1N4148 Zener Diode Switching Signal Diode

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The 1N4148 is a standard silicon switching signal diode. It is one of the most popular and long-lived switching diodes because of its dependable specifications and low cost. Its name follows the JEDEC nomenclature. The 1N4148 is useful in switching applications up to about 100 MHz with a reverse-recovery time of no more than 4 ns.

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The 1N4148 is a standard silicon switching signal diode. It is one of the most popular and long-lived switching diodes because of its dependable specifications and low cost. Its name follows the JEDEC nomenclature. The 1N4148 is useful in switching applications up to about 100 MHz with a reverse-recovery time of no more than 4 ns.

For IN4148 Diode, the maximum current carrying capacity is 300mA it can withstand peaks up to 2A. The specialty of this diode is its fast recovery time of 8ns at a forward current of 10mA, hence this diode is used in places where fast switching are involved.

A diode is a device which allows current flow through only one direction. That is the current should always flow from the Anode to cathode. The cathode terminal can identify by using a grey bar as shown in the picture.

The 1N4148 is a standard silicon switching signal diode. The 1N4148 is a small signal high-speed switching diode in axial leaded package. It is one of the most popular and long-lived switching diodes because of its dependable specifications and low cost. Its name follows the JEDEC nomenclature.

1N4148 diode is a signal diode. A signal diode is designed to handle relatively small currents and voltages. Diodes that can handle large current and voltages are known as power diodes.

Specifications: –

  • Fast switching Diode
  • Peak repetitive Reverse voltage is 100V
  • RMS reverse voltage is 75V
  • Peak forward surge current is 2A
  • Forward continuous current If 300mA
  • Reverse recovery time 8ns
  • Available in DO-35 Package

Applications: –

  • uses to prevent reverse polarity problem
  • Protect Power electronic switches that are operating with high switching frequency.
  • Half Wave and Full Wave rectifiers
  • Used as a protection device
  • Current flow regulators

1N4148 Pin Configuration

Pin No. Pin Name Description
1 Anode Current always Enters through Anode
2 Cathode Current always Exits through Cathode

 

Datasheet: –

diodes.com/assets/Datasheets/ds12019.pdf

Package: –

1 x 1N4148 Zener Diode Switching Signal Diode

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1N4148 Zener Diode Switching Signal Diode
1N4148 Zener Diode Switching Signal Diode

 5.00

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