
Items : %s%s
Evaluation Boards
Evaluation boards are electronic circuit boards that are designed to help engineers and developers evaluate the performance of a specific electronic component or system. These boards typically include the necessary components and interfaces to connect the component or system being evaluated to a computer or other testing equipment. Evaluation boards are commonly used in the development and testing of new electronic products, as they allow engineers to quickly and easily test the performance of a component or system in a real-world environment. They are also useful for troubleshooting and debugging electronic systems, as they provide a standardized platform for testing and comparison. Overall, evaluation boards are an essential tool for anyone working with electronic components or systems, as they help to ensure that products are designed and tested to the highest standards of performance and reliability.
Connector Type
- BOARD CONNECTOR
- Power
- USB
Contact Material
- Brass
Contact Plating
- Gold
- Gold, Tin
- Lead, Tin
ECCN Code
- 3A991.A.2
- 7A994
- EAR99
Factory Lead Time
- 1 Weeks
- 10 Weeks
- 11 Weeks
- 111 Weeks
- 12 Weeks
- 13 Weeks
- 14 Weeks
- 143 Weeks
- 15 Weeks
- 16 Weeks
- 17 Weeks
- 18 Weeks
- 19 Weeks
- 2 Weeks
- 20 Weeks
- 21 Weeks
- 22 Weeks
- 24 Weeks
- 25 Weeks
- 26 Weeks
- 28 Weeks
- 29 Weeks
- 3 Weeks
- 32 Weeks
- 35 Weeks
- 4 Weeks
- 42 Weeks
- 5 Weeks
- 52 Weeks
- 6 Weeks
- 7 Weeks
- 70 Weeks
- 8 Weeks
- 9 Weeks
- 99 Weeks
Feature
- I2C
fmax-Min
- 0.4 MHz
- 1 MHz
Frequency
- 6GHz
Housing Material
- Thermoplastic
Insulation Material
- GLASS FILLED POLYBUTYLENE TEREPHTHALATE
JESD-609 Code
- e1
- e3
Lifecycle Status
- ACTIVE (Last Updated: 1 day ago)
- ACTIVE (Last Updated: 1 week ago)
- ACTIVE (Last Updated: 2 days ago)
- ACTIVE (Last Updated: 3 days ago)
- ACTIVE (Last Updated: 4 days ago)
- ACTIVE (Last Updated: 5 days ago)
- ACTIVE (Last Updated: 6 days ago)
- CONTACT ADI (Last Updated: 1 week ago)
- IN PRODUCTION (Last Updated: 1 month ago)
- LAST TIME BUY (Last Updated: 1 month ago)
- LAST TIME BUY (Last Updated: 1 week ago)
- LAST TIME BUY (Last Updated: 2 weeks ago)
- OBSOLETE (Last Updated: 1 week ago)
- OBSOLETE (Last Updated: 2 weeks ago)
- OBSOLETE (Last Updated: 4 days ago)
- PRODUCTION (Last Updated: 1 month ago)
- PRODUCTION (Last Updated: 1 week ago)
- PRODUCTION (Last Updated: 2 months ago)
- PRODUCTION (Last Updated: 2 weeks ago)
- PRODUCTION (Last Updated: 3 days ago)
- PRODUCTION (Last Updated: 3 months ago)
- PRODUCTION (Last Updated: 3 weeks ago)
- PRODUCTION (Last Updated: 4 days ago)
- PRODUCTION (Last Updated: 4 months ago)
- PRODUCTION (Last Updated: 4 weeks ago)
- PRODUCTION (Last Updated: 5 days ago)
- PRODUCTION (Last Updated: 6 days ago)
Max Operating Temperature
- 105°C
- 125°C
- 85°C
Mfr
- Amphenol SGX Sensortech
- Arduino
- SparkFun Electronics
- STMicroelectronics
Min Operating Temperature
- -40°C
Moisture Sensitivity Level (MSL)
- 1 (Unlimited)
- 2 (1 Year)
- 3 (168 Hours)
- Not Applicable
- Vendor Undefined
Mount
- Base
- Cable
- External
- Hardware
- Panel
- PCB
- Plug-In
- Reverse
- Screw
- Socket
- Standard
- Surface Mount
- Vertical
- Wire
Mounting Feature
- SURFACE MOUNT
Mounting Style
- STRAIGHT
Number of Pins
- 14
- 16
- 20
- 24
- 28
- 3
- 32
- 48
- 5
- 6
- 78
- 8
Number of Positions
- 24
Number of Terminations
- 18
- 24
Package / Case
- 100
- 24-DIP
