Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

Rectifier Diode Array

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 ECCN Code Max Operating Temperature Min Operating Temperature RoHS Status Lead Free Contact Plating Current Rating Radiation Hardening Number of Pins Additional Feature Package / Case Reach Compliance Code Mounting Type Weight Voltage - Rated DC Capacitance 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 Operating Temperature (Max) Subcategory Qualification Status Max Power Dissipation Diode Element Material Number of Elements Diode Type Output Current-Max Application Number of Phases Rep Pk Reverse Voltage-Max JEDEC-95 Code Non-rep Pk Forward Current-Max Forward Current Forward Voltage Circuit Type Max Surge Current Element Configuration Max Reverse Leakage Current Supplier Device Package Speed Current - Reverse Leakage @ Vr Voltage - Forward (Vf) (Max) @ If Operating Temperature - Junction Max Reverse Voltage (DC) Average Rectified Current Peak Reverse Current Max Repetitive Reverse Voltage (Vrrm) Peak Non-Repetitive Surge Current Diode Configuration Max Forward Surge Current (Ifsm) Voltage - DC Reverse (Vr) (Max) Current - Average Rectified (Io) Reverse Current-Max Reverse Recovery Time Reverse Voltage Recovery Time Forward Voltage-Max RMS Current (Irms)
VS-MBRB2035CT-M3 VS-MBRB2035CT-M3 Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2017 Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant FREE WHEELING DIODE TO-263-3, D2Pak (2 Leads + Tab), TO-263AB Surface Mount 8541.10.00.80 e3 Matte Tin (Sn) SINGLE GULL WING 260 40 R-PSSO-G2 150°C SILICON 2 Schottky GENERAL PURPOSE 1 150A Common Cathode Fast Recovery =< 500ns, > 200mA (Io) 100μA @ 35V 570mV @ 10A -65°C~150°C 35V 10A 1 Pair Common Cathode 100μA
BYQ28EF-150HE3/45 BYQ28EF-150HE3/45 Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 29 Weeks Through Hole Tube 2011 yes Active 1 (Unlimited) 3 EAR99 150°C -40°C ROHS3 Compliant Tin 3 FREE WHEELING DIODE, HIGH RELIABILITY TO-220-3 Full Pack, Isolated Tab unknown Through Hole 8541.10.00.80 e3 SINGLE NOT APPLICABLE NOT APPLICABLE 3 Rectifier Diodes Not Qualified SILICON 2 Standard 5A EFFICIENCY 1 TO-220AB 10A 55A Common Cathode Fast Recovery =< 500ns, > 200mA (Io) 10μA @ 150V 1.1V @ 5A -40°C~150°C 150V 5A 10μA 150V 55A 1 Pair Common Cathode 25 ns 150V 25 ns
FEPE16JT-E3/45 FEPE16JT-E3/45 Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Through Hole Tape & Reel (TR) 2017 Obsolete 1 (Unlimited) 3 EAR99 ROHS3 Compliant FREE WHEELING DIODE TO-220-3 unknown Through Hole 8541.10.00.80 SINGLE R-PSFM-T3 150°C SILICON 2 Standard 8A EFFICIENCY 1 TO-220AB 125A Common Cathode Fast Recovery =< 500ns, > 200mA (Io) 10μA @ 600V 1.5V @ 8A -55°C~150°C 600V 8A 1 Pair Common Cathode 10μA 50 ns
