Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

Fixed Inductors

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Lifecycle Status 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 Diameter Length RoHS Status Lead Free Contact Plating Current Rating Radiation Hardening Number of Pins Package / Case REACH SVHC Reach Compliance Code Lead Pitch Height Width Resistance Mounting Type Weight Operating Temperature Size / Dimension Self Resonant Frequency Height Seated (Max) Ratings Current HTS Code Packing Method Number of Functions Frequency - Self Resonant Type Lead Length JESD-609 Code Terminal Finish Base Part Number Surface Mount Operating Temperature (Max) Operating Temperature (Min) Shielding Terminal Shape Reference Standard Composition Case Code (Metric) Case Code (Imperial) Tolerance Current Rating (Amps) Construction Shape/Size Description Inductance Test Frequency DC Resistance (DCR) Inductor Application Terminal Placement Quality Factor-Min (at L-nom) Rated Current-Max Inductor Type Case/Size Code Military Standard Material - Core Core Material Inductance-Nom (L) Lead Diameter Lead Spacing Inductance Tolerance Lead/Base Style Q Factor DC Resistance (DCR) - Parallel RMS Current (Irms) Max DC Current DC Current Special Feature Current - Saturation Inductance - Parallel Q @ Freq Inductance Frequency - Test Inductance - Series
SD3814-R82-R SD3814-R82-R Eaton - Electronics Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2007 SD38 Obsolete 1 (Unlimited) Nonstandard Surface Mount -40°C~85°C 0.157Lx0.157W 4.00mmx4.00mm 0.055 1.40mm Wirewound Shielded ±15% 2.18A 820nH 33mOhm Ferrite 3.08A 100kHz
S0402-47NG2S S0402-47NG2S API Delevan Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Bulk 2012 S0402 Active 1 (Unlimited) 2 EAR99 Non-RoHS Compliant 150mA 0402 (1005 Metric) Surface Mount -55°C~125°C 0.043Lx0.025W 1.09mmx0.64mm 0.030 0.76mm 8504.50.80.00 1 2.1GHz Wirewound e0 TIN LEAD OVER NICKEL NO WRAPAROUND ±2% RECTANGULAR PACKAGE 47nH 250MHz 830mOhm Max RF INDUCTOR DUAL ENDED 19 0.15A Alumina 19 @ 250MHz 250MHz
5500-105K 5500-105K API Delevan Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 5 Weeks Surface Mount Tape & Reel (TR) 2011 5500 Active 1 (Unlimited) 2 SMD/SMT EAR99 12.96mm Non-RoHS Compliant 1.08A No 2-SMD 13.21mm Surface Mount -55°C~130°C 1.080Lx0.510W 27.44mmx12.96mm 0.520 13.21mm 8504.50.80.00 TR, Paper, 13 Inch 1 e0 Tin/Lead (Sn/Pb) NO WRAPAROUND ±10% Rectangular RECTANGULAR PACKAGE 1mH 1kHz 844mOhm Max POWER INDUCTOR DUAL ENDED GENERAL PURPOSE INDUCTOR Ferrite 1.08A 560mA
481R0SC 481R0SC Murata Power Solutions 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 11 Weeks Surface Mount Tape & Reel (TR) 4800S yes Active 1 (Unlimited) 2 SMD/SMT EAR99 12.5mm RoHS Compliant 10A No 2 Nonstandard, 4 Lead No SVHC 6mm Surface Mount -40°C~85°C 0.480Lx0.480W 12.20mmx12.20mm 0.236 6.00mm 8504.50.80.00 1 83MHz Wirewound e3 Tin (Sn) YES ONE SURFACE ±30% RECTANGULAR PACKAGE 1μH 1MHz 6mOhm Max POWER INDUCTOR DUAL ENDED 30% 35 10A 10A 35 @ 1MHz 10kHz
