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 Current Rating Radiation Hardening Number of Pins Package / Case REACH SVHC Reach Compliance Code Lead Pitch Height Width Thickness Resistance Mounting Type Weight Operating Temperature Size / Dimension Height Seated (Max) Ratings HTS Code Packing Method Number of Functions Frequency - Self Resonant Type Lead Length JESD-609 Code Terminal Finish Surface Mount Operating Temperature (Max) Shielding Terminal Shape 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 Inductance-Nom (L) Inductance Tolerance Lead/Base Style Q Factor DC Resistance (DCR) - Parallel RMS Current (Irms) Max DC Current DC Current Special Feature Current - Saturation Q @ Freq Inductance Frequency - Test
SRP7028A-R15Y SRP7028A-R15Y Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Tape & Reel (TR) 2014 SRP7028A Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Nonstandard Surface Mount -40°C~150°C 0.287Lx0.260W 7.30mmx6.60mm 0.118 3.00mm AEC-Q200 8504.50.80.00 TR, EMBOSSED, 13 INCH 1 220MHz Wirewound e3 Tin (Sn) YES YES WRAPAROUND ±30% 27A RECTANGULAR PACKAGE 150nH 0.1MHz 1.9mOhm Max POWER INDUCTOR DUAL ENDED 5 27A 2926 Carbonyl Powder 45A 5 @ 100kHz 100kHz
MLF2012DR22MTD25 MLF2012DR22MTD25 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 MLF Active 1 (Unlimited) 2 SMD/SMT EAR99 ROHS3 Compliant 250mA 0805 (2012 Metric) 850μm Surface Mount 5.499807mg -55°C~125°C 0.079Lx0.049W 2.00mmx1.25mm 0.041 1.05mm AEC-Q200 8504.50.80.00 TR, PUNCHED PAPER, 7 INCH 1 250MHz Multilayer YES WRAPAROUND 2012 0805 ±20% Rectangular RECTANGULAR PACKAGE 220nH 25MHz 300mOhm Max DUAL ENDED 20 Ferrite 20 250mA INDUCTANCE IS MEASURED AT 1 MILLI AMPERE 20 @ 25MHz
SDR1005-101K SDR1005-101K Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2005 SDR1005 Obsolete 1 (Unlimited) 2 SMD/SMT EAR99 ROHS3 Compliant 1A Nonstandard 5mm Surface Mount -40°C~125°C 0.500Lx0.394W 12.70mmx10.00mm 0.197 5.00mm 8504.50.80.00 TR 1 8MHz Wirewound e0 Tin/Lead (Sn/Pb) NO WRAPAROUND ±10% Low Profile CYLINDRICAL PACKAGE 100μH 1kHz 330mOhm Max POWER INDUCTOR DUAL ENDED 30 5039 Ferrite 30 1A Q MEASURED AT 0.05 MHZ 1.2A 41 @ 56kHz
1210-102J 1210-102J API Delevan Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 8 Weeks Surface Mount Tape & Reel (TR) 2005 1210 no Active 2 SMD/SMT EAR99 2.67mm Non-RoHS Compliant Contains Lead 515mA No 1210 (3225 Metric) 2.57mm Surface Mount -55°C~125°C 0.128Lx0.095W 3.25mmx2.42mm 0.101 2.57mm 8504.50.80.00 TR, 13 Inch 1 120MHz e0 Tin/Lead (Sn63Pb37) NO J BEND 3225 ±5% Rectangular RECTANGULAR PACKAGE 1μH 7.9MHz 700mOhm Max RF INDUCTOR DUAL ENDED 30 GENERAL PURPOSE INDUCTOR Ferrite 30 515mA 30 @ 7.9MHz
CDCH8D38/ANP-680KC CDCH8D38/ANP-680KC Sumida America Components Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 15 Weeks Surface Mount Tape & Reel (TR) CDCH8D38/ANP yes Obsolete 1 (Unlimited) 4 ROHS3 Compliant 550mA Nonstandard unknown 4mm Surface Mount 0.315Lx0.315W 8.00mmx8.00mm 0.157 4.00mm 1 125°C NO WRAPAROUND ±10% RECTANGULAR PACKAGE 68μH 100kHz 481.3mOhm Max POWER INDUCTOR DUAL IN-LINE GENERAL PURPOSE INDUCTOR 550mA
MLG1005S51NJTD25 MLG1005S51NJTD25 TDK Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks PRODUCTION (Last Updated: 1 month ago) Surface Mount Tape & Reel (TR) 2013 MLG Active 1 (Unlimited) 2 SMD/SMT EAR99 ROHS3 Compliant 250mA 0402 (1005 Metric) 500μm Surface Mount 652.039032μg -55°C~120°C 0.039Lx0.020W 1.00mmx0.50mm 0.022 0.55mm AEC-Q200 TR, PUNCHED PAPER, 7 INCH 1 1.1GHz Multilayer NO WRAPAROUND 1005 0402 ±5% Rectangular RECTANGULAR PACKAGE 51nH 100MHz 1.2Ohm Max RF INDUCTOR DUAL ENDED 8 Ceramic, Non-Magnetic 8 250mA 8 @ 100MHz
3094R-102FS 3094R-102FS API Delevan Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 15 Weeks Surface Mount Tape & Reel (TR) 2010 3094R yes Active 1 (Unlimited) 2 SMD/SMT EAR99 3.38mm ROHS3 Compliant 380mA No 2 2-SMD 3.56mm Surface Mount -55°C~125°C 0.163Lx0.133W 4.14mmx3.38mm 0.140 3.56mm 8504.50.80.00 TR, 7/13 Inch 1 130MHz e1 Tin/Silver/Copper (Sn95.5Ag3.8Cu0.7) NO WRAPAROUND ±1% Epoxy Encapsulated RECTANGULAR PACKAGE 1μH 25MHz 340mOhm Max RF INDUCTOR DUAL ENDED 75 GENERAL PURPOSE INDUCTOR Iron 75 380mA 75 @ 25MHz
1008HQ-82NXGLC 1008HQ-82NXGLC Coilcraft 1.2043
Add to Cart

