12V Zener Diode (1N4742)
BD 0.400
A Zener diode is a special kind of diode which allows current to flow in the forward direction like a regular diode, but also allows it to flow in the reverse direction when the voltage is above a certain value. This is known as the “breakdown voltage”.
Zener diodes are often used to stabilize and clip circuits.
The 1N4742 is a 12V Zener Diode, meaning it has a breakdown voltage of 12V
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