PG0016.823NL PG0016.823NL Pulse Electronics Power 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) PG0016NL Active 1 (Unlimited) 2 EAR99 5.4mm RoHS Compliant 580mA 2420 (6050 Metric) 4.8514mm Surface Mount -40°C~130°C 0.236Lx0.213W 6.00mmx5.40mm 0.191 4.85mm 8504.50.80.00 1 Wirewound NO WRAPAROUND ±15% RECTANGULAR PACKAGE 82μH 600mOhm POWER INDUCTOR DUAL ENDED 0.58A Not 580mA 700mA
MLF1608C180M MLF1608C180M TDK Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Digi-Reel® MLF yes 2 SMD/SMT EAR99 85°C -40°C 1.6002mm RoHS Compliant 2mA 800μm 787.4μm 939.8μm 8504.50.80.00 TR 1 20MHz Shielded WRAPAROUND 1608 0603 20% Monolithic RECTANGULAR PACKAGE 18 μH 1MHz RF INDUCTOR DUAL ENDED 20 GENERAL PURPOSE INDUCTOR Ferrite 18 μH 20 1.6Ohm 2mA MULTILAYER
TR021R12KR15 TR021R12KR15 Vishay Sfernice 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 36 Weeks Tape & Reel (TR) Active Not Applicable 125°C -55°C 7.85mm ROHS3 Compliant No Molded 10% 120 nH 90mOhm Axial 1.41A
DO3308P-104MLB DO3308P-104MLB Coilcraft 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 3 Weeks ACTIVE (Last Updated: 13 hours ago) Surface Mount Cut Tape 2011 yes Active 2 EAR99 RoHS Compliant Contains Lead No SVHC 11MHz 8504.50.80.00 TR 1 e4 Gold (Au) - with Nickel (Ni) barrier 125°C -40°C NO WRAPAROUND Flat Top RECTANGULAR PACKAGE 100 μH 0.1MHz POWER INDUCTOR DUAL ENDED 0.73A GENERAL PURPOSE INDUCTOR 5137 FERRITE 100 µH 20% 690mOhm 730mA 870mA
#FSLM2520-180J=P2 #FSLM2520-180J=P2 Toko 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tape & Reel (TR) no 2 EAR99 85°C -40°C 2.2mm 2.5mm RoHS Compliant Contains Lead 130mA No 1.6mm 2mm 1.7018mm 110mA 8504.50.80.00 1 17MHz Unshielded WRAPAROUND Wirewound 2520 1008 5% RECTANGULAR PACKAGE 18 μH 2.52MHz RF INDUCTOR DUAL ENDED 25 GENERAL PURPOSE INDUCTOR Ferrite 18 µH 3.2Ohm 130mA
PCMC135T-3R3MF PCMC135T-3R3MF Susumu 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2008 PCMC Obsolete 1 (Unlimited) 2 SMD/SMT EAR99 ROHS3 Compliant 15A Nonstandard 5mm Surface Mount 0.530Lx0.496W 13.45mmx12.60mm 0.189 4.80mm 8504.50.80.00 1 Unshielded WRAPAROUND ±20% RECTANGULAR PACKAGE 3.3μH 9.2mOhm Max POWER INDUCTOR DUAL ENDED GENERAL PURPOSE INDUCTOR 5053 15A 32A 100kHz
SPD73R-273M SPD73R-273M API Delevan Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 18 Weeks Surface Mount Tape & Reel (TR) 2012 SPD73R yes Active 1 (Unlimited) 2 SMD/SMT EAR99 7.8mm ROHS3 Compliant Lead Free 1.6A No Nonstandard 3.8862mm Surface Mount -55°C~125°C 0.287Lx0.287W 7.30mmx7.30mm 0.154 3.90mm 8504.50.80.00 TR, 13 Inch 1 Wirewound e3 Tin (Sn) YES ONE SURFACE ±20% Rectangular RECTANGULAR PACKAGE 27μH 1kHz 210mOhm Max POWER INDUCTOR DUAL ENDED 2929 Ferrite 1.6A
