Get Free Samples! Come fill out the form ! ! !

Call us: +86 0755-82563503

English

Currency: $ US Dollar

STM32F103C8T6
MFI343S00177
STM32F407VET6
ATMEGA328P-PU

Categories
- Integrated Circuits (ICs)
  - Integrated Circuits (ICs)
  - AC to DC Converter ICs
  - Active Filters
  - ADC
  - AFE
  - Analog Multipliers & Dividers
  - Analog Switches & Multiplexers ICs
  - Application Specific Microcontrollers
  - Application Specific Timer
  - Audio Amplifiers
  - Audio Special Purpose
  - Battery Chargers ICs
  - Battery Management ICs
  - Buffers & Transceivers
  - Capacitive Sensors
  - Clock Buffers & Drivers
  - Clock Generators
  - CODECs Interface ICs
  - Comparators
  - Configuration Proms for FPGAs
  - Controllers Interface ICs
  - Converting Interface ICs
  - Counters & Dividers
  - CPLDs
  - Current Regulator IC
  - DAC
  - DC DC Voltage Regulators
  - DC to DC converter
  - DDS
  - Delay Lines Timing ICs
  - Digital Potentiometers
  - Display Drivers ICs
  - Drivers Interface ICs
  - DSP
  - Embedded ICs Modules
  - Energy Metering ICs
  - FIFOs Memory
  - Flip Flops
  - FPGAs
  - FPGAs with Microcontrollers
  - Full & Half-Bridge Drivers ICs
  - Gate Drivers ICs
  - Gates & Inverters
  - Hot Swap Controllers
  - I/O Expanders
  - IC Batteries
  - Ideal Diode controller
  - Instrumentational OP Amps
  - Interface ICs Modules
  - Laser Driver ICs
  - Latches
  - LED Driver ICs
  - Lighting Controllers
  - Linear Comparators
  - Linear Regulator Controllers
  - Linear Voltage Regulators
  - Memory
  - Memory Batteries
  - Memory Controllers
  - Microcontrollers
  - Microprocessors
  - Modems ICs & Modules
  - Motor Drivers
  - Multi-Functional Gates & Inverters
  - Multivibrators
  - Multivibrators
  - PFC PMICs
  - PLDs
  - PoE Controllers
  - Power Supply Control ICs
  - Power Switches ICs
  - Programmable Timers & Oscillators
  - RMS to DC Converters
  - RTCs
  - Sensor & Detector Interface ICs
  - Serializers & Deserializers
  - Shift Registers
  - Signal Buffers
  - Signal Switches & Multiplexers
  - Signal Terminators
  - SoC
  - Special Purpose ADCs/DACs
  - Special Purpose Amplifiers
  - Special Purpose Analog Switches
  - Specialized ICs
  - Specialized Interface ICs
  - Specialized Power Management ICs
  - Specialized Voltage Regulators
  - Specialty Logic ICs
  - Switching Voltage Regulators
  - Telecom Interface ICs
  - Thermal Management
  - Touch Screen Controllers
  - UARTs
  - Universal Bus Functions
  - V/F & F/V Converters
  - Video Amps & Modules
  - Video Processing Linear ICs
  - Voice Record and Playback
  - Voltage Reference
  - Voltage Supervisors
  - Voltage Translators & Level Shifters
  - Integrated circuits, often referred to as ICs or microchips, are miniature electronic circuits that contain thousands to billions of transistors, resistors, capacitors, and other electronic components on a small semiconductor material. ICs are the building blocks of modern electronics and are used in a vast array of devices and systems, ranging from smartphones and computers to automotive electronics and medical devices. They provide compactness, high functionality, and improved performance by integrating multiple electronic functions onto a single chip.
- Connectors
  - Connectors
  - ARINC Connectors
  - Backplane Connector Contacts
  - Backplane Connectors Accessories
  - Backplane Connectors Housings
  - Backshells and Cable Clamps
  - Banana Tip Adapters
  - Banana Tip Binding Posts
  - Banana Tip Connectors Accessories
  - Banana Tip Jacks
  - Barrel Accessories
  - Barrel Adapters
  - Barrel Audio Connectors
  - Barrel Connectors
  - Barrel Power Connectors
  - Barrier Terminal Blocks
  - Between Series Adapters
  - Blade Type Power Connectors
  - Blade Type Power Connectors
  - Blade Type Power Connectors Accessories
  - Blade Type Power Connectors Housings
  - Board In Connectors
  - Board to Board Connectors
  - Card Edge Adapters
  - Card Edge Connectors Accessories
  - Card Edge Connectors Housings
  - Card Edge Contacts
  - Centronics Connectors
  - Circular Adapters
  - Circular Connectors
  - Circular Connectors Accessories
  - Circular Connectors Housings
  - Circular Contacts
  - Coaxial Connectors
  - Coaxial Connectors Accessories
  - D-Sub Adapters
  - D-Sub Connector Housings
  - D-Sub Connector Terminators
  - D-Sub Connectors
  - D-Sub Connectors Accessories
  - D-Sub Contacts
  - D-Sub Hoods
  - D-Sub Jackscrews
  - DIN 41612 Connectors
  - Din Rail Terminal Blocks
  - Edgeboard Connectors
  - Faceplates & Frames
  - Fiber Optic Adapters
  - Fiber Optic Connectors
  - Fiber Optic Connectors Accessories
  - Fiber Optic Connectors Housings
  - Flat Flexible Connector Housings
  - Flat Flexible Connectors
  - Flat Flexible Connectors Accessories
  - Flat Flexible Contacts
  - Foil Connectors
  - Hard Metric Connector
  - Headers & Male Pins
  - Heavy Duty Connectors Accessories
  - Heavy Duty Connectors Assemblies
  - Heavy Duty Connectors Frames
  - Heavy Duty Connectors Housings
  - Heavy Duty Connectors Modules
  - Heavy Duty Contacts
  - IC Adapters
  - IC and Component Sockets
  - IC Sockets Accessories
  - Inline Memory Module Sockets
  - Interface Modules Terminal Blocks
  - Keystone Accessories
  - Keystone Inserts
  - Knife Connectors
  - Leadframe Contacts
  - LGH Connectors
  - Magnetic Wire Terminals
  - Magnetics Modular Jacks
  - Memory Card Adapters
  - Memory Card Sockets
  - Memory Connectors Accessories
  - Modular Adapters
  - Modular Connectors Accessories
  - Modular Jacks
  - Modular Plug Housings
  - Modular Plugs
  - Multi Purpose Contacts
  - Panel Mount Connectors
  - Panel Mount Terminal Blocks
  - PC Pin Terminals
  - Photovoltaic Connectors
  - Photovoltaic Connectors Accessories
  - Photovoltaic Contacts
  - Pluggable Connectors
  - Pluggable Connectors Accessories
  - Pluggable Terminal Blocks
  - Power Distribution Terminal Blocks
  - Power Entry Connectors Accessories
  - Power Entry Connectors Modules
  - Quick-Connect & Quick-Disconnect Connectors
  - Rectangular Connectors
  - Rectangular Connectors Accessories
  - Rectangular Connectors Adapters
  - Rectangular Connectors Arrays
  - Rectangular Connectors Headers
  - Rectangular Connectors Housings
  - Rectangular Contact Inserts
  - Rectangular Terminals
  - RF Adapters
  - RF Contacts
  - RF Terminators
  - Ring Terminals
  - Screw Connectors