- 300
- Axial
- CLCC
- LCC
- Metal
- Module
- MSOP
- SIP
- SMD/SMT
- SOIC
- SOP
- SOT-23
- SOT-323
- TSSOP
Packaging
- Bag
- Box
- Bulk
- Tray
Part Status
- Active
- Discontinued
- Last Time Buy
- Not For New Designs
- Obsolete
Pbfree Code
- no
- yes
Published
- 1997
- 1998
- 2000
- 2001
- 2002
- 2003
- 2004
- 2005
- 2006
- 2007
- 2008
- 2009
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
Resistance
- 50Ohm
Series
- #3
- -
- AMT203
- AMT303
- AttitudeEngine™
- AutoDevKit
- AVR® ATtiny
- AXO®
- B6T Workbench
- Bare Conductive
- BASIC Stamp®
- C-SERIES SIPM
- CaliPile™
- CameraChip™, OmniBSI™, TrueFocus™
- CapSense®
- CapSense® Express™
- CapSense®, QuietZone™
- CapTouch™
- Circuits from the Lab™
- ColdFire®
- dBCool®
- DigiPile™
- DigiPyro®
- DLP® NIRscan™
- Dust Networks®, SmartMesh®
- eCompass
- FHS
- FireFly
- FlightSense?
- FlightSense™
- Flymaple
- Freedom Xtrinsic
- FSR
- g-Select
- GestIC®
- GHS-SME
- Grid-EYE
- GYPRO®
- Himalaya
- HMC
- HMR
- iCoupler®
- iMEMS®
- iMEMS®, iSensor™
- iNEMO
- IQ Switch®, ProxSense®
- iSensor™
- J-SERIES SIPM
- Kinetis
- LaunchPad™
- Lepton®
- LPC17xx
- LPC800
- MagAlpha
- MAXQ®
- maXTouch™
- MEMS
- MEMS, nano
- MityDSP™
- MK04
- MK11/M5
- MK11/M8
- MK21
- MMA
- MPR
- MTi 1
- MTi 10
- MTi 100
- mTouch™
- mTouch™, PICDEM™
- NanEye®
- NanoVesta
- NavChip™
- PICmicro®
- PICtail™
- PICtail™ Plus
- PIC® 32
- PSoC®
- PSOC® CapSense
- PYTHON
- QDA
- QFC
- QFS
- QGS
- QTouch™
- Quantum, QMatrix™
- Quantum, QTouch™
- QuickSense™
- RabbitCore 4000
- RB-SERIES SIPM
- RightTouch™
- RX
- S-Touch™
- Sensors Xplained
- SensorTile
- SensorXplorer™
- Simblee™
- SimpleLink™ SensorTag
- SLG
- SLI
- SLS
- SMAARTWIRE™
- SmartMotion®
- STAR
- STM32
- STM8S
- STM8T
- ToolStick
- TRACKER™
- Triaxis®
- TruTherm®
- Unagi
- VersaPad™
- VersaPoint™
- Vinco, Vinculum-II
- X-AMP®
- XENSIV™
- Xplained Pro
- Xtrinsic
- Zena™
- zForce AIR Touch Sensor
- ZMOTION®
- ZSTAR
- ZSTAR2
- ZSTAR3
- µPOINT®
Shape
- Square
Surface Mount
- YES
Terminal Finish
- Matte Tin (Sn)
- Matte Tin (Sn) - annealed
- Tin/Silver/Copper (Sn/Ag/Cu)
Type
- Integrated Circuit (IC)
USB
- USB 2.0
Weight
- 1.133981g
- 1.360777g
- 1.814369g
- 1.995806g
- 13.607771g
- 14.605674g
- 20.411657g
- 23.586803g
- 45.359237g
- 50.008559mg
- 6.078138g
- 63.502932g
Compare | Image | Name | Manufacturer | Pricing(USD) | Quantity | Weight(Kg) | Size(LxWxH) | Datasheet | Factory Lead Time | Shape | Packaging | Published | Series | Part Status | Moisture Sensitivity Level (MSL) | Max Operating Temperature | Min Operating Temperature | RoHS Status | Lead Free | Radiation Hardening | Interface | REACH SVHC | Number of Functions | Evaluation Kit | Type | Max Input Voltage | Output Type | Operating Temperature (Max) | Operating Temperature (Min) | Configuration | Number of Outputs | Output Current | Voltage - Output | Voltage - Input | Max Output Power | Output Current per Channel | Size | Current - Output | Power - Output | Function | Optoelectronic Device Type | Peak Wavelength | Voltage - Supply | Sensor Type | Topology | Amplifier Type | Regulator Type | Frequency - Switching | Dark Current-Max | Main Purpose | Utilized IC / Part | Contents | Infrared Range | Supplied Contents | Secondary Attributes | Reverse Breakdown Voltage-Min | Primary Attributes | Embedded | Board Type | Max Output Power x Channels @ Load | Outputs and Type | Regulator Topology | Channels per IC |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
