Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

Capacitors

capacitor.jpg
Capacitors are electronic components that store and release electrical energy. They consist of two conductive plates separated by an insulating material known as a dielectric. Capacitors are widely used in electronic circuits for various purposes, including energy storage, filtering, decoupling, timing, and coupling signals. They are available in different types, such as electrolytic capacitors, ceramic capacitors, and tantalum capacitors, each with unique characteristics suitable for different applications.
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 Max Operating Temperature Min Operating Temperature Depth Diameter Length RoHS Status Lead Free Contact Plating Voltage - Rated Radiation Hardening Number of Pins Additional Feature Package / Case REACH SVHC Reach Compliance Code Lead Pitch Height Width Impedance Mounting Type Operating Temperature Size / Dimension Voltage - Rated DC Height Seated (Max) Ratings Voltage - Rated AC Capacitance HTS Code Packing Method JESD-609 Code Terminal Finish Surface Mount Terminal Pitch Terminal Shape Reference Standard Voltage Composition Feature Polarity Hole Diameter Tolerance Dielectric Material Capacitor Type Rated (DC) Voltage (URdc) Leakage Current Ripple Current Tan Delta Size Code Lead Diameter Applications ESR (Equivalent Series Resistance) Lifetime @ Temp Life (Hours) Ripple Current @ Low Frequency Ripple Current @ High Frequency Ripple Current (AC) Lead Spacing Polarization Lead/Base Style Custom Capabilities Dielectric Lead Style
MAL212320229E3 MAL212320229E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2015 123 SAL-A yes Obsolete Not Applicable 2 EAR99 7.6mm 20.4mm ROHS3 Compliant 35V Axial, Can 2.5Ohm Through Hole -55°C~125°C 0.299Diax0.803L 7.60mmx20.40mm 22μF TR NO WIRE ±20% ALUMINUM (DRY/SOLID) ALUMINUM ELECTROLYTIC CAPACITOR 35V 0.045mA 0.12 General Purpose 11Ohm @ 100Hz 20000 Hrs @ 125°C 78mA @ 100Hz Polar
MAL209515102E3 MAL209515102E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 11 Weeks Through Hole Tape & Box (TB) 2006 095 PLL-4TSI yes Active Not Applicable 2 EAR99 35mm ROHS3 Compliant Radial, Can - Snap-In - 4 Lead Unknown not_compliant 22.5044mm 80mm 68mOhm Through Hole -40°C~85°C 1.378Dia 35.00mm 350V 3.150 80.00mm 1000μF CARDBOARD ±20% ALUMINUM (WET) ALUMINUM ELECTROLYTIC CAPACITOR 0.704mA 5.1A General Purpose 112mOhm @ 100Hz 10000 Hrs @ 85°C 10000 hours 5.1A @ 100Hz 0.886 22.50mm Polar
MAL219390101E3 MAL219390101E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Through Hole Bulk 2016 193 PUR-SI Active Not Applicable 2 Snap in EAR99 35mm ROHS3 Compliant No 2 Radial, Can - Snap-In Unknown 10mm 30mm 600mOhm Through Hole -25°C~105°C 1.378Dia 35.00mm 500V 1.260 32.00mm 500V 220μF 500V POLARIZED ±20% Aluminium ALUMINUM ELECTROLYTIC CAPACITOR 600μA 1.35A 2 mm General Purpose 900mOhm 6000 Hrs @ 105°C 6000 hours 1.35A @ 100Hz 0.394 10.00mm