  - Shunts & Jumpers
  - Socket Terminals
  - Solder Lug Connectors
  - Spade Connectors
  - Specialized Backplane Connectors
  - Specialized Connectors
  - Specialized Terminal Blocks
  - Spring Loaded Contacts
  - Spring Loaded Rectangular Connectors
  - SSL Connectors
  - SSL Connectors Accessories
  - SSL Contacts
  - Terminal Block Adapters
  - Terminal Blocks - Contacts
  - Terminal Blocks Accessories
  - Terminal Jumpers
  - Terminal Junction Systems
  - Terminal Marker Strips
  - Terminal Strips and Turret Boards
  - Terminal Wire Ferrules
  - Terminals Accessories
  - Terminals Adapters
  - Terminals Housings
  - Transistor Sockets
  - Turret Connectors
  - Video Adapters
  - Video Connector Accessories
  - Video Connectors
  - Wire Pin Connectors
  - Wire Splice Connectors
  - Wire-to-Board Connectors
  - Wire-to-Board Terminal Blocks
  - Wiring Blocks Accessories
  - Wiring Modular Connectors
  - Connectors are devices used to establish electrical or mechanical connections between two or more components or systems. They provide a means for joining cables, wires, or other conductive elements, enabling the transmission of electrical signals, power, or data. Connectors come in a wide range of forms, including electrical connectors, coaxial connectors, modular connectors, and fiber optic connectors. They play a critical role in industries such as telecommunications, automotive, aerospace, and consumer electronics, facilitating reliable and secure connections.
- Discrete Semiconductors
  - Discrete Semiconductors
  - Arrays BJT Transistors
  - BJT Transistors Arrays
  - Bridge Rectifiers
  - DIACs and SIDACs
  - IGBTs Modules
  - IGBTs Transistors Arrays
  - JFETs Transistors
  - MOSFETs Transistors Arrays
  - Power Driver Modules
  - Pre-Biased BJT Transistors
  - Programmable Unijunction Transistors
  - Rectifier Diode Array
  - RF BJT Transistors
  - RF Diodes
  - RF MOSFETs Transistors
  - SCRs Thyristors
  - Single BJT Transistors
  - Single IGBTs
  - Single IGBTs
  - Single MOSFETs Transistors
  - Single-Phase Diode Rectifier
  - Specialized Transistors
  - Thyristors Modules
  - TRIACs Thyristors
  - Varactors
  - Zener Diode Arrays
  - Zener Single Diodes
  - Discrete Semiconductor refer to electronic components that are individual and separate from each other, as opposed to integrated circuits that contain multiple components on a single chip. These discrete components include diodes, transistors, thyristors, and other similar devices that perform specific functions in electronic circuits. They are commonly used in power supplies, amplifiers, and other electronic devices where precise control and regulation of electrical signals is required. Discrete Semiconductor Products are available in a variety of sizes, shapes, and specifications to meet the needs of different applications. They are widely used in the electronics industry and are essential components in many electronic devices.
- Capacitors
  - Capacitors
  - Aluminum Electrolytic Capacitors
  - Aluminum Polymer Capacitors
  - Capacitor Accessories
  - Capacitor Networks
  - Ceramic Capacitors
  - Ceramic Capacitors
  - Film Capacitors
  - Mica & PTFE Capacitors
  - Niobium Oxide Capacitors
  - Silicon Capacitors
  - Supercapacitors & EDLC
  - Tantalum Capacitors
  - Tantalum Polymer Capacitors
  - Thin Film Capacitors
  - Trimmers Variable
  - Capacitors are electronic components that store and release electrical energy. They consist of two conductive plates separated by an insulating material known as a dielectric. Capacitors are widely used in electronic circuits for various purposes, including energy storage, filtering, decoupling, timing, and coupling signals. They are available in different types, such as electrolytic capacitors, ceramic capacitors, and tantalum capacitors, each with unique characteristics suitable for different applications.
- Sensors
  - Sensors
  - CdS Cells
  - Accelerometers
  - Accessories
  - Amplifiers
  - Analog & Digital Sensor
  - Analog & Digital Sensors
  - Analog Optical Sensors
  - Angle & Linear Position Measuring Sensors
  - Camera Modules
  - Color Sensors
  - Current Sensors
  - Distance Measuring Sensors
  - Dust Sensors
  - Encoders
  - Float & Level Sensors
  - Flow Sensors
  - Force Sensors
  - Gas Sensors
  - Gyroscopes
  - Humidity Sensors
  - Image Sensors
  - IMUs
  - Inclinometers
  - IrDA Transceiver Modules
  - Junction Blocks
  - Logic Optical Sensors
  - Logic Photo Detectors
  - Logic Photointerrupters
  - LVDT Transducers
  - Magnetic Compass Sensors Modules
  - Magnetic Linear Sensors ICs
  - Magnetic Position Sensors Modules
  - Magnetic Switches
  - Mechanical Temperature Sensors
  - Multi Purpose Magnets
  - Multifunction
  - NTC Thermistors
  - Occupancy Sensors
  - Optical Motion Sensors
  - Optical Sensors Remote Receiver
  - Photodiodes
  - Photoelectric Sensors
  - Phototransistors
  - Proximity Sensors
  - PTC Thermistors
  - RTD
  - Sensor Cable Accessories
  - Sensor Cable Assemblies
  - Sensor Matched Magnets
  - Shock Sensors
  - Solar Cells
  - Solid State Thermostats
  - Specialized Sensors
  - Strain Gauges
  - Thermocouple Temperature Sensors
  - Tilt Switch Sensors
  - Touch Sensors
  - Transducers
  - Transistor Optical Sensors
  - Ultrasonic Receivers
  - UV Sensors
  - Vibration Sensors
  - Sensors are devices that detect and measure physical or environmental parameters and convert them into electrical signals. They enable the acquisition of real-world data for monitoring, control, and feedback purposes. Sensors can detect variables such as temperature, pressure, light, motion, proximity, and many others. They find application in diverse fields, including automotive systems, consumer electronics, industrial automation, healthcare, and environmental monitoring.
- Resistors
  - Resistors
  - Chassis Mount Resistors
  - Chip SMD Resistors
  - Chip SMD Resistors
  - Resistor Accessories
  - Resistor Arrays
  - Specialized Resistors
  - Through Hole Resistors
  - Resistors are passive electronic components designed to impede the flow of electric current in a circuit. They are used to control current levels, divide voltage, and limit power dissipation. Resistors are available in various types, including fixed resistors, variable resistors (potentiometers), and specialized resistors for specific applications such as high power or precision requirements. They are fundamental components in electronic circuits, playing roles in voltage regulation, signal conditioning, and impedance matching.