NB7L14MMNGEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 2012 | Active | 1 (Unlimited) | ROHS3 Compliant | Yes | Timing | Clock Buffer | NB7L14M | Board(s) | ||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
NOIP1SN5000A-QDI-A-GEVK | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 4 Weeks | Box | 2015 | Python | Active | 1 (Unlimited) | ROHS3 Compliant | Image Sensor | PYTHON | Board(s) | |||||||||||||||||||||||||||||||||||||||||||||||
![]() |
MICROFJ-SMTPA-30020-GEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 3 Weeks | SQUARE | J-SERIES SIPM | Active | 1 (Unlimited) | ROHS3 Compliant | Analog | 1 | 85°C | -40°C | COMPLEX | 3.07mm | AVALANCHE PHOTODIODE | 420 nm | Light, Silicon Photomultiplier (SiPM) | 720nA | MicroFJ-30020 | NO | Board(s) | 24.2V | |||||||||||||||||||||||||||||||||||||
![]() |
ACEICE2EU | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Tube | ACEX® | Obsolete | 1 (Unlimited) | Emulator (In-Circuit/In-System) | Board(s) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
NCP1055GEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Obsolete | 1 (Unlimited) | RoHS Compliant | Yes | AC/DC, Non-Isolated | NCP1055 | Board(s) | Fully Populated | ||||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
AR0136AT3C00XUEAH3-GEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | Active | 1 (Unlimited) | ROHS3 Compliant | Image Sensor | AR0136AT | Board(s) | |||||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
FEBFMT1030 | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Box | Obsolete | 1 (Unlimited) | Serial | Accelerometer, Gyroscope, Magnetometer, 3 Axis | FMT1010T, FMT1020R, FMT1020T, FMT1030R, FMT1030T | Board(s) | |||||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
NOIP1SN1300A-QDI-A-GEVK | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 12 Weeks | Box | 2015 | Python | Active | 1 (Unlimited) | ROHS3 Compliant | Image Sensor | PYTHON | Board(s) | |||||||||||||||||||||||||||||||||||||||||||||||
![]() |
FUSB303GEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 42 Weeks | 2018 | Active | 1 (Unlimited) | Interface | USB Type-C™ | FUSB303 | Board(s) | |||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
FUSB252GEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | Active | 1 (Unlimited) | Interface | USB Type-C™ | FSUSB252 | Board(s) | |||||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
FEBFAN3241-001NDA-GEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | Active | 1 (Unlimited) | ROHS3 Compliant | Power Management | Relay Control | FAN3241 | Board(s) | Thermal Shutdown Circuit | 2-Channel (Dual) | ||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
NBSG11BAEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 2012 | Obsolete | 3 (168 Hours) | Non-RoHS Compliant | Contains Lead | Yes | Timing | Clock Distribution | NBSG11 | Board(s) | No | ||||||||||||||||||||||||||||||||||||||||||||||
![]() |
AR0141CS2C00SUEAH3-GEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | 111 Weeks | 2016 | Active | ROHS3 Compliant | Image Sensor | AR0141CS | Board(s) | |||||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
NCP1249AD65GEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 13 Weeks | 2010 | Active | 1 (Unlimited) | ROHS3 Compliant | Yes | 19V | 85V~265VAC | 65kHz | AC/DC, Primary Side | NCP1249 | Board(s) | Fully Populated | 1, Isolated | Flyback | ||||||||||||||||||||||||||||||||||||||||||