Min: 1

Mult: 1

0.00000000 ACTIVE (Last Updated: 16 hours ago) yes 2 SMD/SMT EAR99 125°C -40°C 2.92mm RoHS Compliant Contains Lead 1008 2.03mm 2.79mm TR, 7 Inch 1 1.06GHz Silver/Palladium/Platinum - with Glass frit YES NO WRAPAROUND 2% Chip RECTANGULAR PACKAGE 82 nH 50MHz RF INDUCTOR DUAL ENDED 80 GENERAL PURPOSE INDUCTOR 1211 Ceramic 0.082 µH 80 160mOhm 1.1A
CDRH8D28NP-7R3NC CDRH8D28NP-7R3NC Sumida America Components Inc. 0.8028
Add to Cart

Min: 1

Mult: 1

0.00000000 download 19 Weeks Surface Mount Cut Tape (CT) 2012 CDRH8D28 yes Discontinued 1 (Unlimited) 2 SMD/SMT EAR99 8.3mm ROHS3 Compliant Lead Free 3.4A No Nonstandard 3mm Surface Mount -40°C~100°C 0.315Lx0.315W 8.00mmx8.00mm 0.118 3.00mm 8504.50.80.00 TR 1 YES WRAPAROUND ±30% RECTANGULAR PACKAGE 7.3μH 100kHz 39mOhm Max POWER INDUCTOR DUAL ENDED GENERAL PURPOSE INDUCTOR 3232 Ferrite 3.4A 2.8A
L06031R2CGWTR L06031R2CGWTR AVX Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 14 Weeks Surface Mount Tape & Reel (TR) 2011 Accu-L® no Active 1 (Unlimited) 2 SMD/SMT EAR99 910μm Non-RoHS Compliant Lead Free 1A 0603 (1608 Metric) not_compliant 610μm 610μm Surface Mount 2.012816mg -55°C~125°C 0.063Lx0.032W 1.60mmx0.81mm 0.028 0.71mm 8504.50.80.00 TR 1 10GHz Thin Film e0 Tin/Lead (Sn63Pb37) - with Nickel (Ni) barrier Unshielded WRAPAROUND Thin Film 1608 0603 ±0.2nH Rectangular RECTANGULAR PACKAGE 1.2nH 450MHz 40mOhm Max RF INDUCTOR DUAL ENDED 24 Non-Magnetic 49 1A INDUCTANCE TOLERANCE IS 0.1, 0.2 NANO HENRY 49 @ 450MHz
MLP2012S3R3MT MLP2012S3R3MT TDK Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 14 Weeks Surface Mount Cut Tape 2006 yes Active 2 EAR99 125°C -40°C 1.45mm 2.2mm RoHS Compliant No SVHC 8504.50.80.00 1 Shielded WRAPAROUND 2012 0805 20% RECTANGULAR PACKAGE 3.3 μH 2MHz POWER INDUCTOR DUAL ENDED GENERAL PURPOSE INDUCTOR Not Ferrite 3.3 µH 20% 190mOhm 900mA 900mA DCR IS MEASURED AT 30% TOLERANCE
MSS1246T-274KLB MSS1246T-274KLB Coilcraft 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download ACTIVE (Last Updated: 21 hours ago) Surface Mount Cut Tape MSS1246T yes 2 SMD/SMT EAR99 125°C -40°C 12.3mm RoHS Compliant Contains Lead No SVHC 4.8mm 12.3mm 8504.50.80.00 TR 1 4.7MHz e3 Matte Tin (Sn) - with Nickel (Ni) barrier Shielded WRAPAROUND 10% RECTANGULAR PACKAGE 270 μH 100kHz POWER INDUCTOR DUAL ENDED GENERAL PURPOSE INDUCTOR 4747 Ferrite 270 µH 10% 622.4mOhm 950mA 950mA 1.12A
1945R-01K 1945R-01K API Delevan Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 15 Weeks Through Hole Tape & Reel (TR) 2010 1945R yes Active Not Applicable 2 EAR99 4.9mm ROHS3 Compliant 1.6A No Axial Through Hole -55°C~125°C 0.193Diax0.447L 4.90mmx11.35mm 8504.50.80.00 TR, 14 INCH 1 88MHz Molded 33.02mm e3 Tin (Sn) NO WIRE ±10% TUBULAR PACKAGE 2.7μH 7.9MHz 110mOhm RF INDUCTOR 55 Iron 55 1.6A Q MEASURED AT 10 MHz 55 @ 10MHz