MAL210266222E3 MAL210266222E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 11 Weeks Chassis Mount, Stud Bulk 2017 102 PHR-ST yes Active Not Applicable 2 EAR99 65mm ROHS3 Compliant 400V STANDARD: IEC60384-4 Radial, Can - Screw Terminals not_compliant 28.4988mm 105mm 40mOhm Chassis Mount -40°C~85°C 2.559Dia 65.00mm 4.358 110.70mm 2200μF Box e3 Matte Tin (Sn) BINDING POST ±20% ALUMINUM (WET) ALUMINUM ELECTROLYTIC CAPACITOR 400V 1.76mA 10A General Purpose 60mOhm @ 100Hz 10000 Hrs @ 85°C 10000 hours 10A @ 100Hz 1.122 28.50mm Polar
MAL214278229E3 MAL214278229E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Through Hole Tape & Box (TB) 142 RHS Active Not Applicable 105°C -40°C ROHS3 Compliant 63V Radial, Can 2.4892mm Through Hole -40°C~105°C 0.248Dia 6.30mm 0.492 12.50mm 22μF ±20% 86mA General Purpose 2500 Hrs @ 105°C 2500 hours 129mA @ 10kHz 0.098 2.50mm
MALREKB05DD347F00K MALREKB05DD347F00K Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 21 Weeks Through Hole Bulk 2009 EKB Active 1 (Unlimited) 105°C -55°C ROHS3 Compliant 35V Radial, Can 5.0038mm Through Hole -55°C~105°C 0.394Dia 10.00mm 0.709 18.00mm 470μF Polar ±20% 521mA General Purpose 400mOhm @ 120Hz 2000 Hrs @ 105°C 2000 hours 521mA @ 120Hz 0.197 5.00mm Polar
MAL215855822E3 MAL215855822E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Through Hole Bulk 2015 158 PUL-SI yes Active Not Applicable 2 Snap in EAR99 22mm ROHS3 Compliant 16V No Radial, Can - Snap-In - 3 Lead 10.0076mm 30mm 70mOhm Through Hole -40°C~105°C 0.866Dia 22.00mm 1.260 32.00mm 8200μF e3 Matte Tin (Sn) ±20% ALUMINUM (WET) ALUMINUM ELECTROLYTIC CAPACITOR 16V 0.27mA 3.1A General Purpose 79mOhm @ 100Hz 5000 Hrs @ 105°C 5000 hours 3.1A @ 100Hz 0.394 10.00mm Polar
MAL210116154E3 MAL210116154E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Chassis Mount, Clamp Bulk 2016 101 PHR-ST yes Active Not Applicable 2 Screw EAR99 65mm ROHS3 Compliant 25V No STANDARD: IEC60384-4 Radial, Can - Screw Terminals 28.4988mm 105mm 7mOhm Chassis Mount -40°C~85°C 2.559Dia 65.00mm 4.358 110.70mm 150000μF Box BINDING POST ±20% ALUMINUM (WET) ALUMINUM ELECTROLYTIC CAPACITOR 25V 7.5mA 17.6A General Purpose 8mOhm @ 100Hz 15000 Hrs @ 85°C 15000 hours 17.6A @ 100Hz 1.122 28.50mm Polar
MAL205973151E3 MAL205973151E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 21 Weeks Through Hole Tape & Box (TB) 2015 059 PLL-SI yes Active Not Applicable 2 Snap in EAR99 25mm ROHS3 Compliant 250V No Radial, Can - Snap-In 10.0076mm 30mm 440mOhm Through Hole -25°C~105°C 0.866Dia 22.00mm 1.260 32.00mm 150μF BULK e3 Matte Tin (Sn) ±20% ALUMINUM (WET) ALUMINUM ELECTROLYTIC CAPACITOR 250V 0.229mA 820mA General Purpose 795mOhm @ 100Hz 10000 Hrs @ 105°C 10000 hours 820mA @ 100Hz 0.394 10.00mm Polar
MAL212018102E3 MAL212018102E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Through Hole Bulk 2009 120 ATC yes Active Not Applicable 2 Axial EAR99 21mm 38mm ROHS3 Compliant Lead Free No 2 Axial, Can Unknown 40mm 43mOhm Through Hole -40°C~125°C 0.827Diax1.496L 21.00mmx38.00mm 63V AEC-Q200 63V 1000μF e3 Matte Tin (Sn) WIRE POLARIZED ±20% Aluminium ALUMINUM ELECTROLYTIC CAPACITOR 0.796mA 3.78A 800 μm Automotive 44mOhm 8000 Hrs @ 125°C 8000 hours 3.78A @ 10kHz