- Isolators
  - Isolators
  - Digital Isolators
  - Isolated Gate Drivers
  - Logic Optoisolators
  - Photovoltaic Optoisolators
  - Specialized Isolators
  - Triac Optoisolators
  - Isolators, also known as isolation devices or isolating components, are electronic components designed to electrically separate or isolate different parts of a circuit or system. They provide protection by preventing unwanted electrical currents, noise, or interference from affecting sensitive components or systems. Isolators are commonly used in applications where electrical isolation is crucial, such as power supplies, communication systems, motor control, and industrial automation. They ensure reliable operation, safety, and protection from electrical disturbances or faults.
- Board Mount Power Supplies
  - Board Mount Power Supplies
  - Board Mount AC DC Converters
  - Board Mount Accessories
  - Board Mount DC DC Converters
  - Off-board LED Drivers
  - Box and enclosure products refer to electronic components that are designed to protect and house electronic devices. These products come in a variety of shapes and sizes, and are typically made from materials such as plastic, metal, or fiberglass. Box and enclosure products are essential for protecting electronic components from environmental factors such as dust, moisture, and temperature fluctuations. They also provide a secure and organized way to store and transport electronic devices. Box and enclosure products are commonly used in industries such as telecommunications, aerospace, and automotive, as well as in consumer electronics.
- RF/IF & RFID
  - RF/IF & RFID
  - Attenuators
  - Balun
  - RF Accessories
  - RF Amplifiers
  - RF Antennas
  - RF Boards
  - RF Demodulators
  - RF Detectors
  - RF Directional Coupler
  - RF Front End
  - RF Misc ICs and Modules
  - RF Mixers
  - RF Modulators
  - RF Multiplexers
  - RF Power Controller ICs
  - RF Power Dividers
  - RF Receivers
  - RF Shields
  - RF Switches
  - RF Transceiver ICs
  - RF Transceiver Modules
  - RF Transmitter
  - RF Transmitters
  - RFI & EMI Contacts
  - RFI & EMI Materials
  - RFID Accessories
  - RFID Antennas
  - RFID Boards
  - RFID ICs
  - RFID Reader Modules
  - RFID Tags
  - RF power dividers/splitters are electronic components that are used to divide or split an incoming RF signal into multiple output signals. These components are commonly used in communication systems, such as radio and television broadcasting, as well as in radar and satellite communication systems. RF power dividers/splitters are designed to maintain signal integrity and minimize signal loss, ensuring that each output signal is of equal strength and quality. They come in various configurations, including 2-way, 3-way, 4-way, and 8-way, and can be used in both indoor and outdoor applications. RF power dividers/splitters are essential components in any RF system that requires signal distribution.
- Circuit Protection
  - Circuit Protection
  - Circuit Breakers
  - Circuit Protection Accessories
  - Electrical Fuses
  - Fuseholders
  - Fuses
  - GDT
  - GFCI
  - ICL
  - Lighting Protection
  - PTC Resettable Fuses
  - Surge Suppression ICs
  - Thermal Fuses
  - TVS Diodes
  - TVS Mixed Technology
  - TVS SPDs
  - TVS Thyristors
  - TVS Varistors
  - Circuit protection is a crucial aspect of electronic components classification. It refers to the measures taken to prevent damage to electronic circuits due to overvoltage, overcurrent, or short circuits. Circuit protection devices such as fuses, circuit breakers, surge protectors, and voltage regulators are used to safeguard electronic components from damage caused by power surges, lightning strikes, and other electrical disturbances. These devices are designed to interrupt the flow of current when the voltage or current exceeds a safe level, thereby protecting the circuit and preventing damage to the electronic components. Circuit protection is essential for ensuring the reliability and longevity of electronic devices and systems.
- Crystals
  - Crystals
  - Crystals
  - Crystals Accessories
  - Oscillators
  - Pin Configurable Oscillators
  - Programmable Oscillators
  - Resonators
  - Stand Alone Programmers
  - Voltage Controlled Oscillators
  - Crystals, in the context of electronics, refer to quartz crystals or other similar crystalline structures used as precise timing references or frequency-determining elements. These crystals exhibit a phenomenon called piezoelectricity, which allows them to generate a stable and accurate electrical signal when subjected to mechanical stress or voltage. Crystals are extensively used in oscillators
- Inductors
  - Inductors
  - Adjustable Inductors
  - Delay Lines
  - Fixed Inductors
  - Signal Transformers
  - Wireless Charging Coils
  - Inductors are passive electronic components that store electrical energy in the form of a magnetic field. They are typically made of a coil of wire wound around a core material and are used in various electrical circuits and systems. Inductors resist changes in current flow and are commonly employed in filtering, energy storage, impedance matching, and signal conditioning applications. They play a vital role in applications such as power supplies, radio frequency (RF) circuits, motor control, and electromagnetic compatibility (EMC) solutions.
- Filters
  - Filters
  - Cable Ferrites
  - Ceramic Filters
  - Common Mode Chokes
  - DSL Filters
  - EMI/RFI Filters
  - Feed Through Capacitors
  - Ferrite Beads and Chips
  - Ferrite Disks and Plates
  - Filters Accessories
  - Helical Filters
  - Monolithic Crystals
  - Power Line Filter Modules
  - RF Filters
  - SAW Filters
  - Filters are electronic components designed to selectively allow or block certain frequencies or ranges of frequencies in a signal or waveform. They are used to remove unwanted noise, interference, or specific frequency components, and to shape or modify the frequency response of a circuit or system. Filters can be classified into different types, such as low-pass, high-pass, band-pass, and band-stop filters, each serving specific purposes in applications ranging from audio and communication systems to power electronics and signal processing.
- View All

