Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

Single IGBTs

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 Length RoHS Status Lead Free Contact Plating Current Rating Radiation Hardening Number of Pins Additional Feature Package / Case REACH SVHC Reach Compliance Code Height Width Mounting Type Weight Operating Temperature Voltage - Rated DC Input Type HTS Code JESD-609 Code Terminal Finish Terminal Position Terminal Form Peak Reflow Temperature (Cel) Time@Peak Reflow Temperature-Max (s) Base Part Number Pin Count Surface Mount JESD-30 Code Subcategory Qualification Status Max Power Dissipation Power - Max Number of Elements Configuration JEDEC-95 Code Polarity Case Connection Polarity/Channel Type Element Configuration Power Dissipation Turn On Delay Time Max Breakdown Voltage Supplier Device Package Reverse Recovery Time Max Collector Current Collector Emitter Breakdown Voltage Collector Emitter Voltage (VCEO) Transistor Application Turn-Off Delay Time Transistor Element Material Rise Time Collector Emitter Saturation Voltage Turn On Time Vce(on) (Max) @ Vge, Ic Turn Off Time-Nom (toff) IGBT Type Gate-Emitter Voltage-Max Voltage - Collector Emitter Breakdown (Max) Current - Collector (Ic) (Max) Continuous Collector Current Gate-Emitter Thr Voltage-Max Fall Time-Max (tf) Test Condition Gate Charge Current - Collector Pulsed (Icm) Td (on/off) @ 25°C Switching Energy
IXGH32N60BD1 IXGH32N60BD1 IXYS / Littelfuse 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2003 HiPerFAST™ yes Obsolete 1 (Unlimited) 3 RoHS Compliant 3 TO-247-3 Through Hole 6.500007g -55°C~150°C TJ Standard NOT SPECIFIED NOT SPECIFIED IXG*32N60 3 Insulated Gate BIP Transistors Not Qualified 200W 200W 1 TO-247AD COLLECTOR N-CHANNEL Single 25 ns 60A 600V 600V MOTOR CONTROL SILICON 50 ns 2.3V @ 15V, 32A 240 ns 20V 5V 150ns 480V, 32A, 4.7 Ω, 15V 110nC 120A 25ns/100ns 600μJ (off)
STGP7H60DF STGP7H60DF STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 20 Weeks ACTIVE (Last Updated: 7 months ago) Through Hole Tube Active 1 (Unlimited) EAR99 ROHS3 Compliant TO-220-3 Through Hole -55°C~175°C TJ Standard NOT SPECIFIED NOT SPECIFIED STGP7 88W 88W 136 ns 14A 600V 1.95V 1.95V @ 15V, 7A Trench Field Stop 400V, 7A, 47 Ω, 15V 46nC 28A 30ns/160ns 99μJ (on), 100μJ (off)
IRGP4269DPBF IRGP4269DPBF Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 2016 Obsolete 1 (Unlimited) RoHS Compliant
HGTP20N60A4 HGTP20N60A4 ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 44 Weeks ACTIVE, NOT REC (Last Updated: 2 days ago) Through Hole Tube yes Not For New Designs 1 (Unlimited) 3 EAR99 10.67mm ROHS3 Compliant Lead Free Tin 70A No 3 LOW CONDUCTION LOSS TO-220-3 No SVHC 9.4mm 4.83mm Through Hole 1.8g -55°C~150°C TJ 600V Standard 8541.29.00.95 e3 290W 1 COLLECTOR N-CHANNEL Single 290W 15 ns 70A 600V 600V POWER CONTROL 73 ns SILICON 12ns 1.8V 28 ns 2.7V @ 15V, 20A 160 ns 70A 390V, 20A, 3 Ω, 15V 142nC 280A 15ns/73ns 105μJ (on), 150μJ (off)