PM0805G-220J PM0805G-220J Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2003 PM0805G Obsolete 1 (Unlimited) EAR99 Non-RoHS Compliant Contains Lead 5mA 0805 (2012 Metric) Surface Mount -25°C~105°C 0.079Lx0.049W 2.00mmx1.25mm 0.049 1.25mm 8504.50.80.00 16MHz Multilayer Shielded ±5% 22μH 1MHz 1.1Ohm Max Ferrite 30 @ 1MHz 1MHz
AIAC-2712C-17N5J-T AIAC-2712C-17N5J-T Abracon LLC 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Surface Mount Tape & Reel (TR) 2006 AIAC-2712C Active 1 (Unlimited) SMD/SMT 125°C -40°C 5.9944mm RoHS Compliant 3.5A Nonstandard 6mm 2.4892mm Surface Mount -40°C~125°C 0.236Lx0.098W 6.00mmx2.50mm 0.110 2.80mm 2.2GHz Wirewound Unshielded Wirewound ±5% 3.5A 17.5nH 150MHz 4.5mOhm Max Air 100 3.5A 100 @ 150MHz 150MHz
105R-181MS 105R-181MS API Delevan Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tape & Reel (TR) 2010 105R yes Active 1 (Unlimited) 2 SMD/SMT EAR99 2.79mm ROHS3 Compliant 710mA No 2 Nonstandard, 2 Lead 1.91mm Surface Mount 50.008559mg -55°C~125°C 0.100Lx0.100W 2.54mmx2.54mm 0.075 1.91mm 8504.50.80.00 1 405MHz e1 Tin/Silver/Copper (Sn95.5Ag3.8Cu0.7) NO WRAPAROUND ±20% RECTANGULAR PACKAGE 180nH 25MHz 190mOhm Max RF INDUCTOR DUAL ENDED 40 GENERAL PURPOSE INDUCTOR Iron 710mA 40 @ 25MHz
HCB1065-211L1 HCB1065-211L1 Delta Electronics/Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) HCB1065 Active 1 (Unlimited) EAR99 ROHS3 Compliant Nonstandard Surface Mount -40°C~125°C 0.409Lx0.315W 10.40mmx8.00mm 0.256 6.50mm 8504.50.80.00 Unshielded ±20% 54A 215nH 0.41mOhm GENERAL PURPOSE INDUCTOR 47A 100kHz
0402HP-4N7XGLU 0402HP-4N7XGLU Coilcraft 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks ACTIVE (Last Updated: 9 hours ago) Cut Tape 2008 yes Active 2 SMD/SMT EAR99 125°C -40°C 1.09mm RoHS Compliant Contains Lead 1.5A No SVHC 610μm 710μm 652.039032μg 8504.50.80.00 TR 1 6.85GHz Silver/Palladium/Platinum - with Glass frit YES NO WRAPAROUND 1005 0402 2% Rectangular RECTANGULAR PACKAGE 4.7 nH 250MHz RF INDUCTOR DUAL ENDED 58 GENERAL PURPOSE INDUCTOR Ceramic 0.0047 µH 2% 83 60mOhm 1.5A
0603CS-331EJTS 0603CS-331EJTS Delta Electronics/Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 0603CS yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant 0603 (1608 Metric) Surface Mount -40°C~125°C 0.071Lx0.046W 1.80mmx1.16mm 0.040 1.02mm 8504.50.80.00 1 900MHz Wirewound YES Unshielded WRAPAROUND ±5% 100mA RECTANGULAR PACKAGE 330nH 100MHz 3.8Ohm RF INDUCTOR DUAL ENDED 25 0.1A Ceramic 25 @ 100MHz 100MHz
