Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

Chip SMD Resistors

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) 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 Depth Length RoHS Status Contact Plating Voltage - Rated Radiation Hardening Additional Feature Package / Case REACH SVHC Height Width Thickness Resistance Weight Operating Temperature Size / Dimension Voltage - Rated DC Technology Height Seated (Max) Ratings Packing Method Power Rating JESD-609 Code Terminal Finish Base Part Number Surface Mount Subcategory Max Power Dissipation Terminal Shape Mounting Feature Composition Feature Case Code (Metric) Case Code (Imperial) Tolerance Construction Temperature Coefficient Resistor Type Rated Power Dissipation (P) Working Voltage Size Code Military Standard Supplier Device Package Power (Watts)
CRM2512-FX-R240ELF CRM2512-FX-R240ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Tape & Reel (TR) 2015 CRM2512 Active 1 (Unlimited) 2 ROHS3 Compliant 2512 (6432 Metric) 787.4μm 240mOhm -55°C~155°C 0.248Lx0.122W 6.30mmx3.10mm 0.031 0.80mm TR, PAPER, 7 INCH e3 Matte Tin (Sn) - with Nickel (Ni) barrier YES 2W WRAPAROUND SURFACE MOUNT Thick Film Current Sense ±1% ±100ppm/°C FIXED RESISTOR 2W 1.349V
CR0603-FX-1302ELF CR0603-FX-1302ELF Bourns Inc. 0.1149
Add to Cart

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0603 Active 1 (Unlimited) 2 SMD/SMT 155°C -55°C 800μm 1.6mm ROHS3 Compliant Tin 50V No 0603 (1608 Metric) 450μm 800μm 457μm 13kOhms -55°C~155°C 0.063Lx0.031W 1.60mmx0.80mm 0.022 0.55mm 100mW CR0603 Thick Film Moisture Resistant 1608 0603 ±1% ±100ppm/°C Not 0603 0.1W 1/10W
CRT0603-BY-3242ELF CRT0603-BY-3242ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CRT yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant PRECISION 0603 (1608 Metric) 609.6μm 32.4kOhm -55°C~155°C 0.061Lx0.031W 1.55mmx0.80mm 0.024 0.60mm TR, PAPER, 7 INCH e3 Matte Tin (Sn) - with Nickel (Ni) barrier CRT0603 63mW WRAPAROUND Thin Film Current Sense ±0.1% RECTANGULAR PACKAGE ±25ppm/°C FIXED RESISTOR 0.1W 75V 0.1W 1/10W
CR1206-FX-2491ELF CR1206-FX-2491ELF Bourns Inc. 0.0821
Add to Cart

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR1206 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 1.6mm ROHS3 Compliant Tin 200V No 1206 (3216 Metric) 762μm 610μm 2.49kOhm -55°C~155°C 0.126Lx0.063W 3.20mmx1.60mm 0.030 0.75mm TR, PAPER, 7 INCH 250mW e3 250mW WRAPAROUND Thick Film Moisture Resistant 3216 1206 ±1% Rectangular ±100ppm/°C FIXED RESISTOR Not 0.25W 1/4W
CRL2010-JW-1R80ELF CRL2010-JW-1R80ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2006 CRL yes Obsolete 1 (Unlimited) 2 SMD/SMT EAR99 ROHS3 Compliant Tin No 2010 (5025 Metric) 711.2μm 1.8Ohm -55°C~125°C 0.197Lx0.098W 5.00mmx2.50mm 0.028 0.70mm TR, EMBOSSED PLASTIC, 7 INCH 500mW e3 CRL2010 FIXED RESISTOR 500mW WRAPAROUND Thick Film 5025 2010 ±5% Chip ±200ppm/°C FIXED RESISTOR 0.5W 0.5W 1/2W
CRS2010-JW-4R7ELF CRS2010-JW-4R7ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Surface Mount Tape & Reel (TR) 2010 CRS yes Active 1 (Unlimited) 2 SMD/SMT ROHS3 Compliant 400V 2010 (5025 Metric) No SVHC 660.4μm 4.7Ohm -55°C~155°C 0.197Lx0.098W 5.00mmx2.50mm 400V 0.026 0.65mm TR, EMBOSSED, 7 INCH 1W e3 Tin (Sn) - with Nickel (Ni) barrier CRS2010 1W WRAPAROUND Thick Film High Voltage, Pulse Withstanding 5025 2010 ±5% RECTANGULAR PACKAGE ±200ppm/°C FIXED RESISTOR 1W 400V
CRE2512-FZ-R008E-3 CRE2512-FZ-R008E-3 Bourns Inc. 0.2900
Add to Cart

