Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

Inductors

Inductors.jpg
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.
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 Depth Diameter RoHS Status Lead Free Current Rating Radiation Hardening Number of Pins Package / Case REACH SVHC Lead Pitch Height Resistance Mounting Type Weight Operating Temperature Size / Dimension Self Resonant Frequency Height Seated (Max) Ratings HTS Code Packing Method Number of Functions Frequency - Self Resonant Type JESD-609 Code Terminal Finish Surface Mount Shielding Body Material Terminal Shape Case Code (Metric) Case Code (Imperial) Tolerance Current Rating (Amps) Halogen Free 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 Lead Diameter Inductance Tolerance Q Factor RMS Current (Irms) Max DC Current DC Current Special Feature Current - Saturation Q @ Freq Inductance Frequency - Test
LEM2520TR47K LEM2520TR47K Taiyo Yuden 16.4010
Add to Cart

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2012 LE, M Type Obsolete 1 (Unlimited) 2 SMD/SMT EAR99 RoHS Compliant Lead Free 350mA 1008 (2520 Metric) 1.8mm Surface Mount -40°C~85°C 0.098Lx0.079W 2.50mmx2.00mm 0.079 2.00mm 8504.50.80.00 Tape, Embossed 1 350MHz Wirewound Unshielded WRAPAROUND 2520 1008 ±10% Halogen Free Wound Chip RECTANGULAR PACKAGE 470nH 25.2MHz 680mOhm Max RF INDUCTOR DUAL ENDED 30 FERRITE 350mA DCR IS MEASURED AT 30% TOLERANCE 30 @ 25.2MHz
NRS8040T330MJGKV NRS8040T330MJGKV Taiyo Yuden 1.9367
Add to Cart

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) NR, S Type Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant 1.7A Nonstandard Surface Mount -40°C~125°C 0.315Lx0.315W 8.00mmx8.00mm 0.157 4.00mm AEC-Q200 8504.50.80.00 1 12MHz Wirewound Shielded ONE SURFACE ±20% RECTANGULAR PACKAGE 33μH 100kHz 130mOhm Max POWER INDUCTOR DUAL ENDED Ferrite 2A 100kHz
LK2125R56M-T LK2125R56M-T Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) 2006 LK yes Active 1 (Unlimited) 2 SMD/SMT EAR99 1.45mm ROHS3 Compliant Lead Free 150mA No 0805 (2012 Metric) 838.2μm Surface Mount -40°C~85°C 0.079Lx0.049W 2.00mmx1.25mm 0.057 1.45mm 8504.50.80.00 Tape, Embossed 1 115MHz Multilayer Unshielded WRAPAROUND 2012 0805 ±20% Halogen Free RECTANGULAR PACKAGE 560nH 25MHz 550mOhm Max RF INDUCTOR DUAL ENDED 25 Ferrite 150mA MULTI LAYER 25 @ 25MHz
HKQ0603W39NJ-T HKQ0603W39NJ-T Taiyo Yuden 0.0082
Add to Cart