Items : %s%s

Potentiometers

Potentiometers are electronic components that are used to control the flow of electric current in a circuit. They are variable resistors that allow the user to adjust the resistance of the circuit by turning a knob or sliding a lever. Potentiometers are commonly used in audio equipment, such as volume controls and tone controls, as well as in industrial and scientific applications where precise control of electrical signals is required. They come in a variety of sizes and shapes, and can be mounted on circuit boards or used as standalone components. Potentiometers are an essential part of many electronic devices and are widely used in the electronics industry.

Name	Manufacturer	Quantity	Datasheet	Factory Lead Time	Mount	Packaging	Published	Series	Pbfree Code	Part Status	Moisture Sensitivity Level (MSL)	Number of Terminations	Termination	ECCN Code	Max Operating Temperature	Min Operating Temperature	Color	Depth	Diameter	Length	RoHS Status	Lead Free	Contact Plating	Voltage - Rated	Radiation Hardening	REACH SVHC	Reach Compliance Code	Height	Width	Thickness	Resistance	Mfr	Mounting Type	Weight	Size / Dimension	Voltage - Rated DC	Technology	HTS Code	Packing Method	Power Rating	Type	Lead Length	JESD-609 Code	Terminal Finish	Base Part Number	Operating Temperature (Max)	Operating Temperature (Min)	Subcategory	Max Power Dissipation	Terminal Shape	Reference Standard	Termination Style	Composition	Tolerance	Construction	Temperature Coefficient	Resistor Type	Rated Power Dissipation (P)	Working Voltage	Size Code	Rated Temperature	Military Standard	Number of Gangs	Lead Diameter	Actuator Type	Number of Turns	Actuator Orientation	Ganging Number	Power (Watts)	Built in Switch	Resistive Material	Taper	Rotation Angle	Actuator Length	Bushing Thread	Actuator Diameter	Adjustment Type	Rotation	Size - Body	Travel Range	Fader Type	Features	Resistance (Ohms)
3362R-1-472LF	Bourns Inc.	RFQ Min: 1 Mult: 1	download	11 Weeks	Through Hole	Tube	2007	Trimpot® 3362 - Sealed		Active	1 (Unlimited)		Pin		125°C	-55°C		6.99mm		6.6mm	ROHS3 Compliant		Tin					4.699mm			4.7kOhms		Through Hole	566.990462mg	Rectangular - 0.275 x 0.260 Face x 0.185 H 6.99mmx6.60mmx4.70mm					500mW					3362R				500mW			PC Pins	Cermet	±10%		±100ppm/°C						Not				1			0.5W 1/2W		Cermet						Top Adjustment
3296X-1-503ALF	Bourns Inc.	RFQ Min: 1 Mult: 1		8 Weeks	PCB, Through Hole	Tape & Box (TB)	2005	Trimpot® 3296 - Sealed		Active	Not Applicable	3	Pin	EAR99	125°C	-55°C		4.83mm			ROHS3 Compliant				No			10.033mm			50kOhm		Through Hole	850.485694mg	Rectangular - 0.395 x 0.190 Face x 0.395 H 10.03mmx4.83mmx10.03mm			8533.40.80.50	AMMO PACK	500mW		6.4mm	e3	Matte Tin (Sn)	3296X				500mW	WIRE		PC Pins		±10%	Multi-Turn	±100ppm/°C	TRIMMER	0.5W	300V		70°C	Not		0.51 mm	SCREW	25	HORIZONTAL	1	0.5W 1/2W		Cermet	Linear					Side Adjustment
3224W-2-204E	Bourns Inc.	RFQ Min: 1 Mult: 1		9 Weeks	Surface Mount	Tape & Reel (TR)	2007	Trimpot® 3224 - Sealed	yes	Active	1 (Unlimited)	3	SMD/SMT		150°C	-65°C		3.9mm			ROHS3 Compliant				No			5.2832mm			200kOhm		Surface Mount		Rectangular - 0.189 x 0.138 Face x 0.209 H 4.80mmx3.50mmx5.30mm				TR, EMBOSSED, 7 INCH	250mW			e3	Matte Tin (Sn)	3224W				250mW	HOOK		J Lead	Cermet, Potentiometer	±10%	Trimmer Pot	±100ppm/°C	TRIMMER	0.25W		1914	85°C	Not			SCREW	12	VERTICAL		0.25W 1/4W		Cermet		4320 deg				Top Adjustment
3386P-DF6-205LF	Bourns Inc.	RFQ Min: 1 Mult: 1	download	7 Weeks	Through Hole	Tube	2012	Trimpot® 3386 - Sealed		Active	1 (Unlimited)		PC Pin		125°C	-55°C				9.525mm	ROHS3 Compliant			300V				4.826mm	9.525mm		2MOhms		Through Hole	850.485694mg	Square - 0.375 x 0.375 Face x 0.190 H 9.53mmx9.53mmx4.83mm					500mW					3386P				500mW			PC Pins	Cermet	±10%		±100ppm/°C										1			0.5W 1/2W		Cermet						Top Adjustment
