1N4002 Diode Pinout, Equivalent, Datasheet, Specs and Other Details

In this article you will find 1N4002 diode pinout, equivalent, datasheet, specs, and other useful information about this diode.


 1N4002 Diode Pinout, Equivalent, Datasheet, Specs and Other Details


Features / technical specifications:

  • Package Type: Available in DO-41 & SMD Packages
  • Diode Type: Silicon Rectifier General Usage Diode
  • Max Repetitive Reverse Voltage is: 100 Volts
  • Average Fwd Current: 1000mA
  • Non-repetitive Max Fwd Current: 30A
  • Max Power Dissipation is: 3W
  • Max Storage & Operating temperature Should Be: -55 to +175 Centigrade


1N4002 Replacement and Equivalent:

1N4002 can easily be replaced with other diodes of this series such as 1N4003, 1N4004, 1N4005, 1N4006, 1N4007. Other possible equivalents are 1n4148, SF12, SF12, RL202, RL203 HER202, HER203, HER102, HER103, FR202, FR203, 1N4934, 1N4935.


1N4002 Diode Explained / Description:

1N4002 is a one diode from a diode series called 1N400x. It is a series of general purpose diodes. The diodes in this series are widely used in electronic appliances for rectification purposes and also for other purposes such as voltage blocking, voltage boosting etc.

Moreover this series of diodes are also very famous in electronics engineers, electronic students, electronic workers and electronic hobbyists. The 1A fwd current, low cost, small package, 3 Watt power dissipation and other specification makes it ideal to use in wide variety of electronics applications.


Where We Can Use It:

The 1N4002 can be used to make a bridge to convert AC voltage to DC although there are also requirements of filter capacitors for this rectification task. Other than rectification it can also be used for blocking voltage spikes, blocking current where it is not required, boosting voltage etc.



Electronic Appliances Power Supplies

Battery Chargers Circuits


Converting AC to DC

Protection of Components

Blocking voltage


How to Safely Long Run in a Circuit:

For getting long term stable performance with 1N4002 diode it is recommended to not use this diode in circuits using above 100V and always stay below the max values for stable performance. Check pinout connections before soldering in circuits. Do not provide above 1000mA Load and always store and use below -55 centigrade and above +175 centigrade.


1N4002 Datasheet :

To download the datasheet just copy and paste the below link in your browser.


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