1008LS-104XJLB 1008LS-104XJLB Coilcraft 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download ACTIVE (Last Updated: 7 hours ago) Surface Mount Cut Tape 2012 yes Active 2 SMD/SMT EAR99 85°C -40°C 2.92mm RoHS Compliant Contains Lead 120mA 1008 No SVHC 2.03mm 2.79mm 8504.50.80.00 TR 1 4.5MHz Silver/Palladium/Platinum - with Glass frit NO WRAPAROUND 5% Chip RECTANGULAR PACKAGE 100 μH 2.5MHz RF INDUCTOR DUAL ENDED 13 GENERAL PURPOSE INDUCTOR 1211 Ceramic, Ferrite 100 µH 5% 13 20.5Ohm 120mA Q MEASURED AT 0.79 MHZ
LQW18AN4N3C80D LQW18AN4N3C80D Murata Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks IN PRODUCTION (Last Updated: 1 month ago) Surface Mount Tape & Reel (TR) LQW18 Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant 2.1A 0603 (1608 Metric) Surface Mount -55°C~125°C 0.063Lx0.031W 1.60mmx0.80mm 0.039 1.00mm 8504.50.80.00 1 11.6GHz Wirewound e3 Matte Tin (Sn) - with Nickel (Ni) barrier NO ONE SURFACE ±0.2nH RECTANGULAR PACKAGE 4.3nH 100MHz 36mOhm Max RF INDUCTOR DUAL ENDED 35 Q MEASURED AT 250 MHZ 35 @ 250MHz 100MHz
MSD1278T-274KLB MSD1278T-274KLB Coilcraft 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 ACTIVE (Last Updated: 11 hours ago) Bulk 2012 Active 4 EAR99 85°C -40°C 12.3mm RoHS Compliant Contains Lead SMD/SMT Unknown 8.05mm 12.3mm 450mOhm 8504.50.80.00 TR 2 3.1MHz e3 Matte Tin (Sn) - with Nickel (Ni) barrier YES YES ONE SURFACE AEC-Q200 10% Rectangular RECTANGULAR PACKAGE 270 μH 0.1MHz DC-DC CONVERTER DUAL IN-LINE GENERAL PURPOSE INDUCTOR 4848 Ferrite 270 µH 10% 900mOhm 920mA PARALLEL CONNECTED 270 μH 1.08 mH
0603CS-33NXGLW 0603CS-33NXGLW Coilcraft 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 ACTIVE (Last Updated: 5 hours ago) yes 2 SMD/SMT EAR99 125°C -40°C 1.8mm RoHS Compliant Contains Lead 0603 1.02mm 1.12mm 2.012816mg 8504.50.80.00 TR, PUNCHED PAPER, 7 INCH 1 2.3GHz Silver/Palladium/Platinum - with Glass frit YES NO WRAPAROUND AEC-Q200 2% Rectangular RECTANGULAR PACKAGE 33 nH 250MHz RF INDUCTOR DUAL ENDED 40 GENERAL PURPOSE INDUCTOR Ceramic 0.033 µH 42 220mOhm 600mA
DD1231AS-H-2R2M=P3 DD1231AS-H-2R2M=P3 Murata Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 13 Weeks Tape & Reel (TR) Active
ELJ-FAR39MF2 ELJ-FAR39MF2 Panasonic Electronic Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2010 FA yes Obsolete 1 (Unlimited) 2 EAR99 RoHS Compliant 1210 (3225 Metric) compliant Surface Mount -20°C~85°C 0.126Lx0.098W 3.20mmx2.50mm 0.094 2.40mm 8504.50.80.00 TR, Embossed, 7 Inch 1 175MHz Wirewound e2 Tin/Copper (Sn/Cu) YES Unshielded J BEND ±20% 305mA Rectangular RECTANGULAR PACKAGE 390nH 25.2MHz 390mOhm Max RF INDUCTOR DUAL ENDED 25 0.305A 25 @ 25.2MHz 25.2MHz
CM453232-560KL CM453232-560KL Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Surface Mount Tape & Reel (TR) 2008 CM45 yes Active 3 (168 Hours) 2 SMD/SMT EAR99 3.4mm ROHS3 Compliant 135mA 2 1812 (4532 Metric) 3.2004mm Surface Mount 26.988746mg -40°C~125°C 0.177Lx0.126W 4.50mmx3.20mm 0.134 3.40mm TR, 7 Inch 1 9MHz Wirewound e3 Matte Tin (Sn) CM453232 NO WRAPAROUND 4532 1812 ±10% Rectangular RECTANGULAR PACKAGE 56μH 2.52MHz 5.5Ohm Max RF INDUCTOR DUAL ENDED 50 Not Ferrite 50 135mA 135mA 50 @ 2.52MHz