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) HK, Q Type Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant 0201 (0603 Metric) Surface Mount -55°C~125°C 0.024Lx0.012W 0.60mmx0.30mm 0.013 0.33mm 8504.50.80.00 1 1.3MHz Multilayer YES Unshielded WRAPAROUND ±5% 140mA RECTANGULAR PACKAGE 39nH 300MHz 2Ohm Max RF INDUCTOR DUAL ENDED 7 0.14A Ceramic 7 @ 300MHz 300MHz
LAL02TBR56K LAL02TBR56K Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tray 2001 LA, L Type Obsolete 1 (Unlimited) 2 EAR99 2.3mm RoHS Compliant Lead Free 320mA Axial Through Hole -25°C~105°C 0.091Diax0.134L 2.30mmx3.40mm 8504.50.80.00 Ammo Pack 1 210MHz Unshielded WIRE ±10% Halogen Free Cylindrical TUBULAR PACKAGE 560nH 25.2MHz 610mOhm Max RF INDUCTOR 35 GENERAL PURPOSE INDUCTOR FERRITE 35 320mA 35 @ 25.2MHz
LAL02TB680J LAL02TB680J Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tray 2001 LA, L Type Obsolete 1 (Unlimited) 2.3mm RoHS Compliant Lead Free 64mA Axial Through Hole -25°C~105°C 0.091Diax0.134L 2.30mmx3.40mm 10MHz Unshielded ±5% 68μH 2.52MHz 7.2Ohm Max 40 64mA 40 @ 2.52MHz
LHL06TB153J LHL06TB153J Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Box (TB) LH, L Type Obsolete Not Applicable ROHS3 Compliant Radial, Vertical Cylinder Through Hole -25°C~105°C 0.268Dia 6.80mm 0.433 11.00mm Unshielded ±5% 15mH Ferrite
LHL08TB153J LHL08TB153J Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tape & Box (TB) 2013 LH, L Type yes Obsolete Not Applicable 2 Radial EAR99 9mm ROHS3 Compliant Lead Free 51mA No Radial, Vertical Cylinder 9.5mm Through Hole -25°C~105°C 0.354Dia 9.00mm 0.374 9.50mm 8504.50.80.00 Ammo Pack 1 350kHz Unshielded WIRE ±5% Tubular CYLINDRICAL PACKAGE 15mH 1kHz 62Ohm Max RF INDUCTOR 60 GENERAL PURPOSE INDUCTOR Ferrite 60 51mA Q MEASURED AT 0.0796 MHZ 60 @ 79.6kHz 1kHz
LB3218T6R8MV LB3218T6R8MV Taiyo Yuden 0.2462
Add to Cart

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) LB Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant 1207 (3218 Metric) Surface Mount -40°C~105°C 0.126Lx0.071W 3.20mmx1.80mm 0.079 2.00mm 8504.50.80.00 1 40MHz Wirewound YES Unshielded WRAPAROUND ±20% 380mA RECTANGULAR PACKAGE 6.8μH 7.96MHz 221mOhm Max RF INDUCTOR DUAL ENDED 0.38A 7.96MHz
HK10052N4S-T HK10052N4S-T Taiyo Yuden 0.0860
Add to Cart

