12V Zener Diode 1N4742A 1W

SKU: 32623182-20P
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Quantity: Pack of 20
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12V Zener Diode 1N 4742 A 1W

A Zener diode is one of the different types of diode, used for entirely different purposes than common diodes. They are mainly used in protection circuits or in short crude voltage regulators.  This diode decides (limits) the amount of current that can flow through the Zener diode. Also, This Zener diode is protected from high current. If this resistor is not used the diode will be damaged due to high current.

Product Details

  • Diode type: Zener Diode
  • Diode number: 1N4742
  • Voltage rating: 12V
  • Power rating: 1W
  • Number of terminals: 2
  • Package type: DO-41
  • Mounting type: through hole


  • Silicon Planar Power Zener Diodes
  • For use in stabilizing and clipping circuits with a high power rating.
  • Standard Zener voltage tolerance is ±10%. Add suffix “A” for ±5% tolerance.
  • Nominal Zener Voltage (Vz): 12V
  • Total Power Dissipation (Ptot): 1W

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