2EZ47DE3/TR12

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Diodes - Zener - Single

2EZ47DE3/TR12 is an ideal electronic component for many applications thanks to its high power ratings and superior operating characteristics. As a diode, it is an electrical circuit element that allows current flow in one direction and blocks it in the opposite direction. It is a Zener diode, meaning that it can also operate in a breakdown region and become a voltage regulator, a key feature that makes it useful in power protection applications and other circuits.

Application Field

2EZ47DE3/TR12 can work as a Zener diode which can be used in voltage regulation. It can be placed in series with a current limiting resistor in the circuit to control the current over some range. By adjusting the resistor, the breakdown voltage of the diode can be adjusted and kept at a prescribed level. This makes it perfect for applications such as protection circuits, act as voltage references, over voltage protection, voltage multipliers and many more.

In addition to the Zener diode function, the 2EZ47DE3/TR12 can also act as a normal diode. It can be used in junction diode configurations such as Schottky diodes, varactor diodes, tunnel diodes and more. These circuits can be used for rectification, signal detection and clamping, as well for light dependent resistors and even as a switch.

Working Principle

A normal diode is characterized by its forward voltage (VF). When the voltage across it is increased to a certain point, it begins conducting forward current. A Zener diode, of which the 2EZ47DE3/TR12 is an example, has a different behavior. When the voltage across it increases, it begins conducting at a lower voltage than that of a standard diode and keeps conducting all the way until it reaches a certain breakdown voltage (Vz). Above that breakdown voltage, a large amount of current can flow, depending on the external circuit.

When a Zener diode is connected in the reverse direction across a load, it can be used as a voltage regulator. Even if the input voltage varies, the diode will keep the output voltage at a constant value given that the current draw from the load is below a certain level.

2EZ47DE3/TR12 offers a good performance in terms of power rating, current flow, breakdown voltage, reverse voltage and the very important thermal coefficients. This makes it an excellent choice for many applications, including power protection and other circuits.

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