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CRE2512 yes Active 1 (Unlimited) 2 Solder 3.35mm ROHS3 Compliant Tin PRECISION 2512 (6432 Metric) No SVHC 889μm 8mOhm -55°C~170°C 0.254Lx0.132W 6.45mmx3.35mm METAL STRIP 0.035 0.90mm AEC-Q200 TR, EMBOSSED, 7 INCH 3W e3 3W WRAPAROUND Metal Element Automotive AEC-Q200, Current Sense, Moisture Resistant 6432 2512 ±1% RECTANGULAR PACKAGE ±50ppm/°C FIXED RESISTOR 3W
CR0805-FX-6202ELF CR0805-FX-6202ELF Bourns Inc. 0.0831
Add to Cart

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0805 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 1.25mm ROHS3 Compliant Tin 150V No 0805 (2012 Metric) 609.6μm 508μm 62kOhm -55°C~155°C 0.079Lx0.049W 2.00mmx1.25mm 0.024 0.60mm TR, PAPER, 7 INCH 125mW e3 125mW WRAPAROUND Thick Film Moisture Resistant 2012 0805 ±1% Rectangular ±100ppm/°C FIXED RESISTOR Not 0.125W 1/8W
PWR6327N68R0FE PWR6327N68R0FE Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Tape & Reel (TR) 2011 PWR6327 Obsolete 1 (Unlimited) 2 275°C -55°C 15.9004mm ROHS3 Compliant 6327 J-Lead 6.8072mm 6.9088mm 68Ohms -55°C~275°C 0.626Lx0.272W 15.90mmx6.90mm 0.268 6.80mm PWR6327 3W Wirewound Current Sense, Moisture Resistant, Non-Inductive, Pulse Withstanding ±1% ±20ppm/°C 3W
CR0402-FX-8202GLF CR0402-FX-8202GLF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0402 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 500μm ROHS3 Compliant Tin 50V No 0402 (1005 Metric) 350μm 356μm 82kOhm -55°C~155°C 0.039Lx0.020W 1.00mmx0.50mm 0.016 0.40mm TR, PAPER, 7 INCH 62.5mW e3 WRAPAROUND Thick Film 1005 0402 ±1% RECTANGULAR PACKAGE ±100ppm/°C FIXED RESISTOR Not 0.063W 1/16W
CRT0603-BY-4871ELF CRT0603-BY-4871ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tape & Reel (TR) 2015 CRT yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant PRECISION 0603 (1608 Metric) 609.6μm 4.87kOhm -55°C~155°C 0.061Lx0.031W 1.55mmx0.80mm 0.024 0.60mm TR, PAPER, 7 INCH e3 Matte Tin (Sn) - with Nickel (Ni) barrier CRT0603 YES 63mW WRAPAROUND SURFACE MOUNT Thin Film Current Sense ±0.1% RECTANGULAR PACKAGE ±25ppm/°C FIXED RESISTOR 0.1W 75V 0.1W 1/10W
CR0402-FX-6800GLF CR0402-FX-6800GLF Bourns Inc. 0.0024
Add to Cart

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0402 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 500μm ROHS3 Compliant Tin 50V 0402 (1005 Metric) 350μm 356μm 680Ohm -55°C~155°C 0.039Lx0.020W 1.00mmx0.50mm 0.016 0.40mm TR, PAPER, 7 INCH 62.5mW e3 WRAPAROUND Thick Film 1005 0402 ±1% RECTANGULAR PACKAGE ±100ppm/°C FIXED RESISTOR Not 0.063W 1/16W
CR0402AFX-4992GAS CR0402AFX-4992GAS Bourns Inc. 0.0791
Add to Cart