MAL209676182E3 MAL209676182E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Through Hole Tape & Box (TB) 2015 096 PLL-4TSI yes Active Not Applicable 2 EAR99 40mm 100mm ROHS3 Compliant 400V Radial, Can - 5 Lead not_compliant 19.9898mm 35mOhm Through Hole -40°C~85°C 1.575Dia 40.00mm 4.134 105.00mm 1800μF CARDBOARD e3 Matte Tin (Sn) WIRE ±20% ALUMINUM (WET) ALUMINUM ELECTROLYTIC CAPACITOR 400V 1.444mA 7.7A General Purpose 198mOhm @ 100Hz 5000 Hrs @ 85°C 5000 hours 7.7A @ 100Hz 0.787 20.00mm Polar
MKP385591016JKM2T0 MKP385591016JKM2T0 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Through Hole Tray 2007 MKP385 Active 1 (Unlimited) PC Pins 110°C -55°C 30.988mm ROHS3 Compliant Radial 27.5082mm 21.0058mm Through Hole -55°C~110°C 1.220Lx0.827W 31.00mmx21.00mm 160V 1.220 31.00mm 110V 9.1μF ±5% Polypropylene (PP), Metallized DC Link, DC Filtering; High Frequency, Switching; High Pulse, DV/DT 1.083 27.50mm
BFC247990244 BFC247990244 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Through Hole Bulk 2007 MKP479 Active 1 (Unlimited) PC Pins 105°C -55°C 29.9974mm ROHS3 Compliant Lead Free Tin No Radial 27.5082mm 11.5062mm Through Hole -55°C~105°C 1.181Lx0.453W 30.00mmx11.50mm 630V 1.083 27.50mm 200V 0.47μF Long Life ±5% Polypropylene (PP), Metallized High Pulse, DV/DT 1.083 27.50mm PP
W1X153MCVCF0KR W1X153MCVCF0KR Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 20 Weeks Through Hole Bulk 2016 W1X Active 1 (Unlimited) Radial 125°C -40°C 3mm ROHS3 Compliant 275VAC No Radial, Disc 7.5mm Through Hole -40°C~125°C 0.669Dia 17.00mm 0.787 20.00mm X1 0.015μF Ceramic ±20% 600 μm Safety 0.295 7.50mm Straight Straight
MAL205645153E3 MAL205645153E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Through Hole Tape & Box (TB) 2008 056 PSM-SI yes Active Not Applicable 2 Snap in EAR99 25mm ROHS3 Compliant No 2 Radial, Can - Snap-In Unknown 10mm 40mm 28mOhm Through Hole -40°C~85°C 0.984Dia 25.00mm 16V 1.654 42.00mm 16V 15000μF BULK e3 Matte Tin (Sn) 2 mm ±20% Aluminium ALUMINUM ELECTROLYTIC CAPACITOR 1.444mA 4A Audio 34mOhm @ 100Hz 12000 Hrs @ 85°C 12000 hours 4A @ 100Hz 4A 0.394 10.00mm Polar
MAL214650122E3 MAL214650122E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Through Hole Bulk 2014 146 RTI yes Active Not Applicable 2 Radial EAR99 16mm ROHS3 Compliant No Radial, Can Unknown 7.5mm 20mm 34mOhm Through Hole -55°C~125°C 0.630Dia 16.00mm 35V 0.866 22.00mm AEC-Q200 1200μF WIRE 35V ±20% ALUMINUM (WET) ALUMINUM ELECTROLYTIC CAPACITOR 423μA 1.9A 0.12 800 μm Automotive 4000 Hrs @ 125°C 4000 hours 1.9A @ 100kHz 0.295 7.50mm Polar
MAL215637682E3 MAL215637682E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Through Hole Bulk 156 PUM-SI yes Active Not Applicable 2 Snap in EAR99 25mm ROHS3 Compliant 40V No STANDARD: IEC60384-4 Radial, Can - Snap-In 10.0076mm 40mm 33mOhm Through Hole -40°C~85°C 0.984Dia 25.00mm 1.654 42.00mm 6800μF e3 Matte Tin (Sn) 10mm ±20% ALUMINUM (WET) ALUMINUM ELECTROLYTIC CAPACITOR 40V 0.548mA 4.26A General Purpose 49mOhm @ 100Hz 5000 Hrs @ 85°C 5000 hours 4.26A @ 100Hz 0.394 10.00mm Polar
