4.7V Zener Diode – 1N4732A

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 2.0

Product ID: 19146 SKU: ELEC-19146 Categories: , Tags: , ,

Zener Diode Pin Description

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

 

Characteristics

  • Nominal Zener Voltage (VZ): 4.7V
  • Power dissipation (PZ): 1300mW (practically 500mW)
  • Zener regulator current (IZm): 193mA
  • Package: DO-41

Note: Complete Technical Details can be found at the 1N4732A datasheet given at the end of this page.

 

How to use a Zener Diode

As said, a Zener diode will mostly be used in a protection circuit or in a crude voltage regulator circuit. Either way, it very important to remember that a Zener diode should always be used along with a Zener resistor.

Zener resistor is nothing but an ordinary resistor which is used for current limiting purpose. This resistor decides (limits) the amount of current that can flow through the Zener diode or through the load connected to Zener diode; this was the Zener diode is protected from high current. If this resistor is not used the diode will be damaged due to high current. A simple Zener diode circuit is shown below.

Applications of 1N4732A Zener Diode

  • Used in Voltage protection circuits
  • Can be used as low current voltage regulator
  • Input voltage protection for Microcontrollers or other IC’s
  • Voltage stabilizing circuits

 

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