![]() |
NCP103MXTCGEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 52 Weeks | Box | 2014 | Active | 1 (Unlimited) | 85°C | -40°C | ROHS3 Compliant | Yes | 2.8V | 1.7V~5.5V | 150mA | Positive Fixed | NCP103 | Board(s) | Fully Populated | 1 - Single | ||||||||||||||||||||||||||||||||||||||||
![]() |
NCP1247USBPDGEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 52 Weeks | 2015 | Active | 1 (Unlimited) | ROHS3 Compliant | Yes | 90V~265VAC | AC/DC, Primary Side | NCP1247 | Board(s) | Fully Populated | 1, Isolated | Flyback | ||||||||||||||||||||||||||||||||||||||||||||
![]() |
FSL518AFLYGEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 8 Weeks | SENSEFET® | Active | 1 (Unlimited) | ROHS3 Compliant | 12V | 90V~265VAC | 660mA | 8W | AC/DC, Primary Side | FSL518A | Board(s) | Fully Populated | 1, Isolated | Flyback | ||||||||||||||||||||||||||||||||||||||||||
![]() |
NCP1052GEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 2010 | Obsolete | 1 (Unlimited) | RoHS Compliant | Yes | 120V | 85V~265VAC | 100mA | 1.2W | 136kHz | AC/DC, Non-Isolated | NCP1052 | Board(s) | Fully Populated | 1, Non-Isolated | Buck-Boost | |||||||||||||||||||||||||||||||||||||||||
![]() |
NCP3121QPBCKGEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 2009 | Obsolete | 1 (Unlimited) | RoHS Compliant | No | No SVHC | Yes | 3.3V 5V | 12V | 3A 3A | DC/DC, Step Down | NCP3121 | Board(s) | Fully Populated | 2, Non-Isolated | Buck | |||||||||||||||||||||||||||||||||||||||||
![]() |
NCP2811ADTBRGEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | Box | 2010 | NOCAP™ | Active | 1 (Unlimited) | 85°C | -40°C | ROHS3 Compliant | No | Yes | Headphones, 2-Channel (Stereo) | 110mW | 2.7V~5V | Class AB | NCP2811A | Board(s) | Fully Populated | 110mW x 2 @ 16 Ω | |||||||||||||||||||||||||||||||||||||||
![]() |
FEBFSEZ1317WA_CH310V3 | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | Obsolete | 1 (Unlimited) | RoHS Compliant | Yes | 5V | 90V~264VAC | 700mA | 3.5W | AC/DC, Primary Side | FSEZ1317WA | Board(s) | Fully Populated | 1, Isolated | Flyback | |||||||||||||||||||||||||||||||||||||||||||
![]() |
LV5068VGEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 52 Weeks | 2013 | Active | 1 (Unlimited) | ROHS3 Compliant | No SVHC | Yes | 80μA | DC/DC, Step Down | LV5068V | Board(s) | Fully Populated | 1, Non-Isolated | Buck | |||||||||||||||||||||||||||||||||||||||||||
![]() |
NCP3063BSTEXGEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 52 Weeks | 2006 | Active | 1 (Unlimited) | ROHS3 Compliant | No | No SVHC | Yes | 25V | 12V | 3A | DC/DC, Step Up | NCP3063 | Board(s) | Fully Populated | 1, Non-Isolated | Boost | ||||||||||||||||||||||||||||||||||||||||
![]() |
LV8714TAGEVK | ON Semiconductor | 116.3298 |
Min: 1 Mult: 1 |
0.00000000 | download | 2014 | Active | 1 (Unlimited) | ROHS3 Compliant | Yes | Power Management | Motor Controller/Driver, Stepper | LV8714 | Board(s) | ||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
NCN4555GEVB | ON Semiconductor | 74.0878 |
Min: 1 Mult: 1 |
0.00000000 | download | 12 Weeks | 2010 | Active | 1 (Unlimited) | ROHS3 Compliant | Yes | Interface | SIM Card | NCN4555 | Board(s) | No | ||||||||||||||||||||||||||||||||||||||||||||||
![]() |