2200HT-151-V-RC 2200HT-151-V-RC Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Through Hole Bulk 2009 2200HT yes Active 1 (Unlimited) 2 EAR99 13.97mm 24.13mm ROHS3 Compliant Tin 4.8A Radial, Vertical (Open) 12.19mm Through Hole -55°C~200°C 0.950Diax0.550W 24.13mmx13.97mm 8504.50.80.00 1 Toroidal e1 YES WIRE ±15% Vertical Mount CYLINDRICAL PACKAGE 150μH 1kHz 75mOhm Max HIGH CURRENT INDUCTOR Not Iron Powder 12.192mm Radial 4.8A 4.8A
NLV32T-221J-PF NLV32T-221J-PF TDK Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks PRODUCTION (NOT RECOMMENDED FOR NEW DESIGN) (Last Updated: 1 month ago) Surface Mount Tape & Reel (TR) 2001 NLV-PF yes Not For New Designs 1 (Unlimited) 2 SMD/SMT EAR99 2.7mm ROHS3 Compliant Lead Free 50mA 2 1210 (3225 Metric) No SVHC 2.1844mm 21Ohm Surface Mount 50.008559mg -40°C~105°C 0.126Lx0.098W 3.20mmx2.50mm 0.094 2.40mm 8504.50.80.00 TR, 7 Inch 1 7MHz Wirewound e2 Tin/Copper (Sn/Cu) NO WRAPAROUND 3225 1210 ±5% Chip RECTANGULAR PACKAGE 220μH 796kHz 21Ohm Max RF INDUCTOR DUAL ENDED 20 Not Ferrite 5% 20 50mA 50mA 20 @ 796kHz
1812R-681F 1812R-681F API Delevan Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 16 Weeks Surface Mount Tape & Reel (TR) 2011 1812R yes Active 1 (Unlimited) 2 SMD/SMT EAR99 3.4mm ROHS3 Compliant 379mA No 2-SMD 3.4mm Surface Mount -55°C~125°C 0.126Lx0.126W 3.20mmx3.20mm 0.190 4.83mm 8504.50.80.00 TR, 7/13 Inch 1 150MHz e1 Tin/Silver/Copper (Sn96.5Ag3.0Cu0.5) NO WRAPAROUND 4532 1812 ±1% RECTANGULAR PACKAGE 680nH 25MHz 1.4Ohm Max RF INDUCTOR DUAL ENDED 30 GENERAL PURPOSE INDUCTOR Iron 30 379mA 30 @ 25MHz
MLG0402Q1N4BT000 MLG0402Q1N4BT000 TDK Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks PRODUCTION (Last Updated: 2 months ago) Surface Mount Tape & Reel (TR) 2013 MLG-Q Active 1 (Unlimited) EAR99 ROHS3 Compliant 250mA 01005 (0402 Metric) Surface Mount -55°C~125°C 0.016Lx0.008W 0.40mmx0.20mm 0.009 0.22mm 8504.50.80.00 10GHz Multilayer Unshielded 0402 1005 ±0.1nH 1.4nH 100MHz 600mOhm Max Non-Magnetic 2 @ 100MHz 100MHz
LQW18AS6N8J00D LQW18AS6N8J00D Murata Electronics 0.0554
Add to Cart

Min: 1

Mult: 1

0.00000000 7 Weeks IN PRODUCTION (Last Updated: 4 weeks ago) Tape & Reel (TR) Active 2 EAR99 RoHS Compliant compliant 5800MHz 8504.50.80.00 1 e3 Matte Tin (Sn) - with Nickel (Ni) barrier YES 125°C -40°C NO ONE SURFACE 5% RECTANGULAR PACKAGE 0.0068 µH 250MHz 0.11Ohm RF INDUCTOR DUAL ENDED 27 0.7A GENERAL PURPOSE INDUCTOR
SP1210-392H SP1210-392H API Delevan Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tape & Reel (TR) 2011 SP1210 no Active 1 (Unlimited) 2 EAR99 2.66mm Non-RoHS Compliant 665mA No Nonstandard 2.57mm Surface Mount -55°C~125°C 0.138Lx0.105W 3.51mmx2.66mm 0.101 2.57mm 8504.50.80.00 TR, 13 Inch 1 Wirewound e0 Tin/Lead (Sn63Pb37) YES J BEND ±3% Rectangular RECTANGULAR PACKAGE 3.9μH 100kHz 470mOhm Max POWER INDUCTOR DUAL ENDED Ferrite 665mA