PCW1J-R24-CAB103L	Bourns Inc.	RFQ Min: 1 Mult: 1	download	7 Weeks	Panel	Tray	2009	PC-Slimline	yes	Active	1 (Unlimited)		Solder		125°C	-1°C		22.22mm	6mm	31.42mm	ROHS3 Compliant										10kOhm		Panel Mount	20.999994g						750mW	Potentiometer		e3	Matte Tin (Sn)	PCW1J			Variable Resistors	750mW			Solder Lug	Conductive Plastic	±20%		±1000ppm/°C		0.75W		8729		Not			Slotted	1			0.75W 3/4W	None	Conductive Plastic	Linear		0.945 24.00mm	M9 x 0.75	0.236 (6.00mm)	User Defined	300°	Square - 0.874 x 0.874 Face x 0.874 H 22.20mmx22.20mmx22.20mm
3352E-1-254LF	Bourns Inc.	RFQ Min: 1 Mult: 1	download	8 Weeks	Through Hole	Bulk	2005	Trimpot® 3352 - Open Frame	yes	Active	1 (Unlimited)	3	PC Pins	EAR99	125°C	-55°C	Black		8.89mm		ROHS3 Compliant	Lead Free	Tin					3.81mm			250kOhm		Through Hole	283.495231mg	Round - 0.350Dia x 0.210 H 8.89mmx5.33mm			8533.40.80.50		500mW		4.75mm	e3		3352E			Variable Resistors	500mW	WIRE			Cermet	±20%	Trimmer Pot	100 ppm/°C	TRIMMER	0.5W			85°C				SCREW	1	VERTICAL		0.5W 1/2W				250 deg				Top Adjustment
3548H-1AA-102A	Bourns Inc.	RFQ Min: 1 Mult: 1	download	8 Weeks	Panel	Tray	2008	Hybritron® 3548	yes	Active	1 (Unlimited)	3	Solder		125°C	-55°C			22.479mm	40.43mm	Non-RoHS Compliant		Gold				not_compliant				1kOhm		Panel Mount	19g			HYBRID			1.5W	Potentiometer		e4		3548H			Variable Resistors	1.5W	LUG		Solder Lug	Hybritron	±10%		±100ppm/°C					70°C		1		Slotted	5	HORIZONTAL	1		None	Hybritron®	Linear		0.813 20.64mm	3/8-32	0.250 (6.35mm)	User Defined	1800°	Round - 0.885Dia x 0.780 H 22.48mmx19.81mm
RJ24FL102	Bourns Inc.	RFQ Min: 1 Mult: 1	download	9 Weeks	Through Hole	Tube	2012	Trimpot® RJ24/RJR24-Sealed	no	Active	1 (Unlimited)	3		EAR99	150°C	-55°C					Non-RoHS Compliant						not_compliant				1kOhm		Chassis Mount		Rectangular - 0.375 x 0.150 Face x 0.375 H 9.53mmx3.81mmx9.53mm			8533.40.80.50					e0	Tin/Lead (Sn/Pb)	RJ24FL			Variable Resistors		FLEXIBLE WIRE	MIL-PRF-22097	Wire Leads		±10%	Trimmer Pot	±100ppm/°C	TRIMMER	0.5W		3815	85°C				SCREW	25	HORIZONTAL		0.5W 1/2W		Cermet		9000 deg				Side Adjustment
3329P-1-204LF	Bourns Inc.	RFQ Min: 1 Mult: 1		6 Weeks	Through Hole	Tube	2005	Trimpot® 3329 - Sealed	yes	Active	1 (Unlimited)	3	Pin	EAR99	150°C	-55°C	White		6.35mm		ROHS3 Compliant	Lead Free	Tin	300V				5.8166mm			200kOhm		Through Hole	566.990462mg	Round - 0.250Dia x 0.229 H 6.35mmx5.82mm			8533.40.80.50		500mW		6.78mm	e3		3329P			POTENTIOMETER	500mW	WIRE		PC Pins		±10%	Trimmer Pot	±100ppm/°C	TRIMMER	0.5W			85°C	Not			SCREW	1	VERTICAL		0.5W 1/2W		Cermet	Linear	260 deg				Top Adjustment
3386F-1-105T	Bourns Inc.	RFQ Min: 1 Mult: 1	download	9 Weeks	Through Hole	Tube	2007	Trimpot® 3386 - Sealed		Active	1 (Unlimited)		Pin		125°C	-55°C	Blue	9.53mm			Non-RoHS Compliant			300V				4.826mm			1MOhm		Through Hole	850.485694mg	Square - 0.375 x 0.375 Face x 0.190 H 9.53mmx9.53mmx4.83mm					500mW		5.97mm	e0	Tin/Lead (Sn/Pb)	3386F			POTENTIOMETER	500mW			PC Pins		±10%	Trimmer Pot	±100ppm/°C	TRIMMER	0.5W		3838		Not				1			0.5W 1/2W		Cermet		280 deg				Top Finger Adjustment
RJR26FA103M	Bourns Inc.	RFQ Min: 1 Mult: 1		11 Weeks	Through Hole	Tube		Trimpot® RJ26/RJR26-Sealed		Active	1 (Unlimited)										Non-RoHS Compliant						not_compliant				10kOhm		Through Hole		Rectangular - 0.250 x 0.170 Face x 0.270 H 6.35mmx4.31mmx6.85mm										RJR26							PC Pins		±10%		±100ppm/°C										12			0.25W 1/4W		Cermet						Top Adjustment
3252W-1-502MLF	Bourns Inc.	RFQ Min: 1 Mult: 1		12 Weeks	Panel, Through Hole	Tube	2005	Trimpot® 3252 - Sealed		Active	1 (Unlimited)	3	Pin	EAR99	150°C	-65°C					ROHS3 Compliant		Tin				not_compliant	12.7mm			5kOhm		Panel Mount, Through Hole	1.842719g	Rectangular - 0.500 x 0.220 Face x 0.500 H 12.70mmx5.59mmx12.70mm			8533.40.80.50		750mW		13.34mm	e3		3252W				750mW	WIRE		PC Pins		±10%		±100ppm/°C	TRIMMER	0.75W	400V		85°C			0.71 mm	SCREW	25	VERTICAL	1	0.75W 3/4W		Cermet		9000 deg				Top Adjustment
3296W-1-332LF	Bourns Inc.	RFQ Min: 1 Mult: 1		7 Weeks	PCB, Through Hole	Tube	2007	Trimpot® 3296 - Sealed		Active	Not Applicable		Pin		125°C	-55°C		4.83mm		9.53mm	ROHS3 Compliant		Tin			No SVHC		10.033mm	4.826mm		3.3kOhms		Through Hole	850.485694mg	Rectangular - 0.375 x 0.190 Face x 0.395 H 9.53mmx4.83mmx10.03mm					500mW					3296W				500mW			PC Pins	Cermet	±10%		±100ppm/°C						Not				25			0.5W 1/2W		Cermet	Linear					Top Adjustment