VS-30CTQ040PBF VS-30CTQ040PBF Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 11 Weeks Through Hole Tube 2006 Discontinued 1 (Unlimited) EAR99 175°C -55°C ROHS3 Compliant No 3 TO-220-3 Through Hole Schottky 30A 760mV 850A Common Cathode 550μA Fast Recovery =< 500ns, > 200mA (Io) 2mA @ 40V 620mV @ 15A -55°C~175°C 2mA 40V 1.06kA 1 Pair Common Cathode 15A
VS-VSKC71/14 VS-VSKC71/14 Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Chassis Mount, Screw Bulk 2016 Active 1 (Unlimited) 3 EAR99 150°C -40°C ROHS3 Compliant 80A No 3 UL APPROVED ADD-A-PAK (3) Chassis Mount UPPER UNSPECIFIED SILICON 2 Standard HIGH VOLTAGE 1 TO-240AA 80A Diodes Common Cathode Standard Recovery >500ns, > 200mA (Io) 10mA @ 1400V -40°C~150°C 1.4kV 40A 10mA 1.4kV 1.57kA 1 Pair Series Connection 1400V 1.6V 126A
VS-6CVH01HM3/I VS-6CVH01HM3/I Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 53 Weeks Tape & Reel (TR) Automotive, AEC-Q101, FRED Pt® Active 1 (Unlimited) ROHS3 Compliant TO-252-3, DPak (2 Leads + Tab), SC-63 Surface Mount Standard SlimDPAK Fast Recovery =< 500ns, > 200mA (Io) 5μA @ 100V 1.2V @ 6A -55°C~175°C 1 Pair Common Cathode 100V 3A 25ns
VS-HFA12PA120CPBF VS-HFA12PA120CPBF Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Through Hole Tube 2004 HEXFRED® Obsolete 1 (Unlimited) 3 EAR99 150°C -55°C ROHS3 Compliant 3 LOW NOISE TO-247-3 unknown Through Hole 8541.10.00.80 e3 Matte Tin (Sn) - with Nickel (Ni) barrier SINGLE NOT APPLICABLE NOT APPLICABLE 3 Rectifier Diodes Not Qualified SILICON 2 Standard 6A EFFICIENCY 1 TO-247AC 12A 80A Common Cathode Fast Recovery =< 500ns, > 200mA (Io) 5μA @ 1200V 3V @ 6A -55°C~150°C 5μA 1.2kV 80A 1 Pair Common Cathode 1200V 6A DC 80 ns 1.2kV 80 ns
VS-MBR2090CT-1-M3 VS-MBR2090CT-1-M3 Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Through Hole Tape & Reel (TR) 2017 Active 1 (Unlimited) 3 EAR99 ROHS3 Compliant FREE WHEELING DIDOE TO-262-3 Long Leads, I2Pak, TO-262AA Through Hole 8541.10.00.80 e3 Matte Tin (Sn) SINGLE 245 30 R-PSIP-T3 150°C SILICON 2 Schottky GENERAL PURPOSE 1 150A Common Cathode Fast Recovery =< 500ns, > 200mA (Io) 100μA @ 90V 800mV @ 10A -55°C~150°C 90V 10A 1 Pair Common Cathode 100μA
VS-83CNQ100ASMPBF VS-83CNQ100ASMPBF Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount, Through Hole Bulk 2014 yes Obsolete 1 (Unlimited) 3 EAR99 175°C -55°C ROHS3 Compliant 3 FREE WHEELING DIODE, HIGH RELIABILITY, LOW LEAKAGE CURRENT D-61-8-SM Through Hole 8541.10.00.80 SINGLE NOT SPECIFIED NOT SPECIFIED 3 Rectifier Diodes Not Qualified SILICON 2 Schottky HIGH POWER 1 80A 1V Common Cathode Fast Recovery =< 500ns, > 200mA (Io) 1.5mA @ 80V 810mV @ 40A -55°C~175°C 100V 40A 1.5mA 100V 7kA 1 Pair Common Cathode