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) HK yes Active 1 (Unlimited) 2 SMD/SMT EAR99 550μm ROHS3 Compliant Exempt 650mA No 2 0402 (1005 Metric) Unknown 500μm Surface Mount -55°C~125°C 0.039Lx0.020W 1.00mmx0.50mm 0.022 0.55mm Tape, Paper 1 6GHz Multilayer Unshielded WRAPAROUND 1005 0402 ±0.3nH Halogen Free RECTANGULAR PACKAGE 2.4nH 100MHz 130mOhm Max RF INDUCTOR DUAL ENDED 8 Not Ferrite 8 300mA 650mA 8 @ 100MHz
NS10145T3R3NNA NS10145T3R3NNA Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) NS Active 1 (Unlimited) 2 SMD/SMT EAR99 10.4mm ROHS3 Compliant 6.1A No Nonstandard Unknown 4.5mm Surface Mount -40°C~125°C 0.398Lx0.398W 10.10mmx10.10mm 0.191 4.85mm 8504.50.80.00 TR, Embossed 1 36.1MHz Wirewound Shielded ONE SURFACE ±30% Halogen Free Chip RECTANGULAR PACKAGE 3.3μH 100kHz 12mOhm Max POWER INDUCTOR DUAL ENDED 4040 Ferrite 30% 6.1A 6.1A 7.33A
LAV35VBR27M LAV35VBR27M Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tray 2001 LA, V Type Obsolete 1 (Unlimited) EAR99 4mm RoHS Compliant Lead Free 980mA Radial Through Hole -25°C~105°C 0.236Dia 6.00mm 0.315 8.00mm 8504.50.80.00 160MHz Unshielded ±20% 270nH 25.2MHz 100mOhm Max 980mA 50 @ 25.2MHz
LAL03KHR33M LAL03KHR33M Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Bulk 2001 LA, L Type yes Obsolete 1 (Unlimited) EAR99 RoHS Compliant Lead Free 370mA Axial Through Hole -25°C~105°C 0.102Diax0.276L 2.60mmx7.00mm 8504.50.80.00 360MHz Unshielded ±20% 330nH 25.2MHz 480mOhm Max 35 @ 2.52MHz 25.2MHz
LAL03VB471K LAL03VB471K Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tray 2001 LA, L Type Obsolete 1 (Unlimited) EAR99 RoHS Compliant Lead Free 55mA Axial Through Hole -25°C~105°C 0.102Diax0.276L 2.60mmx7.00mm 8504.50.80.00 2.25MHz Unshielded ±10% 470μH 796kHz 24Ohm Max 50 @ 796kHz 796kHz
CKP2012N1R5M-T CKP2012N1R5M-T Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) 2013 CK, P Type Active 1 (Unlimited) 2 SMD/SMT EAR99 1.45mm ROHS3 Compliant Lead Free 800mA No 2 0805 (2012 Metric) Unknown 1mm Surface Mount -40°C~85°C 0.079Lx0.049W 2.00mmx1.25mm 1MHz 0.037 0.95mm 8504.50.80.00 Tape, Embossed 1 Multilayer Unshielded WRAPAROUND 2012 0805 ±20% Halogen Free RECTANGULAR PACKAGE 1.5μH 1MHz 200mOhm Max POWER INDUCTOR DUAL ENDED Not Ferrite 20% 800mA 800mA
CAL45VB822K CAL45VB822K Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Through Hole Tape & Box (TB) 2015 CA, L Type yes Obsolete 1 (Unlimited) 2 EAR99 RoHS Compliant 50mA Axial Through Hole -25°C~105°C 0.173Diax0.315L 4.40mmx8.00mm 700kHz 13.9954mm 8504.50.80.00 Ammo Pack 1 Wirewound Unshielded ±10% Halogen Free Cylindrical TUBULAR PACKAGE 8.2mH 252kHz 125Ohm Max HIGH CURRENT INDUCTOR FERRITE 0.65 mm 70 75mA 75mA
N08DPA220K N08DPA220K Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2005 N Obsolete 1 (Unlimited) 2 EAR99 RoHS Compliant Lead Free 1.8A Nonstandard Surface Mount -25°C~85°C 0.417Lx0.354W 10.60mmx9.00mm 0.236 6.00mm 8504.50.80.00 1 11MHz Unshielded ±10% 22μH 1kHz 110mOhm Max 3542 FERRITE 1kHz
LAL04TB390K LAL04TB390K Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tray 2001 LA, L Type yes Obsolete 1 (Unlimited) 2 EAR99 RoHS Compliant Lead Free 350mA Axial Through Hole -25°C~105°C 0.157Diax0.386L 4.00mmx9.80mm 8504.50.80.00 1 6.3MHz Unshielded WIRE ±10% TUBULAR PACKAGE 39μH 2.52MHz 1.12Ohm Max RF INDUCTOR 50 0.35A GENERAL PURPOSE INDUCTOR FERRITE 50 @ 2.52MHz 2.52MHz
BRL1608T1R5M BRL1608T1R5M Taiyo Yuden 0.2699
Add to Cart