3059L-1-254	Bourns Inc.	RFQ Min: 1 Mult: 1		8 Weeks	Chassis Mount	Bulk	2010	Trimpot® 3059 - Sealed	no	Active	1 (Unlimited)	3	Wire Leads	EAR99							Non-RoHS Compliant		Lead, Tin				not_compliant				250kOhm		Chassis Mount		Rectangular - 0.315 x 0.190 Facex1.250L 8.00mmx4.83mmx31.75mm			8533.40.80.50				152.4mm	e0	Tin/Lead (Sn60Pb40)	3059L	150°C	-55°C		1W	FLEXIBLE WIRE		Wire Leads		±10%		±100ppm/°C	TRIMMER	1W	400V		70°C				SCREW	22	HORIZONTAL	1			Cermet		7920 deg				Side Adjustment
3224G-2-104E	Bourns Inc.	RFQ Min: 1 Mult: 1	download	11 Weeks	Surface Mount	Tape & Reel (TR)	2011	Trimpot® 3224 - Sealed		Active	1 (Unlimited)	3	Gull Wing		150°C	-65°C					ROHS3 Compliant						not_compliant	3.9116mm			100kOhm		Surface Mount		Rectangular - 0.181 x 0.138 Face x 0.154 H 4.60mmx3.50mmx3.90mm				TR, EMBOSSED, 7 INCH	250mW			e3	Matte Tin (Sn)	3224G				250mW			Gull Wing	Cermet, Potentiometer	±10%	Trimmer Pot	±100ppm/°C	TRIMMER	0.25W		1918	85°C				SCREW	12	HORIZONTAL		0.25W 1/4W		Cermet		4320 deg				Side Adjustment
3299P-1-500LF	Bourns Inc.	RFQ Min: 1 Mult: 1		9 Weeks	PCB, Through Hole	Tube	2007	Trimpot® 3299 - Sealed	yes	Active	1 (Unlimited)	3	Pin		125°C	-55°C	Blue	11.55mm			ROHS3 Compliant	Lead Free	Tin	300V		No SVHC		6.096mm			50Ohm		Through Hole	992.233309mg	Rectangular - 0.240 x 0.375 Face x 0.240 H 6.10mmx9.53mmx6.10mm					500mW		6.22mm	e3		3299P			Variable Resistors	500mW	WIRE		PC Pins		±10%	Trimmer Pot	±100ppm/°C	TRIMMER	0.5W		3824	70°C	Not		0.51 mm	SCREW	25	HORIZONTAL		0.5W 1/2W		Cermet	Linear	9000 deg				Side Adjustment
3386W-1-104ALF	Bourns Inc.	RFQ Min: 1 Mult: 1		7 Weeks	Through Hole	Tape & Box (TB)	2007	Trimpot® 3386 - Sealed		Active	1 (Unlimited)		Pin	EAR99	125°C	-55°C					ROHS3 Compliant		Tin	300V				9.525mm			100kOhm		Through Hole	850.485694mg	Square - 0.375 x 0.375 Face x 0.375 H 9.53mmx9.53mmx9.53mm			8533.40.80.50	Ammo Pack	500mW		5.97mm	e3		3386W			POTENTIOMETER	500mW			PC Pins		±10%	Trimmer Pot	±100ppm/°C	TRIMMER	0.5W								1			0.5W 1/2W		Cermet		280 deg				Side Adjustment
3352T-1-105	Bourns Inc.	RFQ Min: 1 Mult: 1	download	8 Weeks	Through Hole	Bulk	2005	Trimpot® 3352 - Open Frame	no	Active	1 (Unlimited)	3	PC Pins	EAR99	125°C	-55°C	Black	9.53mm	8.89mm		Non-RoHS Compliant	Contains Lead	Lead, Tin					3.81mm		5.59mm	1MOhm		Through Hole	283.495231mg	Round - 0.350Dia x 0.150 H 8.89mmx3.81mm			8533.40.80.50		500mW		4.75mm	e0		3352T			Variable Resistors	500mW	WIRE			Cermet	±20%	Trimmer Pot	100 ppm/°C	TRIMMER	0.5W			85°C	Not			SCREW	1	VERTICAL		0.5W 1/2W				250 deg				Top Adjustment
PTF45-083T-103B1	Bourns Inc.	RFQ Min: 1 Mult: 1	download	20 Weeks	Through Hole	Tray	2010	Pro Audio PTF	yes	Active	1 (Unlimited)			EAR99							ROHS3 Compliant						not_compliant	10.9982mm			10kOhm		Through Hole		Rectangular - 2.874Lx0.787W x 0.433 H 73.00mmx20.00mmx11.00mm		CARBON	8533.40.80.70					e3	Matte Tin (Sn)	PTF45	55°C	-10°C	Variable Resistors	250mW					±20%	Linear		POTENTIOMETER	0.25W											0.25W 1/4W								Top			45mm	Standard
3386M-1-500	Bourns Inc.	RFQ Min: 1 Mult: 1		8 Weeks	Through Hole	Tube	2007	Trimpot® 3386 - Sealed		Active	1 (Unlimited)		PC Pin		125°C	-55°C					Non-RoHS Compliant			300V			not_compliant	4.826mm			50Ohm		Through Hole	850.485694mg	Square - 0.375 x 0.375 Face x 0.190 H 9.53mmx9.53mmx4.83mm					500mW		5.97mm	e0	Tin/Lead (Sn/Pb)	3386M			POTENTIOMETER	500mW			PC Pins		±10%	Trimmer Pot	±100ppm/°C	TRIMMER	0.5W		3838						1			0.5W 1/2W		Cermet	Linear	280 deg				Top Adjustment
3386U-1-203RLF	Bourns Inc.	RFQ Min: 1 Mult: 1		7 Weeks	Through Hole	Tape & Reel (TR)	2007	Trimpot® 3386 - Sealed		Active	1 (Unlimited)		Pin		125°C	-55°C					ROHS3 Compliant		Tin	300V				4.826mm			20kOhm		Through Hole	850.485694mg	Square - 0.375 x 0.375 Face x 0.190 H 9.53mmx9.53mmx4.83mm				TR	500mW		5.97mm	e3		3386U			POTENTIOMETER	500mW			PC Pins		±10%	Trimmer Pot	±100ppm/°C	TRIMMER	0.5W		3838						1			0.5W 1/2W		Cermet		280 deg				Top Adjustment