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tape & Reel (TR) CR0402A-AS Active 1 (Unlimited) 2 ROHS3 Compliant 0402 (1005 Metric) 49.9kOhm -55°C~155°C 0.039Lx0.020W 1.00mmx0.50mm 0.015 0.37mm AEC-Q200 Thick Film Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant ±1% ±100ppm/°C 0.063W 1/16W
PWR263S-35-2200FE PWR263S-35-2200FE Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tape & Reel (TR) 2015 PWR263S-35 Active 1 (Unlimited) 2 10.1092mm ROHS3 Compliant TO-263-3, D2Pak (2 Leads + Tab), TO-263AB 4.8768mm 10.3886mm 220Ohms -55°C~155°C 0.398Lx0.409W 10.10mmx10.40mm 0.192 4.88mm AEC-Q200 PWR263S 35W Thick Film Automotive AEC-Q200, Current Sense, Pulse Withstanding ±1% ±100ppm/°C D2PAK 35W
CR0603-JW-272GLF CR0603-JW-272GLF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) 2006 CR0603 Discontinued 1 (Unlimited) 2 SMD/SMT 155°C -55°C 800μm 1.6mm ROHS3 Compliant 50V 0603 (1608 Metric) 558.8μm 800μm 457μm 2.7kOhms 2.012816mg -55°C~155°C 0.063Lx0.031W 1.60mmx0.80mm 0.022 0.55mm 100mW CR0603 100mW Thick Film Moisture Resistant 1608 0603 ±5% ±200ppm/°C Not 0603 0.1W 1/10W
PWR263S-20-2R50F PWR263S-20-2R50F Bourns Inc. 4.6618
Add to Cart

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tube 2009 PWR263S-20 Active 1 (Unlimited) 2 SMD/SMT EAR99 15.39mm ROHS3 Compliant Copper, Tin 250V No TO-263-3, D2Pak (2 Leads + Tab), TO-263AB No SVHC 4.88mm 2.5Ohm -55°C~155°C 0.398Lx0.409W 10.10mmx10.40mm 250V 0.192 4.88mm AEC-Q200 20W e3 Matte Tin (Sn) PWR263S YES GULL WING SURFACE MOUNT Thick Film Automotive AEC-Q200, Current Sense, Pulse Withstanding ±1% Rectangular ±100ppm/°C FIXED RESISTOR 4035
CRT1206-FZ-4871ELF CRT1206-FZ-4871ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tape & Reel (TR) 2015 CRT yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant PRECISION 1206 (3216 Metric) 660.4μm 4.87kOhm -55°C~155°C 0.120Lx0.061W 3.05mmx1.55mm 0.026 0.65mm TR, PAPER, 7 INCH e3 Matte Tin (Sn) - with Nickel (Ni) barrier CRT1206 YES 125mW WRAPAROUND SURFACE MOUNT Thin Film Current Sense ±1% RECTANGULAR PACKAGE ±50ppm/°C FIXED RESISTOR 0.25W 1/4W
CRT0603-PW-1502ELF CRT0603-PW-1502ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tape & Reel (TR) 2016 CRT yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Tin PRECISION 0603 (1608 Metric) 15kOhm -55°C~155°C 0.061Lx0.031W 1.55mmx0.80mm 0.024 0.60mm TR, PAPER, 7 INCH e3 CRT0603 YES WRAPAROUND SURFACE MOUNT Thin Film Current Sense ±0.01% RECTANGULAR PACKAGE ±10ppm/°C FIXED RESISTOR 0.1W 75V 0.1W 1/10W
CR0805-FX-3323ELF CR0805-FX-3323ELF Bourns Inc. 0.0860
Add to Cart