ER1025-72KM ER1025-72KM API Delevan Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 16 Weeks Through Hole Tape & Reel (TR) 2012 ER1025 no Active Not Applicable 2 EAR99 Non-RoHS Compliant 61mA No Axial Through Hole 299.994654mg -55°C~105°C 0.095Diax0.250L 2.41mmx6.35mm 8504.50.80.00 TR, 14 INCH 1 11MHz Molded 36.53mm e0 Tin/Lead (Sn/Pb) NO WIRE ±10% TUBULAR PACKAGE 150μH 790kHz 15Ohm Max RF INDUCTOR 30 Ferrite 0.51 mm 61mA 30 @ 790kHz
1026-02F 1026-02F API Delevan Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 16 Weeks Through Hole Tape & Reel (TR) 2010 1026 no Active 1 (Unlimited) 2 EAR99 2.41mm Non-RoHS Compliant 2.2A No Axial Through Hole -55°C~125°C 0.095Diax0.250L 2.41mmx6.35mm 8504.50.80.00 TR, 14 INCH 1 875MHz Molded 38.1mm e0 Tin/Lead (Sn63Pb37) NO WIRE MS75083 ±1% Tubular TUBULAR PACKAGE 27nH 25MHz 30mOhm Max RF INDUCTOR 40 Phenolic 40 2.2A 40 @ 25MHz
SRR4818A-390M SRR4818A-390M Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Tape & Reel (TR) SRR4818A Active 1 (Unlimited) EAR99 ROHS3 Compliant Nonstandard Surface Mount -40°C~150°C 0.189Lx0.189W 4.80mmx4.80mm 0.079 2.00mm AEC-Q200 8504.50.80.00 17MHz Wirewound e3 Tin (Sn) Shielded ±20% 800mA 39μH 540mOhm Max Ferrite 20% 530mA 100kHz
SRP1040-8R2M SRP1040-8R2M Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Surface Mount Tape & Reel (TR) 2006 SRP1040 yes Last Time Buy 1 (Unlimited) 2 SMD/SMT EAR99 10.5mm ROHS3 Compliant 5A No 2 Nonstandard No SVHC 4.2mm Surface Mount -55°C~150°C 0.465Lx0.413W 11.80mmx10.50mm 0.165 4.20mm 22A 8504.50.80.00 TR, 13 Inch 1 e2 Copper/Tin (Cu/Sn) YES WRAPAROUND ±20% RECTANGULAR PACKAGE 8.2μH 100kHz 33mOhm Max POWER INDUCTOR DUAL ENDED GENERAL PURPOSE INDUCTOR Not Iron 20% 5A 5A 5A 8A
MSS1038-522NLB MSS1038-522NLB Coilcraft 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 ACTIVE (Last Updated: 15 hours ago) Cut Tape yes 2 EAR99 125°C -40°C 10.5mm RoHS Compliant Contains Lead SMD/SMT 4mm 10.2mm 8504.50.80.00 TR 1 37MHz e3 Matte Tin (Sn) - with Nickel (Ni) barrier YES Shielded WRAPAROUND AEC-Q200 30% Rectangular RECTANGULAR PACKAGE 5.2 μH 100kHz POWER INDUCTOR DUAL ENDED GENERAL PURPOSE INDUCTOR 4039 Ferrite 5.2 µH 22mOhm 5.1A
108-123GS 108-123GS API Delevan Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 15 Weeks Surface Mount Tape & Reel (TR) 2010 108 no Active 1 (Unlimited) 2 SMD/SMT EAR99 2.79mm Non-RoHS Compliant 79mA No 2 Nonstandard, 2 Lead 1.91mm Surface Mount -55°C~125°C 0.100Lx0.100W 2.54mmx2.54mm 0.075 1.91mm 8504.50.80.00 TR, 7 Inch 1 26MHz e0 Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier NO WRAPAROUND ±2% Epoxy Encapsulated RECTANGULAR PACKAGE 12μH 2.5MHz 4Ohm Max RF INDUCTOR DUAL ENDED 36 GENERAL PURPOSE INDUCTOR 1010 Iron 36 79mA 36 @ 2.5MHz
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