ASPI-0412FS-4R7M-T4 ASPI-0412FS-4R7M-T4 Abracon LLC 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Surface Mount Tape & Reel (TR) 2009 ASPI-0412FS Active 1 (Unlimited) 2 SMD/SMT RoHS Compliant 1.15A Nonstandard 1.1938mm Surface Mount -25°C~125°C 0.157Lx0.157W 4.00mmx4.00mm 0.047 1.20mm 1 Wirewound YES WRAPAROUND ±20% 1.05A RECTANGULAR PACKAGE 4.7μH 100kHz 228mOhm Max POWER INDUCTOR DUAL ENDED 4040-12M Nickel Zinc Ferrite (NiZn) 1.15A
SDR1307A-150M SDR1307A-150M Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Surface Mount Tape & Reel (TR) 2004 SDR1307A Active 1 (Unlimited) EAR99 ROHS3 Compliant 4.5A No Nonstandard No SVHC 7mm Surface Mount -40°C~125°C 0.512Dia 13.00mm 0.287 7.30mm AEC-Q200 8504.50.80.00 17MHz Wirewound e3 Tin (Sn) - with Nickel (Ni) barrier Unshielded ±20% 15μH 100kHz 34mOhm Max Not Ferrite 20% 4.5A 4.5A 7.5A 28 @ 2.52MHz
DS6630-680M DS6630-680M TE Connectivity 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tape & Reel (TR) 85°C -40°C 6.604mm Non-RoHS Compliant Contains Lead 400mA Nonstandard 4.4958mm 2.921mm Shielded 20% 68 μH 100kHz 290mOhm
TR022100KA15 TR022100KA15 Vishay Sfernice 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 36 Weeks Tape & Box (TB) 2017 Active Not Applicable ROHS3 Compliant
0603HP-9N1XGLW 0603HP-9N1XGLW Coilcraft 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download ACTIVE (Last Updated: 10 hours ago) yes 2 SMD/SMT EAR99 125°C -40°C 1.75mm RoHS Compliant Contains Lead 0603 940μm 1.09mm 8504.50.80.00 TR, PUNCHED PAPER, 7 INCH 1 5.1GHz Silver/Palladium/Platinum - with Glass frit YES NO WRAPAROUND 2% Rectangular RECTANGULAR PACKAGE 9.1 nH 250MHz RF INDUCTOR DUAL ENDED GENERAL PURPOSE INDUCTOR Ceramic 0.0091 µH 109 37mOhm 1.4A
1130-332K 1130-332K Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Bulk 2006 1130 no Obsolete 1 (Unlimited) 2 Radial EAR99 27.94mm Non-RoHS Compliant Contains Lead 1.3A Radial, Vertical Cylinder 19.05mm Through Hole -55°C~105°C 1.100Dia 27.94mm 0.840 21.34mm 8504.50.80.00 1 Wirewound 12.7mm e3 Tin (Sn) NO ±10% Epoxy Coated CYLINDRICAL PACKAGE 3.3mH 1kHz 1.27Ohm Max HIGH CURRENT INDUCTOR Ferrite 1.3A
CM100505-1N8DL CM100505-1N8DL Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2008 CM100505 yes Obsolete 1 (Unlimited) SMD/SMT EAR99 600μm ROHS3 Compliant 400mA No 0402 (1005 Metric) 508μm Surface Mount 652.039032μg -40°C~100°C 0.039Lx0.020W 1.00mmx0.50mm 0.024 0.60mm 8504.50.80.00 6GHz Wirewound Unshielded 1005 0402 ±0.3nH 1.8nH 100MHz 80mOhm Max Not Alumina 400mA 400mA 8 @ 100MHz
IHLP5050EZER8R2M5A IHLP5050EZER8R2M5A Vishay Dale 2.7644
Add to Cart