F1772SX252231MKIB0 F1772SX252231MKIB0 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 22 Weeks Through Hole Bulk 2007 F1772S Obsolete 1 (Unlimited) PC Pins 110°C -55°C 30.988mm ROHS3 Compliant Radial 27.5082mm 21.0058mm Through Hole -55°C~110°C 1.220Lx0.827W 31.00mmx21.00mm 630V 1.220 31.00mm X2 310V 2.2μF ±20% Polyester, Metallized EMI, RFI Suppression 1.083 27.50mm
MAL213290508E3 MAL213290508E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Through Hole Tape & Reel (TR) 132 ALL-DIN Active Not Applicable 85°C -40°C 24.9936mm ROHS3 Compliant 16V Axial, Can 360mOhms Through Hole -40°C~85°C 0.394Diax0.984L 10.00mmx25.00mm 330μF Polar -10% +50% 320mA General Purpose 670mOhm @ 100Hz 15000 Hrs @ 85°C 15000 hours 320mA @ 100Hz Polar
MALREKB00FE410F00K MALREKB00FE410F00K Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 23 Weeks Through Hole Bulk 2009 EKB yes Active 1 (Unlimited) 2 EAR99 12.5mm 20mm ROHS3 Compliant 35V Radial, Can unknown 5.0038mm Through Hole -55°C~105°C 0.492Dia 12.50mm 0.866 22.00mm 1000μF Box e3 Matte Tin (Sn) 5mm WIRE ±20% ALUMINUM (WET) ALUMINUM ELECTROLYTIC CAPACITOR 35V 1.05mA 974mA 0.14 General Purpose 190mOhm @ 120Hz 2000 Hrs @ 105°C 2000 hours 974mA @ 120Hz 0.197 5.00mm Polar
MAL202125689E3 MAL202125689E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Through Hole Tape & Reel (TR) 2015 021 ASM yes Active Not Applicable 2 Axial EAR99 4.5mm 10mm ROHS3 Compliant 16V Axial, Can unknown 2.4Ohm Through Hole -40°C~85°C 0.177Diax0.394L 4.50mmx10.00mm 68μF TR e3 Matte Tin (Sn) WIRE ±20% ALUMINUM (WET) ALUMINUM ELECTROLYTIC CAPACITOR 16V 0.0062mA 90mA 0.16 General Purpose 3.8Ohm @ 100Hz 2500 Hrs @ 85°C 2500 hours 90mA @ 100Hz Polar
MAL203855102E3 MAL203855102E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Through Hole Bulk 2015 038 RSU yes Active Not Applicable 2 Radial EAR99 10mm ROHS3 Compliant No 2 Radial, Can Unknown 5mm 16mm Through Hole -40°C~85°C 0.394Dia 10.00mm 16V 0.709 18.00mm 16V 1000μF e3 Matte Tin (Sn) WIRE 16V POLARIZED ±20% Aluminium ALUMINUM ELECTROLYTIC CAPACITOR 160μA 785mA 0.16 600 μm General Purpose 3500 Hrs @ 85°C 3500 hours 1.06A @ 10kHz 0.197 5.00mm
BFC237524913 BFC237524913 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 20 Weeks Through Hole Bulk 2011 KP/MKP 375 yes Active 1 (Unlimited) 2 PC Pins EAR99 ROHS3 Compliant Lead Free Tin No RATED AC VOLTAGE (V): 400 Radial 27.5mm 30mm 10mm Through Hole -55°C~105°C 1.181Lx0.394W 30.00mmx10.00mm 1kV 0.906 23.00mm 400V 0.091μF 8532.25.00.70 e3 WIRE ±5% Polypropylene (PP), Metallized FILM CAPACITOR 1000V High Pulse, DV/DT 0.394 10.00mm PP