Min: 1

Mult: 1

0.00000000 download 28 Weeks Surface Mount Tape & Reel (TR) 2002 BR, L Type Active 1 (Unlimited) 2 SMD/SMT EAR99 1mm ROHS3 Compliant 590mA No 2 0603 (1608 Metric) Unknown 700μm Surface Mount -40°C~105°C 0.063Lx0.031W 1.60mmx0.80mm 0.028 0.70mm 8504.50.80.00 Tape, Embossed 1 600MHz Wirewound NO WRAPAROUND 1608 0603 ±20% Halogen Free Chip RECTANGULAR PACKAGE 1.5μH 1MHz 364mOhm Max POWER INDUCTOR DUAL ENDED Ferrite 20% 590mA DCR MEASURED AT 30% TOLERANCE 440mA
LK2125R82M-T LK2125R82M-T Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) 2006 LK yes Active 1 (Unlimited) 2 SMD/SMT EAR99 1.45mm ROHS3 Compliant Lead Free 150mA No 0805 (2012 Metric) 1.25mm Surface Mount -40°C~85°C 0.079Lx0.049W 2.00mmx1.25mm 0.057 1.45mm 8504.50.80.00 Tape, Embossed 1 100MHz Multilayer Unshielded WRAPAROUND 2125 0805 ±20% Halogen Free RECTANGULAR PACKAGE 820nH 25MHz 650mOhm Max RF INDUCTOR DUAL ENDED 25 Ferrite 150mA MULTI LAYER 25 @ 25MHz
NRS5010T2R2NMGF NRS5010T2R2NMGF Taiyo Yuden 0.2305
Add to Cart

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) NR, S Type Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Nonstandard Surface Mount -25°C~125°C 0.193Lx0.193W 4.90mmx4.90mm 0.039 1.00mm 8504.50.80.00 TR 1 65MHz Wirewound YES Unshielded ONE SURFACE ±30% 1.6A Chip RECTANGULAR PACKAGE 2.2μH 0.1MHz 126mOhm Max POWER INDUCTOR DUAL ENDED 1.4A 1919 Ferrite 1.5A 100kHz
LHLC06TB100KS LHLC06TB100KS Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Box (TB) LH, LC Type Obsolete Not Applicable ROHS3 Compliant Radial, Vertical Cylinder Through Hole -25°C~105°C 0.433Dia 11.00mm 0.551 14.00mm 19MHz Unshielded ±10% 1.2A 10μH 190mOhm Max Ferrite 30 @ 2.52MHz 2.52MHz
MBKK2012TR68N MBKK2012TR68N Taiyo Yuden 0.0083
Add to Cart