Min: 1

Mult: 1

0.00000000 download 36 Weeks Tape & Reel (TR) IHLP-5050EZ-5A Active 1 (Unlimited) ROHS3 Compliant Nonstandard Surface Mount -55°C~155°C 0.530Lx0.508W 13.46mmx12.90mm 0.197 5.00mm AEC-Q200 11.4MHz Molded Shielded ±20% 12.85A 8.2μH 16.6mOhm Max 9.83A 100kHz
LQH32PNR47NNCL LQH32PNR47NNCL Murata Electronics 0.3540
Add to Cart

Min: 1

Mult: 1

0.00000000 download 8 Weeks IN PRODUCTION (Last Updated: 1 month ago) Surface Mount Tape & Reel (TR) LQH32 Active 1 (Unlimited) 2 EAR99 2.5mm ROHS3 Compliant 2.9A No Nonstandard No SVHC 1.55mm Surface Mount -40°C~85°C 0.126Lx0.098W 3.20mmx2.50mm 0.087 2.20mm 8504.50.80.00 Tape, Embossed 1 100MHz Wirewound YES WRAPAROUND 3225 1210 ±30% RECTANGULAR PACKAGE 470nH 1MHz 28.8mOhm Max RF INDUCTOR DUAL ENDED Ferrite 30% 2.9A DCR TOLERANCE MEASURED AT 20% 4.4A
6000-150K 6000-150K Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Bulk 2006 6000 Obsolete Not Applicable 2 EAR99 9mm Non-RoHS Compliant Contains Lead 2.9A 2 Radial, Vertical Cylinder unknown 5mm 56mOhm Through Hole -55°C~105°C 0.354Dia 9.00mm 0.480 12.20mm 1 12MHz Wirewound 10mm NO ±10% Bobbin Core CYLINDRICAL PACKAGE 15μH 2.52MHz 56mOhm Max RF INDUCTOR 50 Not Ferrite Radial 50 2.9A 2.9A 50 @ 2.52MHz
CD105NP-101KC CD105NP-101KC Sumida America Components Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 16 Weeks Surface Mount Tape & Reel (TR) 2010 CD105 yes Active 1 (Unlimited) 2 EAR99 9.4mm ROHS3 Compliant Lead Free 970mA No Nonstandard 5.8mm Surface Mount 1.299996g -40°C~100°C 0.394Lx0.354W 10.00mmx9.00mm 0.228 5.80mm 8504.50.80.00 TR, 13 INCH 1 7.64MHz NO ONE SURFACE ±10% RECTANGULAR PACKAGE 100μH 1kHz 350mOhm Max POWER INDUCTOR DUAL ENDED GENERAL PURPOSE INDUCTOR 3935 Not Ferrite 970mA 970mA
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