MKP385315100JC02R0 MKP385315100JC02R0 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Through Hole Tape & Reel (TR) 2007 MKP385 Active 1 (Unlimited) PC Pins 110°C -55°C 12.4968mm ROHS3 Compliant Radial 7.493mm 5.9944mm Through Hole -55°C~110°C 0.492Lx0.236W 12.50mmx6.00mm 1kV 0.551 14.00mm 350V 0.015μF ±5% Polypropylene (PP), Metallized DC Link, DC Filtering; High Frequency, Switching; High Pulse, DV/DT 0.295 7.50mm
BFC246719124 BFC246719124 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Through Hole Tape & Reel (TR) 2007 MKT467 Active 1 (Unlimited) PC Pins 105°C -55°C 12.4968mm ROHS3 Compliant Lead Free Tin No Radial 10mm 4.2926mm Through Hole -55°C~105°C 0.492Lx0.169W 12.50mmx4.30mm 250V 0.630 16.00mm 160V 0.12μF ±5% Polyester, Metallized General Purpose 0.394 10.00mm PET
BFC236711334 BFC236711334 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Through Hole Bulk 2007 MKT367 Active 1 (Unlimited) 2 PC Pins EAR99 5mm ROHS3 Compliant Lead Free Tin No RATED AC VOLTAGE (V): 40 Radial 7.5mm Through Hole -55°C~105°C 0.413Lx0.197W 10.50mmx5.00mm 63V 0.413 10.50mm 40V 0.33μF 8532.25.00.70 e3 WIRE IEC60384-2 ±10% Polyester, Metallized FILM CAPACITOR 4120 General Purpose 0.295 7.50mm PET
MKP385614016JPI2T0 MKP385614016JPI2T0 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Through Hole Bulk 2007 MKP385 Active 1 (Unlimited) PC Pins 110°C -55°C 43.0022mm ROHS3 Compliant Radial 37.4904mm 18.4912mm Through Hole -55°C~110°C 1.693Lx0.728W 43.00mmx18.50mm 160V 1.398 35.50mm 110V 14μF ±5% Polypropylene (PP), Metallized DC Link, DC Filtering; High Frequency, Switching; High Pulse, DV/DT 1.476 37.50mm
MAL201331339E3 MAL201331339E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Through Hole Tape & Box (TB) 013 RLC yes Active Not Applicable 2 Radial EAR99 8.2mm ROHS3 Compliant 50V No Radial, Can 5.0038mm 11mm 1.4Ohm Through Hole -40°C~85°C 0.323Dia 8.20mm 0.472 12.00mm 33μF AMMO PACK e3 Matte Tin (Sn) 5mm WIRE ±20% ALUMINUM (WET) ALUMINUM ELECTROLYTIC CAPACITOR 50V 0.0043mA 110mA 0.06 Audio 3000 Hrs @ 85°C 3000 hours 110mA @ 100Hz 0.197 5.00mm Polar 10 % Tolerance Available On Request
MAL212877108E3 MAL212877108E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tape & Reel (TR) 2015 128 SAL-RPM yes Obsolete Not Applicable 2 EAR99 5mm 8mm ROHS3 Compliant 40V Radial unknown 5.207mm 7Ohm Through Hole -55°C~85°C 0.315Lx0.197W 8.00mmx5.00mm 0.394 10.00mm 1μF BULK e3 Matte Tin (Sn) 5.2mm WIRE ±20% ALUMINUM (DRY/SOLID) ALUMINUM ELECTROLYTIC CAPACITOR 25V 0.002mA 20mA 0.1 3220 600 μm General Purpose 200Ohm @ 100Hz 20000 hours 20mA @ 100Hz 0.205 5.20mm Polar
MAL204835332E3 MAL204835332E3 Vishay BC Components 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Through Hole Tape & Box (TB) 2016 048 RML yes Active Not Applicable 2 Radial EAR99 16mm ROHS3 Compliant 16V No Radial, Can 7.493mm 25mm 56mOhm Through Hole -40°C~105°C 0.630Dia 16.00mm 1.063 27.00mm 3300μF AMMO PACK e3 Matte Tin (Sn) 7.5mm WIRE ±20% ALUMINUM (WET) ALUMINUM ELECTROLYTIC CAPACITOR 16V 0.53mA 1.22A 0.2 General Purpose 4000 Hrs @ 105°C 4000 hours 1.22A @ 100Hz 0.295 7.50mm Polar
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