RT22C2X203	Bourns Inc.	RFQ Min: 1 Mult: 1	download	7 Weeks	Through Hole	Tube	2007	Trimpot® RT22/RTR22-Sealed	no	Active	1 (Unlimited)	3	Pin	EAR99	150°C	-65°C		5.59mm			ROHS3 Compliant				No						20kOhm		Chassis Mount	1.7g	Rectangular - 0.500 x 0.220 Face x 0.500 H 12.70mmx5.59mmx12.70mm		WIRE WOUND	8533.31.00.00				6.35mm			RT22C2							PC Pins		±5%	Square	±50ppm/°C	TRIMMER	0.75W			85°C	MIL-PRF-27208		0.71 mm	SCREW	25	HORIZONTAL	1	0.75W 3/4W		Wirewound		9000 deg				Side Adjustment
3299W-1-105	Bourns Inc.	RFQ Min: 1 Mult: 1	download	7 Weeks	Panel, Through Hole	Tube	2007	Trimpot® 3299 - Sealed	no	Active	1 (Unlimited)	3	Pin		125°C	-55°C	Blue	6.1mm			Non-RoHS Compliant	Contains Lead			No	No SVHC		9.525mm			1MOhm		Through Hole	992.233309mg	Rectangular - 0.375 x 0.240 Face x 0.395 H 9.53mmx6.10mmx10.03mm	500V				500mW		6.22mm	e0	Tin/Lead (Sn90Pb10)	3299W			Variable Resistors	500mW	WIRE		PC Pins		±10%	Trimmer Pot	±100ppm/°C	TRIMMER	0.5W		3824	70°C	Not		0.51 mm	SCREW	25	VERTICAL		0.5W 1/2W		Cermet	Linear	9000 deg				Top Adjustment
56AAD-B24-B10/R81L	Bourns Inc.	RFQ Min: 1 Mult: 1	download	8 Weeks			2011	56		Active											RoHS Compliant										1kOhm		Panel Mount												56AAD							PC Pins		±20%		±1000ppm/°C							1		Slotted	1			0.5W 1/2W	Rotary, SPDT	Conductive Plastic	Linear		0.750 19.05mm	3/8-32	0.250 (6.35mm)	Side Adjustment	290°
3362U-1-502RLF	Bourns Inc.	RFQ Min: 1 Mult: 1		7 Weeks	Through Hole	Tape & Reel (TR)	2007	Trimpot® 3362 - Sealed	yes	Active	1 (Unlimited)	3	Pin		125°C	-55°C		6.99mm			ROHS3 Compliant		Tin		No			4.699mm			5kOhm		Through Hole	566.990462mg	Rectangular - 0.275 x 0.260 Face x 0.185 H 6.99mmx6.60mmx4.70mm				TR	500mW			e3		3362U			Variable Resistors	500mW	WIRE		PC Pins		±10%	Trimmer Pot	±100ppm/°C	TRIMMER	0.5W		2628	70°C	Not			SCREW	1	VERTICAL		0.5W 1/2W		Cermet	Linear	240 deg				Top Adjustment
3269W-ES2-501	Bourns Inc.	RFQ Min: 1 Mult: 1	download	9 Weeks	Surface Mount	Tube	2012	Trimpot® 3269 - Sealed		Active	2 (1 Year)		Gull Wing							6.35mm	ROHS3 Compliant							7.4422mm	4.318mm		500Ohms		Surface Mount		Rectangular - 0.250 x 0.170 Face x 0.293 H 6.35mmx4.32mmx7.44mm										3269W				250mW			Gull Wing	Cermet	±10%		±100ppm/°C										12			0.25W 1/4W		Cermet						Top Adjustment
3314S-2-503E	Bourns Inc.	RFQ Min: 1 Mult: 1	download	15 Weeks	Surface Mount	Tape & Reel (TR)	2016	Trimpot® 3314 - Sealed	yes	Active	1 (Unlimited)	3	SMD/SMT		125°C	-55°C					ROHS3 Compliant							5.6134mm			50kOhm		Surface Mount		Rectangular - 0.197 x 0.177 Face x 0.221 H 5.01mmx4.50mmx5.61mm				TR, EMBOSSED, 7 INCH	250mW			e3	Matte Tin (Sn)	3314S				250mW	J BEND		J Lead	Cermet, Potentiometer	±20%		±100ppm/°C	TRIMMER	0.25W		2022	70°C				SCREW	1	VERTICAL		0.25W 1/4W		Cermet		240 deg				Side Adjustment
PRS14R-30015-103C3	Bourns Inc.	RFQ Min: 1 Mult: 1						PRS14R																								Bourns Inc.	Through Hole																			PC Pins, Board Locks		±20%		-							1		Flatted	1			0.05W, 1/20W	None	-	Reverse Logarithmic		0.591" (15.00mm)	-	-	Top Adjustment	300°	-			-	10k
3310C-125-103L	Bourns Inc.	RFQ Min: 1 Mult: 1	download	6 Weeks	Through Hole	Tube	2008	Pro Audio 3310		Active	1 (Unlimited)		Pin	EAR99	125°C	-40°C					ROHS3 Compliant		Tin	16V							10kOhm		Through Hole	4.500005g				8533.40.80.70		250mW	Potentiometer	5.97mm	e3		3310C			Variable Resistors	250mW			PC Pins	Conductive Plastic	±20%		±1000ppm/°C		0.25W		3820		Not			Flatted	1			0.25W 1/4W	None	Conductive Plastic	Linear		0.220 5.59mm		0.125 (3.18mm)	Side Adjustment	300°	Square - 0.375 x 0.375 Face x 0.375 H 9.53mmx9.53mmx9.53mm
PTV142B40E120AB203	Bourns Inc.	RFQ Min: 1 Mult: 1	download		Panel, Through Hole	Tray	2004	PTV142B	yes	Obsolete	1 (Unlimited)		Pin	EAR99	50°C	-10°C		13.4mm		14mm	ROHS3 Compliant				No						20kOhm		Panel Mount					8533.40.80.70		50mW	Potentiometer		e3	Matte Tin (Sn)	PTV142				50mW			PC Pins, Board Locks		±20%				0.05W		5565		Not	2		Flatted	1			0.05W 1/20W	None	Carbon	Linear		0.787 20.00mm	M9 x 0.75	0.236 (6.00mm)	Top Adjustment	300°	Rectangular - 0.646 x 0.551 Face x 0.323 H 16.40mmx14.00mmx8.20mm

