1EZ140D2/TR12

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The 1EZ140D2/TR12 is a single Zener diode with a unique ability to conduct current in either direction when a certain voltage is connected. Its name references its rated maximum instantaneous forward current of 140mA, maximum total power dissipation of 250mW, and 12V voltage forward drop. This diode is particularly useful in applications that require voltage regulation such as power supplies.

The 1EZ140D2/TR12 works by allowing current to flow only in the reverse direction when the voltage exceeds 12V. When the forward voltage is greater than 12V, the diode prevents current from passing through in the forward direction and is said to be in cutoff. This is known as Zener breakdown, named after the Zener effect which occurs when electrons are prevented from entering a normally "empty" region of the semiconductor.

The 1EZ140D2/TR12 is widely used to protect circuits against voltage surges, as it will only conduct current in the reverse direction when a certain voltage is applied to it. It can also be used to create voltage reference circuits, as it provides a reliable, stable voltage source. It also plays a role in AC to DC power converters, AC surge protection, and other low-power, low-noise applications.

The 1EZ140D2/TR12 is a robust diode with a very reliable Zener breakdown voltage that makes it an excellent choice for a variety of applications such as voltage regulation and surge protection. Its low power consumption and easy installation combined with its low cost make it an ideal solution for many different uses.

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