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) MCOIL™, MB Active 1 (Unlimited) 2 SMD/SMT EAR99 1.25mm ROHS3 Compliant 1.5A 0805 (2012 Metric) 1.2mm Surface Mount 5.499807mg -40°C~105°C 0.079Lx0.049W 2.00mmx1.25mm 0.039 1.00mm 8504.50.80.00 TR, Embossed, 7 Inch 1 Wirewound NO WRAPAROUND 2012 0805 ±30% Chip RECTANGULAR PACKAGE 680nH 1MHz 90mOhm Max POWER INDUCTOR DUAL ENDED Metal 1.5A 1.8A
CBC3225T4R7MR CBC3225T4R7MR Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) 2007 CB, C Type yes Active 1 (Unlimited) 2 SMD/SMT EAR99 2.7mm ROHS3 Compliant Lead Free 870mA No 2 1210 (3225 Metric) Unknown 2.5mm 100mOhm Surface Mount -40°C~105°C 0.126Lx0.098W 3.20mmx2.50mm 0.106 2.70mm 8504.50.80.00 TR, Embossed 1 70MHz Wirewound Unshielded WRAPAROUND 3225 1210 ±20% Halogen Free Wound Chip RECTANGULAR PACKAGE 4.7μH 100kHz 130mOhm Max POWER INDUCTOR DUAL ENDED Not Ferrite 20% 1.01A 1.01A DCR MEASURED AT 30% TOLERANCE 1.25A
LK10051R0K-T LK10051R0K-T Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) 2013 LK yes Active 1 (Unlimited) 2 SMD/SMT EAR99 550μm ROHS3 Compliant Lead Free 10mA No 2 0402 (1005 Metric) No SVHC 500μm 640mOhm Surface Mount -40°C~85°C 0.039Lx0.020W 1.00mmx0.50mm 0.022 0.55mm 8504.50.80.00 Tape, Paper 1 60MHz Multilayer Unshielded Ceramic WRAPAROUND 1005 0402 ±10% Halogen Free RECTANGULAR PACKAGE 1μH 10MHz 640mOhm Max RF INDUCTOR DUAL ENDED 20 Not Ferrite 10% 20 20mA 20mA MULTI LAYER 20 @ 10MHz
LB2518T221K LB2518T221K Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) 2007 LB yes Active 1 (Unlimited) 2 SMD/SMT EAR99 2mm ROHS3 Compliant Lead Free 40mA No 2 1007 (2518 Metric) 1.5mm 1.8mm Surface Mount -40°C~105°C 0.098Lx0.071W 2.50mmx1.80mm 0.079 2.00mm 8504.50.80.00 Tape, Embossed 1 5.5MHz Wirewound e3 Tin (Sn) - with Nickel (Ni) barrier Unshielded WRAPAROUND 2518 1007 ±10% Halogen Free Chip RECTANGULAR PACKAGE 220μH 796kHz 4.5Ohm RF INDUCTOR DUAL ENDED 0806 Not Ferrite 10% 40mA 40mA DCR IS MEASURED AT 30% TOLERANCE
NRS6028T220MMGJV NRS6028T220MMGJV Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) NR, S Type Active 1 (Unlimited) 2 SMD/SMT EAR99 6mm ROHS3 Compliant 1.4A No Nonstandard 2.8mm Surface Mount -40°C~125°C 0.236Lx0.236W 6.00mmx6.00mm 0.110 2.80mm AEC-Q200 8504.50.80.00 1 12MHz Wirewound Shielded ONE SURFACE ±20% Halogen Free RECTANGULAR PACKAGE 22μH 100kHz 175.5mOhm Max POWER INDUCTOR DUAL ENDED Ferrite 1.4A 1.3A
NRV2010T4R7MGF NRV2010T4R7MGF Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) 2015 NR, V Type Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant 820mA Nonstandard Surface Mount -25°C~120°C 0.079Lx0.079W 2.00mmx2.00mm 0.039 1.00mm AEC-Q200 8504.50.80.00 1 Wirewound Shielded ONE SURFACE ±20% RECTANGULAR PACKAGE 4.7μH 100kHz 320mOhm POWER INDUCTOR DUAL ENDED 0.82A Ferrite 760mA 100kHz
BRC1608TR43M6 BRC1608TR43M6 Taiyo Yuden 0.2442
Add to Cart

Min: 1

Mult: 1

0.00000000 download 28 Weeks Surface Mount Tape & Reel (TR) BR, C Type Active 1 (Unlimited) 2 SMD/SMT EAR99 1mm ROHS3 Compliant 1.1A No 0603 (1608 Metric) Unknown 800μm Surface Mount -40°C~105°C 0.063Lx0.031W 1.60mmx0.80mm 0.039 1.00mm 8504.50.80.00 Tape, Embossed 1 740MHz Wirewound Unshielded WRAPAROUND 1608 0603 ±20% Halogen Free Chip RECTANGULAR PACKAGE 430nH 6MHz 82mOhm POWER INDUCTOR DUAL ENDED Ferrite 20% 1.1A DCR MEASURED AT 30% TOLERANCE 1.4A
CKP2012E2R2M-T CKP2012E2R2M-T Taiyo Yuden 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 13 Weeks Tape & Reel (TR) CK, P Type Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant 0805 (2012 Metric) Surface Mount -40°C~85°C 0.079Lx0.049W 2.00mmx1.25mm 0.039 1.00mm 8504.50.80.00 1 Multilayer YES Unshielded WRAPAROUND ±20% 1.3A RECTANGULAR PACKAGE 2.2μH 1MHz 160mOhm Max POWER INDUCTOR DUAL ENDED 1.3A Ferrite 1MHz
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