IXDH35N60B IXDH35N60B IXYS / Littelfuse 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 32 Weeks Through Hole Tube 2000 yes Active 1 (Unlimited) 3 ROHS3 Compliant 3 HIGH SPEED TO-3P-3 Full Pack Through Hole 6.500007g -55°C~150°C TJ Standard NOT SPECIFIED NOT SPECIFIED IXD*35N60 3 Insulated Gate BIP Transistors Not Qualified 250W 250W 1 TO-247AD COLLECTOR N-CHANNEL Single 60A 600V 600V MOTOR CONTROL SILICON 2.1V 75 ns 2.7V @ 15V, 35A 390 ns NPT 20V 5V 300V, 35A, 10 Ω, 15V 120nC 70A 1.6mJ (on), 800μJ (off)
IXSH24N60U1 IXSH24N60U1 IXYS / Littelfuse 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2000 HiPerFAST™ yes Obsolete 1 (Unlimited) 3 RoHS Compliant TO-247-3 Through Hole 6.500007g -55°C~150°C TJ Standard SINGLE NOT SPECIFIED NOT SPECIFIED IXS*24N60 3 R-PSFM-T3 Insulated Gate BIP Transistors Not Qualified 150W 150W 1 SINGLE WITH BUILT-IN DIODE TO-247AD COLLECTOR N-CHANNEL 50 ns 48A 600V 2.2V MOTOR CONTROL SILICON 300 ns 2.2V @ 15V, 24A 1075 ns 20V 6V 480V, 24A, 10 Ω, 15V 75nC 96A 100ns/450ns 2mJ (off)
STGP10NB60SFP STGP10NB60SFP STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube PowerMESH™ Obsolete 1 (Unlimited) 3 ROHS3 Compliant 3 TO-220-3 Full Pack not_compliant Through Hole -55°C~150°C TJ Standard e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED STGP10 3 Insulated Gate BIP Transistors Not Qualified 25W 25W 1 TO-220AB ISOLATED N-CHANNEL Single 23A 600V 600V MOTOR CONTROL SILICON 1160 ns 1.75V @ 15V, 10A 20V 5V 480V, 10A, 1k Ω, 15V 33nC 80A 700ns/1.2μs 600μJ (on), 5mJ (off)
IXGX100N160A IXGX100N160A IXYS / Littelfuse 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Through Hole Tube 2012 Active 1 (Unlimited) ROHS3 Compliant TO-247-3 Through Hole
AUIRG4PH50S AUIRG4PH50S Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Through Hole Tube 2007 Not For New Designs 1 (Unlimited) 3 EAR99 15.87mm ROHS3 Compliant No 3 TO-247-3 No SVHC 20.7mm 5.3086mm Through Hole -55°C~150°C TJ Standard Insulated Gate BIP Transistors 200W 1 TO-247AC COLLECTOR N-CHANNEL Single 200W 57A 1.2kV 1.7V SILICON 1.7V 62 ns 1.7V @ 15V, 33A 2170 ns 20V 1200V 6V 960V, 33A, 5 Ω, 15V 167nC 114A 32ns/845ns 1.8mJ (on), 19.6mJ (off)
AUXMIGP4063D AUXMIGP4063D Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Obsolete 1 (Unlimited)
IXGH20N120A3 IXGH20N120A3 IXYS / Littelfuse 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 26 Weeks Through Hole Tube 2001 GenX3™ yes Active 1 (Unlimited) 3 EAR99 ROHS3 Compliant 3 LOW CONDUCTION LOSS TO-247-3 No SVHC Through Hole 6.500007g -55°C~150°C TJ Standard e1 Tin/Silver/Copper (Sn/Ag/Cu) NOT SPECIFIED NOT SPECIFIED IXG*20N120 3 Insulated Gate BIP Transistors Not Qualified 180W 1 TO-247AD COLLECTOR N-CHANNEL Single 180W 40A 1.2kV 2.5V POWER CONTROL SILICON 2.3V 66 ns 2.5V @ 15V, 20A 1530 ns PT 20V 1200V 5V 960V, 20A, 10 Ω, 15V 50nC 120A 16ns/290ns 2.85mJ (on), 6.47mJ (off)
