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1N4002 Diode : Pin Configuration & Its Applications

Saurabh Kalsarpe by Saurabh Kalsarpe
August 19, 2022
in Knowledge Base
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  • A diode is a two-terminal component that allows current to flow in only one direction, from the anode to the cathode terminal. The cathode terminal is represented by a grey bar on the diode in this case.
  • The 1N4002 diode belongs to the 1N400x series of general-purpose diodes. This is an axial lead Si rectifier in a plastic case that can be mounted anywhere. Furthermore, these series diodes are widely used by electronic beginners, engineers, students, and workers, among others.
  • This diode’s characteristics, such as low cost, 1A forward current, small package, the power dissipation of 3 Watt, and so on, will allow it to be used in a variety of electronic applications. As a result, this diode is used in circuits with less than 1A of current and a negligible reverse current of 5uA. As a result, this diode is used in circuits with less than 1A of current and a negligible reverse current of 5uA.

    Symbol

Where We Can Use It?

  • Although filter capacitors are required for this rectification task, the 1N4002 can be used to build a bridge to convert AC voltage to DC. Aside from rectification, it can also be used to block voltage spikes, block current where it is not needed, boost voltage, and so on.

Pin Configuration

  • The 1N4002 diode’s pin configuration is shown below. This diode has two pins, with each pin’s functionality described below. The 1N4002 diode’s schematic symbol is shown below. This diode’s cathode terminal is indicated by a band on the diode’s body. It allows current to flow in only one direction, from the anode terminal to the cathode.
Pin Configuration : 1N4002 Diode
  • Pin1 (Anode): The current flow direction is always through the anode terminal.
  • Pin2 (Cathode): The flow of current will exist throughout the cathode.

Applications of 1N4002 Diode

  • Along with filter capacitors, the 1N4002 rectifier diode is used to design a bridge circuit to change the voltage from AC to DC. Aside from rectification, this diode can be used to block voltage spikes, current where it is not required, voltage boosting, and so on.
  • Adapters.
  • The reverse polarity issue can be solved.
  • AC to DC conversion.
  • Controllers for current flow.
  • Chargers circuits for battery.
  • Signal processing.
  • Power supplies of electronic appliances.
  • Management of power.
  • Components protection.
  • HWRs & FWRs Voltage blocking.
  • Protection of device.
  • Stop the reversing polarity problem.
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Saurabh Kalsarpe

Saurabh Kalsarpe

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