NCP3065SOBCKGEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | Bulk | 2008 | Active | 1 (Unlimited) | ROHS3 Compliant | No | No SVHC | Yes | 12V | 1 | 3A | 3.6V | 350mA | Buck-Boost | NCP3065 | Board(s) | 1, Non-Isolated | ||||||||||||||||||||||||||||||||||||||||
![]() |
NCP1397GANGEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 2014 | Active | 1 (Unlimited) | ROHS3 Compliant | Yes | 12V | 90V~265VAC | AC/DC, Primary Side | NCP1397 | Board(s) | Fully Populated | 1, Non-Isolated | Resonant | ||||||||||||||||||||||||||||||||||||||||||||
![]() |
NCV74204V1GEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 6 Weeks | 2011 | Active | 1 (Unlimited) | ROHS3 Compliant | Yes | Interface | LIN | NCV7420 | Board(s) | |||||||||||||||||||||||||||||||||||||||||||||||
![]() |
MT9P004EBMSTCBH-GEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 52 Weeks | Active | ROHS3 Compliant | Image Sensor | MT9P004 | Board(s) | |||||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
NCP5222GEVB | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 2010 | Obsolete | 1 (Unlimited) | RoHS Compliant | Yes | 1.05V 1.05V | 18A 18A | 300kHz | DC/DC, Step Down | NCP5222 | Board(s) | Fully Populated | 2, Non-Isolated | Buck |
-
NB7L14MMNGEVB ON Semiconductor
NB7L14MMNGEVB datasheet pdf and Evaluation and Demonstration Boards and Kits product details from ON Semiconductor stock available at Utmel
Price: 0.0000
RFQ -
NOIP1SN5000A-QDI-A-GEVK ON Semiconductor
PYTHON5000 5.0 Mp Monochrome Image Sensor Evaluation Kit
Price: 0.0000
RFQ -
-
-
-
-
-
NOIP1SN1300A-QDI-A-GEVK ON Semiconductor
NOIP1SN1300A PYTHON1300 1.3 Mp Monochrome Image Sensor Evaluation Kit
Price: 0.0000
RFQ -
-
FUSB252GEVB ON Semiconductor
FUSB252GEVB datasheet pdf and Evaluation and Demonstration Boards and Kits product details from ON Semiconductor stock available at Utmel
Price: 0.0000
RFQ -
FEBFAN3241-001NDA-GEVB ON Semiconductor
FEBFAN3241-001NDA-GEVB datasheet pdf and Evaluation and Demonstration Boards and Kits product details from ON Semiconductor stock available at Utmel
Price: 0.0000
RFQ -
NBSG11BAEVB ON Semiconductor
NBSG11BAEVB datasheet pdf and Evaluation and Demonstration Boards and Kits product details from ON Semiconductor stock available at Utmel
Price: 0.0000
RFQ -
AR0141CS2C00SUEAH3-GEVB ON Semiconductor
AR0141 1.0 MP 1/4 Inch CMOS Digital Image Sensor Demo Board
Price: 0.0000
RFQ -
NCP1249AD65GEVB ON Semiconductor
NCP1249 65W High-voltage PWM Controller Evaluation Board
Price: 0.0000
RFQ -
-
-
-
-
-
NCP2811ADTBRGEVB ON Semiconductor
Evaluation Board For Designed For Portable Communication Device Applications Such As Mobile Phones
Price: 0.0000
RFQ -
-
LV5068VGEVB ON Semiconductor
ON SEMICONDUCTOR LV5068VGEVB EVALUATION BOARD, 80UA STEP-DOWN REGULATOR
Price: 0.0000
RFQ -
-
LV8714TAGEVK ON Semiconductor
LV8714TAGEVK datasheet pdf and Evaluation and Demonstration Boards and Kits product details from ON Semiconductor stock available at Utmel
Price: 116.3298
RFQ -
NCN4555GEVB ON Semiconductor
NCN4555GEVB datasheet pdf and Evaluation and Demonstration Boards and Kits product details from ON Semiconductor stock available at Utmel
Price: 74.0878
RFQ -
NCP3065SOBCKGEVB ON Semiconductor
ON SEMICONDUCTOR NCP3065SOBCKGEVB SEPIC LED Driver Eval. Board
Price: 0.0000
RFQ -
NCP1397GANGEVB ON Semiconductor
NCP1397 Integrated High Voltage Driver Evaluation Board
Price: 0.0000
RFQ -
-
-
NCP5222GEVB ON Semiconductor
Power Management IC Development Tools NCP5222 EVAL BOARD
Price: 0.0000
RFQ