IRGS10B60KDPBF IRGS10B60KDPBF Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tube 2012 Obsolete 1 (Unlimited) 2 EAR99 10.668mm RoHS Compliant Lead Free 22A No 3 TO-263-3, D2Pak (2 Leads + Tab), TO-263AB 4.699mm 9.652mm Surface Mount -55°C~150°C TJ 600V Standard e3 Matte Tin (Sn) - with Nickel (Ni) barrier GULL WING 260 30 IRGS10B60KDPBF R-PSSO-G2 Insulated Gate BIP Transistors 156W 1 COLLECTOR N-CHANNEL Single 156W 90 ns 22A 600V 2.2V MOTOR CONTROL SILICON 20ns 1.8V 50 ns 2.2V @ 15V, 10A 276 ns NPT 20V 5.5V 400V, 10A, 47 Ω, 15V 38nC 44A 30ns/230ns 140μJ (on), 250μJ (off)
IXYA15N65C3D1 IXYA15N65C3D1 IXYS / Littelfuse 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 28 Weeks GenX3™, XPT™ Active TO-263-3, D2Pak (2 Leads + Tab), TO-263AB compliant Surface Mount -55°C~175°C TJ Standard 200W 20ns 2.5V @ 15V, 15A PT 650V 38A 400V, 15A, 20 Ω, 15V 19nC 80A 15ns/68ns 270μJ (on), 230μJ (off)
IXBK75N170 IXBK75N170 IXYS / Littelfuse 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 28 Weeks Through Hole Tube 2003 BIMOSFET™ yes Active 1 (Unlimited) 3 ROHS3 Compliant TO-264-3, TO-264AA Through Hole -55°C~150°C TJ Standard e1 Tin/Silver/Copper (Sn/Ag/Cu) NOT SPECIFIED NOT SPECIFIED IXB*75N170 3 R-PSFM-T3 Insulated Gate BIP Transistors Not Qualified 1.04kW 1040W 1 COLLECTOR N-CHANNEL Single 1.5 μs 200A 1.7kV 3.1V POWER CONTROL SILICON 277 ns 3.1V @ 15V, 75A 840 ns 20V 1700V 5.5V 350nC 580A
IRG7CH37K10EF IRG7CH37K10EF Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 16 Weeks Bulk 2013 Active 1 (Unlimited) EAR99 ROHS3 Compliant Die Surface Mount -40°C~175°C TJ Standard Insulated Gate BIP Transistors N-CHANNEL 2.3V @ 15V, 15A 30V 1200V 15A 7.5V 600V, 15A, 10 Ω, 15V 80nC 28ns/122ns
IRGP4740DPBF IRGP4740DPBF Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant TO-247-3 Through Hole -40°C~175°C TJ Standard 250W TO-247AD 170ns 2V @ 15V, 24A 650V 60A 400V, 24A, 10Ohm, 15V 70nC 72A 24ns/73ns 520μJ (on), 240μJ (off)
SGF5N150UFTU SGF5N150UFTU ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 44 Weeks ACTIVE (Last Updated: 1 week ago) Through Hole Tube 2003 yes Obsolete 1 (Unlimited) 3 EAR99 RoHS Compliant Lead Free 5A No 3 LOW CONDUCTION LOSS, HIGH SPEED SWITCHING TO-3P-3 Full Pack No SVHC Through Hole 6.962g -55°C~150°C TJ 1.5kV Standard 8541.29.00.95 e3 Tin (Sn) Insulated Gate BIP Transistors 62.5W 1 ISOLATED N-CHANNEL Single 62.5W 10 ns 10A 1.5kV 1.5kV POWER CONTROL 30 ns SILICON 4.7V 25 ns 5.5V @ 10V, 5A 100 ns 20V 1500V 4V 120ns 600V, 5A, 10 Ω, 10V 30nC 20A 10ns/30ns 190μJ (on), 100μJ (off)
RGTH60TK65GC11 RGTH60TK65GC11 ROHM Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 17 Weeks Active 1 (Unlimited) 3 ROHS3 Compliant TO-3PFM, SC-93-3 not_compliant Through Hole -40°C~175°C TJ Standard SINGLE NOT SPECIFIED NOT SPECIFIED NO R-PSFM-T3 61W 1 SINGLE ISOLATED N-CHANNEL POWER CONTROL SILICON 67 ns 2.1V @ 15V, 30A 179 ns Trench Field Stop 650V 28A 400V, 30A, 10 Ω, 15V 58nC 120A 27ns/105ns