VF40M120C-M3/4W VF40M120C-M3/4W Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Through Hole Tube 2016 TMBS® Active 1 (Unlimited) 3 EAR99 ROHS3 Compliant FREE WHEELING DIODE, LOW POWER LOSS TO-220-3 Full Pack, Isolated Tab unknown Through Hole 8541.10.00.80 e3 Matte Tin (Sn) SINGLE NOT SPECIFIED NOT SPECIFIED R-PSFM-T3 150°C SILICON 2 Schottky EFFICIENCY 1 TO-220AB 250A Common Cathode Fast Recovery =< 500ns, > 200mA (Io) 500μA @ 120V 890mV @ 20A -40°C~150°C 120V 20A 1 Pair Common Cathode 500μA
MB10H100CTHE3_A/I MB10H100CTHE3_A/I Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 29 Weeks Tape & Reel (TR) 2017 Automotive, AEC-Q101 Active 1 (Unlimited) ROHS3 Compliant TO-263-3, D2Pak (2 Leads + Tab), TO-263AB Surface Mount Schottky TO-263AB Fast Recovery =< 500ns, > 200mA (Io) 3.5μA @ 100V 760mV @ 5A -65°C~175°C 1 Pair Common Cathode 100V 5A
12CWQ03FNTRR 12CWQ03FNTRR Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2007 Obsolete 1 (Unlimited) 150°C -55°C Non-RoHS Compliant TO-252-3, DPak (2 Leads + Tab), SC-63 Surface Mount 12CWQ03 Schottky 320A Common Cathode 3mA D-Pak Fast Recovery =< 500ns, > 200mA (Io) 3mA @ 30V 470mV @ 6A -55°C~150°C 30V 6A 1 Pair Common Cathode 30V 6A
VI30100C-M3/4W VI30100C-M3/4W Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Through Hole Tube 2014 TMBS® Active 1 (Unlimited) 3 EAR99 150°C -40°C ROHS3 Compliant FREE WHEELING DIODE, LOW POWER LOSS TO-262-3 Long Leads, I2Pak, TO-262AA unknown Through Hole 8541.10.00.80 SINGLE NOT SPECIFIED NOT SPECIFIED 3 R-PSIP-T3 Rectifier Diodes Not Qualified SILICON 2 Schottky EFFICIENCY 1 30A Common Cathode Fast Recovery =< 500ns, > 200mA (Io) 500μA @ 100V 800mV @ 15A -40°C~150°C 100V 15A 500μA 100V 160A 1 Pair Common Cathode
MBR30H100CT-E3/45 MBR30H100CT-E3/45 Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Through Hole Tube 2011 yes Active 1 (Unlimited) 3 EAR99 175°C -65°C ROHS3 Compliant No 3 FREE WHEELING DIODE, LOW POWER LOSS TO-220-3 Through Hole 8541.10.00.80 e3 Matte Tin (Sn) SINGLE MBR30H100CT 3 Rectifier Diodes SILICON 2 Schottky EFFICIENCY 1 TO-220AB 30A 930mV 275A Common Cathode 5μA Fast Recovery =< 500ns, > 200mA (Io) 5μA @ 100V 820mV @ 15A -65°C~175°C 100V 15A 5μA 100V 275A 1 Pair Common Cathode
VIT2060C-M3/4W VIT2060C-M3/4W Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Through Hole Tube 2016 Automotive, AEC-Q101, TMBS® Active 1 (Unlimited) 3 EAR99 150°C -55°C ROHS3 Compliant 3 FREE WHEELING DIODE, LOW POWER LOSS TO-262-3 Long Leads, I2Pak, TO-262AA unknown Through Hole 8541.10.00.80 e3 Matte Tin (Sn) SINGLE NOT SPECIFIED NOT SPECIFIED 3 Not Qualified SILICON 2 Schottky EFFICIENCY 1 20A Common Cathode Fast Recovery =< 500ns, > 200mA (Io) 850μA @ 60V 650mV @ 10A -55°C~150°C 60V 10A 850μA 60V 150A 1 Pair Common Cathode
VS-VSKJ71/04 VS-VSKJ71/04 Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Chassis Mount, Screw Bulk 2016 Active 1 (Unlimited) 3 EAR99 150°C -40°C ROHS3 Compliant 80A No 3 UL APPROVED ADD-A-PAK (3) Chassis Mount 110.000005g UPPER UNSPECIFIED SILICON 2 Standard HIGH VOLTAGE 1 TO-240AA 80A Diodes Common Anode Standard Recovery >500ns, > 200mA (Io) 10mA @ 400V -40°C~150°C 400V 40A 10mA 400V 1.57kA 1 Pair Common Anode 1.6V 126A