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0805 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 1.25mm ROHS3 Compliant Tin 150V No 0805 (2012 Metric) 609.6μm 508μm 332kOhm -55°C~155°C 0.079Lx0.049W 2.00mmx1.25mm 150V 0.024 0.60mm TR, PAPER, 7 INCH 125mW e3 125mW WRAPAROUND Thick Film Moisture Resistant 2012 0805 ±1% Rectangular ±100ppm/°C FIXED RESISTOR Not 0.125W 1/8W
CR0603-FX-49R9GLF CR0603-FX-49R9GLF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2008 CR0603 Discontinued 1 (Unlimited) 2 SMD/SMT 155°C -55°C 1.6002mm ROHS3 Compliant Tin 50V No 0603 (1608 Metric) 558.8μm 800μm 457μm 49.9Ohms -55°C~155°C 0.063Lx0.031W 1.60mmx0.80mm 0.022 0.55mm 100mW CR0603 100mW Thick Film Moisture Resistant 1608 0603 ±1% ±100ppm/°C 0603 0.1W 1/10W
CR0805-FX-1581ELF CR0805-FX-1581ELF Bourns Inc. 0.0870
Add to Cart

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0805 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 1.25mm ROHS3 Compliant Tin 150V No 0805 (2012 Metric) 609.6μm 508μm 1.58kOhm -55°C~155°C 0.079Lx0.049W 2.00mmx1.25mm 0.024 0.60mm TR, PAPER, 7 INCH 125mW e3 125mW WRAPAROUND Thick Film Moisture Resistant 2012 0805 ±1% Rectangular ±100ppm/°C FIXED RESISTOR Not 0.125W 1/8W
CR0402-J/-4R3GLF CR0402-J/-4R3GLF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0402 yes Active 1 (Unlimited) 2 EAR99 500μm ROHS3 Compliant 0402 (1005 Metric) 356μm 4.3Ohm -55°C~155°C 0.039Lx0.020W 1.00mmx0.50mm 0.016 0.40mm TR, PAPER, 7 INCH e3 Matte Tin (Sn) - with Nickel (Ni) barrier WRAPAROUND Thick Film ±5% RECTANGULAR PACKAGE -250/ +500ppm/°C FIXED RESISTOR 50V Not 0.063W 1/16W
CR0402-FX-3160GLF CR0402-FX-3160GLF Bourns Inc. 0.0821
Add to Cart

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0402 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 500μm ROHS3 Compliant Tin 50V No 0402 (1005 Metric) 406.4μm 356μm 316Ohm -55°C~155°C 0.039Lx0.020W 1.00mmx0.50mm 0.016 0.40mm TR, PAPER, 7 INCH 62.5mW e3 63mW WRAPAROUND Thick Film 1005 0402 ±1% RECTANGULAR PACKAGE ±100ppm/°C FIXED RESISTOR Not 0.063W 1/16W
CR0603-JW-363ELF CR0603-JW-363ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0603 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 ROHS3 Compliant Tin 50V No 0603 (1608 Metric) 558.8μm 457μm 36kOhm -55°C~155°C 0.063Lx0.031W 1.60mmx0.80mm 0.022 0.55mm TR, PAPER, 7 INCH 100mW e3 100mW WRAPAROUND Thick Film Moisture Resistant 1608 0603 ±5% Rectangular ±200ppm/°C FIXED RESISTOR 0.1W 0.1W 1/10W
CRL0805-JW-R510ELF CRL0805-JW-R510ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CRL yes Active 1 (Unlimited) 2 SMD/SMT EAR99 ROHS3 Compliant Tin No 0805 (2012 Metric) 600μm 510mOhm -55°C~125°C 0.079Lx0.049W 2.00mmx1.25mm 0.024 0.60mm TR, PAPER, 7 INCH 125mW e3 CRL0805 WRAPAROUND Thick Film 2012 0805 ±5% RECTANGULAR PACKAGE ±200ppm/°C FIXED RESISTOR 0.125W 1/8W
CR0805-FX-6341ELF CR0805-FX-6341ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0805 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 1.25mm ROHS3 Compliant Tin 150V No 0805 (2012 Metric) 609.6μm 508μm 6.34kOhm -55°C~155°C 0.079Lx0.049W 2.00mmx1.25mm 0.024 0.60mm TR, PAPER, 7 INCH 125mW e3 125mW WRAPAROUND Thick Film Moisture Resistant 2012 0805 ±1% Rectangular ±100ppm/°C FIXED RESISTOR Not 0.125W 1/8W
CR0805-FX-28R0ELF CR0805-FX-28R0ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0805 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 1.25mm ROHS3 Compliant Tin 150V No 0805 (2012 Metric) 609.6μm 508μm 28Ohm -55°C~155°C 0.079Lx0.049W 2.00mmx1.25mm 0.024 0.60mm TR, PAPER, 7 INCH 125mW e3 125mW WRAPAROUND Thick Film Moisture Resistant 2012 0805 ±1% Rectangular ±100ppm/°C FIXED RESISTOR Not 0.125W 1/8W
CR0603-FX-1373ELF CR0603-FX-1373ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0603 Active 1 (Unlimited) 2 SMD/SMT 155°C -55°C 800μm 1.6mm ROHS3 Compliant Tin 50V No 0603 (1608 Metric) 450μm 800μm 457μm 137kOhms -55°C~155°C 0.063Lx0.031W 1.60mmx0.80mm 0.022 0.55mm 100mW CR0603 Thick Film Moisture Resistant 1608 0603 ±1% ±100ppm/°C Not 0603 0.1W 1/10W
CR0402-FX-22R1GLF CR0402-FX-22R1GLF Bourns Inc. 0.0811
Add to Cart