IRG4PH50KDPBF IRG4PH50KDPBF Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Through Hole Tube 2000 Last Time Buy 1 (Unlimited) 3 Through Hole EAR99 15.875mm ROHS3 Compliant Lead Free 45A No 3 LOW CONDUCTION LOSS TO-247-3 No SVHC 20.3mm 5.3mm Through Hole -55°C~150°C TJ 1.2kV Standard Insulated Gate BIP Transistors 200W 1 TO-247AC COLLECTOR N-CHANNEL Single 200W 87 ns 90 ns 45A 1.2kV 3.5V MOTOR CONTROL 140 ns SILICON 100ns 2.77V 139 ns 3.5V @ 15V, 24A 700 ns 20V 1200V 6V 800V, 24A, 5 Ω, 15V 180nC 90A 87ns/140ns 3.83mJ (on), 1.9mJ (off)
RGCL80TK60DGC11 RGCL80TK60DGC11 ROHM Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 17 Weeks 2016 Active 1 (Unlimited) 3 ROHS3 Compliant TO-3PFM, SC-93-3 not_compliant Through Hole -40°C~175°C TJ Standard SINGLE NOT SPECIFIED NOT SPECIFIED NO R-PSFM-T3 57W 1 SINGLE WITH BUILT-IN DIODE ISOLATED N-CHANNEL 58ns POWER CONTROL SILICON 114 ns 1.8V @ 15V, 40A 565 ns Trench Field Stop 600V 35A 400V, 40A, 10 Ω, 15V 98nC 160A 53ns/227ns 1.11mJ (on), 1.68mJ (off)
STGWT20H65FB STGWT20H65FB STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 32 Weeks ACTIVE (Last Updated: 7 months ago) Through Hole Tube Active 1 (Unlimited) EAR99 ROHS3 Compliant 3 TO-3P-3, SC-65-3 Through Hole 6.756003g -55°C~175°C TJ Standard NOT SPECIFIED NOT SPECIFIED STGWT20 Insulated Gate BIP Transistors 168W 168W N-CHANNEL Single 40A 650V 650V 1.55V 2V @ 15V, 20A Trench Field Stop 20V 7V 400V, 20A, 10 Ω, 15V 120nC 80A 30ns/139ns 77μJ (on), 170μJ (off)
IXYH100N65A3 IXYH100N65A3 IXYS / Littelfuse 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 28 Weeks Tube XPT™, GenX3™ Active TO-247-3 compliant Through Hole -55°C~175°C TJ Standard 470W 64ns 1.8V @ 15V, 70A 650V 240A 400V, 50A, 2 Ω, 15V 178nC 480A 24ns/174ns 3.15mJ (on), 2.2mJ (off)
IRG4BC40UPBF IRG4BC40UPBF Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 16 Weeks Through Hole Tube 2000 Last Time Buy 1 (Unlimited) 3 Through Hole EAR99 10.668mm ROHS3 Compliant Contains Lead, Lead Free 40A No 3 ULTRA FAST SWITCHING TO-220-3 No SVHC 16.51mm 4.826mm Through Hole -55°C~150°C TJ 600V Standard Insulated Gate BIP Transistors 160W 1 TO-220AB COLLECTOR N-CHANNEL Single 160W 34 ns 40A 600V 2.1V POWER CONTROL 110 ns SILICON 19ns 2.1V 49 ns 2.1V @ 15V, 20A 380 ns 20V 6V 180ns 480V, 20A, 10 Ω, 15V 100nC 160A 34ns/110ns 320μJ (on), 350μJ (off)
AFGHL50T65SQDC AFGHL50T65SQDC ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Automotive, AEC-Q101 yes Active Not Applicable ROHS3 Compliant TO-247-3 Variant not_compliant Through Hole -55°C~175°C TJ Standard e3 Tin (Sn) 238W 2.1V @ 15V, 50A Field Stop 650V 100A 400V, 12.5A, 4.7 Ω, 15V 94nC 200A 17.6ns/94.4ns 131μJ (on), 96μJ (off)