BAS70-04-E3-18 BAS70-04-E3-18 Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 125°C -55°C ROHS3 Compliant Tin No 3 TO-236-3, SC-59, SOT-23-3 Surface Mount 8.788352mg 200mW Schottky 200mA 1V SOT-23 Small Signal =< 200mA (Io), Any Speed 100nA @ 50V 1V @ 15mA -55°C~125°C 70V 200mA 100nA 70V 600mA 1 Pair Series Connection 600mA 70V 200mA DC 5 ns
V60100CHM3/4W V60100CHM3/4W Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 19 Weeks Through Hole Tube 2016 TMBS® Obsolete 1 (Unlimited) ROHS3 Compliant TO-220-3 Through Hole Schottky Common Cathode TO-220AB Fast Recovery =< 500ns, > 200mA (Io) 1mA @ 100V 790mV @ 30A -40°C~150°C 100V 30A 1 Pair Common Cathode 100V 30A
HFA16PA60C HFA16PA60C Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2009 HEXFRED® Obsolete 1 (Unlimited) 150°C -55°C Non-RoHS Compliant Contains Lead 16A 3 TO-247-3 Through Hole 600V 25pF Standard 60A Common Cathode TO-247AC Fast Recovery =< 500ns, > 200mA (Io) 5μA @ 600V 1.7V @ 8A -55°C~150°C 600V 8A 5μA 1 Pair Common Cathode 600V 8A DC 55 ns 600V 55 ns
VS-48CTQ060-1PBF VS-48CTQ060-1PBF Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2014 yes Discontinued 1 (Unlimited) 3 EAR99 150°C -55°C ROHS3 Compliant Tin FREEWHEELING DIODE, HIGH RELIABILITY TO-262-3 Long Leads, I2Pak, TO-262AA Through Hole SINGLE NOT SPECIFIED NOT SPECIFIED 48CTQ060 3 R-PSIP-T3 Rectifier Diodes Not Qualified SILICON 2 Schottky 20A HIGH POWER 1 40A 1kA Common Cathode 2mA Fast Recovery =< 500ns, > 200mA (Io) 2mA @ 60V 610mV @ 20A -55°C~150°C 2mA 60V 1kA 1 Pair Common Cathode 20A
V10DM45CHM3/I V10DM45CHM3/I Vishay Semiconductor Diodes Division 0.9877
Add to Cart

Min: 1

Mult: 1

0.00000000 download 10 Weeks Tape & Reel (TR) 2018 Automotive, AEC-Q101, eSMP®, TMBS® Active 1 (Unlimited) ROHS3 Compliant TO-263-3, D2Pak (2 Leads + Tab) Variant Surface Mount Schottky TO-263AC (SMPD) Fast Recovery =< 500ns, > 200mA (Io) 100μA @ 45V 620mV @ 5A -40°C~175°C 1 Pair Common Cathode 45V 5A
6CWQ03FN 6CWQ03FN Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2007 Obsolete 1 (Unlimited) 150°C -40°C Non-RoHS Compliant 3 TO-252-3, DPak (2 Leads + Tab), SC-63 Surface Mount 6CWQ03 Schottky 520mV 535A Common Cathode 2mA D-Pak Fast Recovery =< 500ns, > 200mA (Io) 2mA @ 30V 450mV @ 3A -40°C~150°C 30V 3.5A 535A 1 Pair Common Cathode 30V 3.5A
MBRB1535CTHE3_A/I MBRB1535CTHE3_A/I Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 20 Weeks Tape & Reel (TR) 2016 Automotive, AEC-Q101 Obsolete 1 (Unlimited) 2 ROHS3 Compliant FREE WHEELING DIODE, LOW POWER LOSS TO-263-3, D2Pak (2 Leads + Tab), TO-263AB Surface Mount SINGLE GULL WING NOT SPECIFIED NOT SPECIFIED YES R-PSSO-G2 150°C SILICON 2 Schottky 7.5A EFFICIENCY 1 35V 150A Fast Recovery =< 500ns, > 200mA (Io) 100μA @ 35V 840mV @ 15A -65°C~150°C 1 Pair Common Cathode 35V 7.5A 100μA