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CR0402 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 500μm ROHS3 Compliant Tin 50V No 0402 (1005 Metric) 350μm 356μm 22.1Ohm -55°C~155°C 0.039Lx0.020W 1.00mmx0.50mm 50V 0.016 0.40mm TR, PAPER, 7 INCH 63mW e3 WRAPAROUND Thick Film 1005 0402 ±1% RECTANGULAR PACKAGE ±100ppm/°C FIXED RESISTOR Not 0.063W 1/16W
CRL0603-JW-R120ELF CRL0603-JW-R120ELF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2006 CRL yes Active 1 (Unlimited) 2 SMD/SMT EAR99 ROHS3 Compliant Tin No 0603 (1608 Metric) 558.8μm 120mOhm -55°C~125°C 0.063Lx0.031W 1.60mmx0.80mm 0.022 0.55mm TR, PAPER, 7 INCH 100mW e3 CRL0603 100mW WRAPAROUND Thick Film 1608 0603 ±5% RECTANGULAR PACKAGE ±200ppm/°C FIXED RESISTOR 0.1W 0.1095V 0.1W 1/10W
Settings Need Help?
Top FAQ's

How can I quickly find answers to my questions?

Please visit the Help & Support area of our website to find information regarding ordering, shipping, delivery and more.

What is my Order Status?

Registered users can track orders from their account dropdown, or click here. *Order Status may take 12 hours to update after initial order is placed.

How do I return product?

Users can begin the returns process by starting with our Returns Page.

How do I find price and availability?

Quotes can be created by registered users in myLists.

How do I create a 'HK JDW' Account?

Visit the Registration Page and enter the required information. You will receive an email confirmation when your registration is complete.

United Kingdom/GBP Summary
Fast Shipping Fast Delivery

Orders are typically delivered to United Kingdom within 48 hours depending on location.

Free Shipping Free Shipping

Free delivery to United Kingdom on orders of £33 or more. A delivery charge of £12 will be billed on all orders less than £33.

Incoterms Incoterms

DDP (Duty and customs paid by HK JDW)

Payment Options Payment Types

Credit account for qualified institutions and businesses

Payment in Advance by Wire Transfer

Visa Mastercard American Express PayPal Apple Pay Google Pay

Marketplace Marketplace Product

More Products From Fully Authorized Partners

Average Time to Ship 1-3 Days, extra ship charges may apply. Please see product page, cart, and checkout for actual ship speed.

Incoterms: CPT (Duty, customs, and applicable VAT/Tax due at time of delivery)

For more information visit Help & Support