SGH10N60RUFDTU SGH10N60RUFDTU ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download ACTIVE, NOT REC (Last Updated: 2 weeks ago) Through Hole Tube yes Not For New Designs 1 (Unlimited) 3 EAR99 ROHS3 Compliant Lead Free 10A No 3 LOW CONDUCTION LOSS, HIGH SPEED SWITCHING TO-3P-3, SC-65-3 Through Hole 6.401g -55°C~150°C TJ 600V Standard 8541.29.00.95 e3 Tin (Sn) SG*10N60 75W 1 N-CHANNEL Single 75W 60ns 16A 600V 600V MOTOR CONTROL SILICON 2.2V 49 ns 2.8V @ 15V, 10A 284 ns 300V, 10A, 20 Ω, 15V 30nC 30A 15ns/36ns 141μJ (on), 215μJ (off)
IRG7PH42UD2PBF IRG7PH42UD2PBF Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2009 Obsolete 1 (Unlimited) 3 EAR99 RoHS Compliant 3 TO-247-3 Through Hole -55°C~150°C TJ Standard e3 MATTE TIN OVER NICKEL 250 30 IRG7PH42 Insulated Gate BIP Transistors Not Qualified 321W 321W 1 TO-247AC COLLECTOR N-CHANNEL Single 60A 1.2kV 2.02V POWER CONTROL SILICON 2.02V @ 15V, 30A 470 ns Trench 1200V 6V 85ns 600V, 30A, 10 Ω, 15V 234nC 90A -/233ns 1.32mJ (off)
IRG4BC30FD1PBF IRG4BC30FD1PBF Infineon Technologies 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 16 Weeks Through Hole Tube 2000 Obsolete 1 (Unlimited) 3 Through Hole EAR99 10.54mm RoHS Compliant Lead Free 31A No 3 TO-220-3 No SVHC 15.24mm 4.69mm Through Hole -55°C~150°C TJ 600V Standard Insulated Gate BIP Transistors 100W 1 TO-220AB COLLECTOR N-CHANNEL Single 100W 46 ns 31A 600V 1.8V POWER CONTROL SILICON 24ns 1.8V 46 ns 1.8V @ 15V, 17A 740 ns 20V 6V 480V, 17A, 23 Ω, 15V 57nC 124A 22ns/250ns 370μJ (on), 1.42mJ (off)
FGY100T65SCDT FGY100T65SCDT ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks ACTIVE (Last Updated: 4 days ago) Tube 2016 yes Active RoHS Compliant TO-247-3 Through Hole -55°C~175°C TJ Standard e3 Tin (Sn) NOT SPECIFIED NOT SPECIFIED 750W 62ns 1.9V @ 15V, 100A Trench Field Stop 650V 200A 400V, 100A, 4.7 Ω, 15V 157nC 300A 84ns/216ns 5.4mJ (on), 3.8mJ (off)
STGB20NC60VT4 STGB20NC60VT4 STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) PowerMESH™ yes Obsolete 1 (Unlimited) 2 EAR99 ROHS3 Compliant No 3 TO-263-3, D2Pak (2 Leads + Tab), TO-263AB Surface Mount -55°C~150°C TJ Standard e3 Matte Tin (Sn) - annealed GULL WING 245 STGB20 4 R-PSSO-G2 Insulated Gate BIP Transistors 200W 200W 1 N-CHANNEL Single 600V 60A 600V 600V POWER CONTROL SILICON 42.5 ns 2.5V @ 15V, 20A 280 ns 20V 5.75V 390V, 20A, 3.3 Ω, 15V 100nC 100A 31ns/100ns 220μJ (on), 330μJ (off)
HGTG18N120BND HGTG18N120BND ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks ACTIVE (Last Updated: 2 days ago) Through Hole Tube 2011 yes Active 1 (Unlimited) 3 EAR99 15.87mm ROHS3 Compliant Lead Free 54A No 3 LOW CONDUCTION LOSS TO-247-3 No SVHC 20.82mm 4.82mm Through Hole 6.39g -55°C~150°C TJ 1.2kV Standard 8541.29.00.95 Insulated Gate BIP Transistors 390W 1 NPN Single 390W 23 μs 75 ns 54A 1.2kV 1.2kV MOTOR CONTROL 170 μs SILICON 22ns 2.45V 38 ns 2.7V @ 15V, 18A 345 ns NPT 20V 1200V 200ns 960V, 18A, 3 Ω, 15V 165nC 160A 23ns/170ns 1.9mJ (on), 1.8mJ (off)
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