3362R-1-472LF Bourns Inc.
Trimmer Resistors - Through Hole 1/4SQ 4.7KOHMS 10% 0.5WATTS

Price: 0.0000
RFQ
3296X-1-503ALF Bourns Inc.
Trimmer Resistors - Through Hole 3/8 50Kohms Sealed Horizontal Adjust

Price: 0.0000
RFQ
3224W-2-204E Bourns Inc.
Trimmer Resistors - SMD 4mm 200Kohms 10% Square Cermet Sealed

Price: 0.0000
RFQ
3386P-DF6-205LF Bourns Inc.
TRIMMER 2M OHM 0.5W PC PIN TOP

Price: 0.0000
RFQ
PCW1J-R24-CAB103L Bourns Inc.
Potentiometers 10K 20% Sq 22mm Single Turn

Price: 0.0000
RFQ
3352E-1-254LF Bourns Inc.
THUMBWHEEL POT 250K OHM 0.5W TOP

Price: 0.0000
RFQ
3548H-1AA-102A Bourns Inc.
Res Hybritron POT 1K Ohm 10% 1.5W 5(Elec)/5(Mech)Turn 6.34mm (22.479 X 40.43 X 23.93mm) Solder Lug Panel Mount Plastic Tray

Price: 0.0000
RFQ
RJ24FL102 Bourns Inc.
Res Cermet Trimmer 1K Ohm 10% 1/2W 25(Elec)Turn 2.19mm (9.53 X 3.81 X 10.55mm) Lead Wire Tube

Price: 0.0000
RFQ
3329P-1-204LF Bourns Inc.
TRIMMER 200K OHM 0.5W PC PIN TOP

Price: 0.0000
RFQ
3386F-1-105T Bourns Inc.
TRIMMER 1M OHM 0.5W PC PIN TOP

Price: 0.0000
RFQ
RJR26FA103M Bourns Inc.
RJR26FA103M datasheet pdf and Trimmer Potentiometers product details from Bourns Inc. stock available at Utmel

Price: 0.0000
RFQ
3252W-1-502MLF Bourns Inc.
TRIMMER 5K OHM 0.75W PC PIN TOP

Price: 0.0000
RFQ
3296W-1-332LF Bourns Inc.
TRIMMER 3.3K OHM 0.5W PC PIN TOP

Price: 0.0000
RFQ
3059L-1-254 Bourns Inc.
TRIMMER 250K OHM 1W WIRE LEADS

Price: 0.0000
RFQ
3224G-2-104E Bourns Inc.
Res Cermet Trimmer 100K Ohm 10% 1/4W 12(Elec)Turn 1.5mm (4.8 X 6 X 3.9mm) Gull Wing SMD Embossed T/R

Price: 0.0000
RFQ
3299P-1-500LF Bourns Inc.
TRIMMER 50 OHM 0.5W PC PIN SIDE

Price: 0.0000
RFQ
3386W-1-104ALF Bourns Inc.
TRIMMER 100KOHM 0.5W PC PIN SIDE

Price: 0.0000
RFQ
3352T-1-105 Bourns Inc.
POT 1.0M OHM THUMBWHEEL CERM ST

Price: 0.0000
RFQ
PTF45-083T-103B1 Bourns Inc.
SLIDE POT 10K OHM 0.25W TOP 45MM

Price: 0.0000
RFQ
3386M-1-500 Bourns Inc.
3386M-1-500 datasheet pdf and Trimmer Potentiometers product details from Bourns Inc. stock available at Utmel

Price: 0.0000
RFQ
3386U-1-203RLF Bourns Inc.
TRIMMER 20K OHM 0.5W PC PIN TOP

Price: 0.0000
RFQ
RT22C2X203 Bourns Inc.
Res Wirewound Trimmer 20K Ohm 5% 0.75W(3/4W) 25(Elec)Turn 1.91mm (13.59 X 5.59 X 12.7mm) Pin Thru-Hole Tube

Price: 0.0000
RFQ
3299W-1-105 Bourns Inc.
TRIMMER 1M OHM 0.5W PC PIN TOP

Price: 0.0000
RFQ
56AAD-B24-B10/R81L Bourns Inc.
PANEL CONTROL - 1/2" (12.5MM)

Price: 0.0000
RFQ
3362U-1-502RLF Bourns Inc.
Trimmer Resistors - Through Hole 1/4SQ 5KOHMS 10% 0.5WATTS

Price: 0.0000
RFQ
3269W-ES2-501 Bourns Inc.
TRIMMER 500 OHM 0.25W GW TOP ADJ

Price: 0.0000
RFQ
3314S-2-503E Bourns Inc.
TRIMMER 50KOHM 0.25W J LEAD SIDE

Price: 0.0000
RFQ
PRS14R-30015-103C3 Bourns Inc.
POT 10K OHM 1/20W REVERSE LOG

Price: 0.0000
RFQ
3310C-125-103L Bourns Inc.
POT 10K OHM 1/4W PLASTIC LINEAR

Price: 0.0000
RFQ
PTV142B40E120AB203 Bourns Inc.
Res Carbon Film POT 20K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turn 4.5mm Pin Panel Mount/Bracket Mount

Price: 0.0000
RFQ

Potentiometers

Body Material

Color

Composition

Contact Material

Contact Plating

Core Material

Device Termination Plating Finish

Diameter

ECCN Code

Factory Lead Time

Family

Green

Halogen Free

Height

Hole Diameter

Housing Material

HTS Code

Insulation Material

JESD-609 Code

Lead Free

Length

Lifecycle Status

Manufacturer Package Identifier

Material

Max Operating Temperature

Mfr

Min Operating Temperature

Moisture Sensitivity Level (MSL)

Mount

Mounting Feature

Mounting Hole Diameter

Mounting Type

Number of Pins

Number of Terminals

Number of Terminations

Number of Turns

Outside Diameter

Package / Case

Packaging

Part Status

Pbfree Code

Power (Watts)

Power Rating

Published

REACH SVHC

Resistance

Resistive Material

RoHS Status

Series

Shaft Size

Shape/Size Description

Size / Dimension

Subcategory

Surface Mount

Temperature Coefficient

Terminal Finish

Terminal Shape

Termination

Tolerance

Type

Voltage - Rated

Weight

Width

How can I quickly find answers to my questions?

What is my Order Status?

How do I return product?

How do I find price and availability?

How do I create a 'HK JDW' Account?