VS-VSKD600-20PBF VS-VSKD600-20PBF Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Chassis Mount Bulk 2013 Active 1 (Unlimited) 150°C -40°C ROHS3 Compliant 600A SUPER MAGN-A-PAK Chassis Mount Standard Diodes Common Cathode Super MAGN-A-PAK Standard Recovery >500ns, > 200mA (Io) 50mA @ 2000V -40°C~150°C 2kV 300A 1 Pair Common Cathode 2000V 300A 942A
V8KM60DUHM3/I V8KM60DUHM3/I Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Tape & Reel (TR) Automotive, AEC-Q101 Active 1 (Unlimited) ROHS3 Compliant 8-PowerTDFN Surface Mount Schottky FlatPAK 5x6 (Dual) Fast Recovery =< 500ns, > 200mA (Io) 300μA @ 60V 640mV @ 4A -40°C~175°C 2 Independent 60V 8A
VS-HFA60FA120P VS-HFA60FA120P Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Chassis Mount, Screw Tray 2014 HEXFRED® Obsolete 1 (Unlimited) 150°C -55°C ROHS3 Compliant No 4 SOT-227-4, miniBLOC Chassis Mount Standard 30A 350A SOT-227 Fast Recovery =< 500ns, > 200mA (Io) 75μA @ 1200V 3V @ 30A -55°C~150°C 1.2kV 30A 75μA 1.2kV 350A 2 Independent 1200V 30A DC 123 ns 1.2kV 123 ns
MBRF2545CT/45 MBRF2545CT/45 Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Through Hole Bulk 2002 Active 150°C -65°C Non-RoHS Compliant Contains Lead 30A 3 TO-220-3 Full Pack, Isolated Tab Through Hole 45V MBRF2545CT Schottky 820mV Common Cathode ITO-220AB Fast Recovery =< 500ns, > 200mA (Io) 200μA @ 45V -65°C~150°C 45V 12.5A 150A 1 Pair Common Cathode 45V 12.5A
VS-40CPQ035-N3 VS-40CPQ035-N3 Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Through Hole Tube 2014 Active 1 (Unlimited) 3 EAR99 ROHS3 Compliant FREE WHEELING DIODE TO-247-3 unknown Through Hole SINGLE NOT SPECIFIED NOT SPECIFIED R-PSFM-T3 150°C SILICON 2 Schottky GENERAL PURPOSE 1 TO-247AC 3500A Common Cathode Fast Recovery =< 500ns, > 200mA (Io) 4mA @ 35V 590mV @ 40A -55°C~150°C 35V 40A 1 Pair Common Cathode 4000μA
IRKD166/08 IRKD166/08 Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Chassis Mount Bulk 2002 Obsolete 1 (Unlimited) Non-RoHS Compliant 3 INT-A-PAK (3) Chassis Mount KD166 Standard Module Standard Recovery >500ns, > 200mA (Io) 20mA @ 800V 800V 165A 1 Pair Series Connection 800V 165A
VB60100C-M3/4W VB60100C-M3/4W Vishay Semiconductor Diodes Division 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 22 Weeks Surface Mount Tube 2016 TMBS® Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant FREE WHEELING DIODE, LOW POWER LOSS TO-263-3, D2Pak (2 Leads + Tab), TO-263AB unknown Surface Mount 8541.10.00.80 SINGLE GULL WING NOT SPECIFIED NOT SPECIFIED R-PSSO-G2 150°C SILICON 2 Schottky EFFICIENCY 1 320A Common Cathode Fast Recovery =< 500ns, > 200mA (Io) 1mA @ 100V 790mV @ 30A -40°C~150°C 100V 30A 1 Pair Common Cathode 1000μA
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