1N5340CE3/TR12

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Diodes - Zener - Single - 1N5340CE3/TR12 application field and working principle

The 1N5340CE3/TR12 is a 3.9 Volt 500 mW Zener Diode in the DO-213 package. It offers a convenient, reliable and cost effective way to protect the voltage regulator from voltage stresses. It offers a breakdown voltage of 3.9V and is designed to offer high temperature performance even in harsh operating environments. In addition, this diode has a low leakage current and a fast recovery time.

The 1N5340CE3/TR12 is widely used in various industrial and consumer applications. It is compatible with various voltage regulators, such as 12V, 15V and 18V. The device provides a reliable and efficient way to protect these regulators from voltage spikes. Application fields include personal computers, electrical engineering, communications, audio/video and automotive applications. In addition, this diode is also ideal for reverse-polarity protection.

Working Principle

The working principle of this diode is based on Zener breakdown. By connecting a diode in reverse-bias across a voltage source, surges in the external voltages will be prevented from reaching the circuit. As the applied voltage increases, eventually the electric field becomes large enough to break down the depletion region. This results in current flow through the diode. This current flow, also known as Zener breakdown, is the mechanism used by the 1N5340CE3/TR12 to protect voltage regulators.

The breakdown voltage of the 1N5340CE3/TR12 is 3.9V which means that when the voltage applied across the diode is higher than 3.9V, the diode will breakdown and current will flow through it. The amount of current depends on the value of the resistor connected in series with the diode. This diode also has a reverse-polarity protection feature and is capable of withstanding an operating temperature range of -55°C to +125°C.

Conclusion

The 1N5340CE3/TR12 3.9V 500 mW Zener Diode is an ideal solution for protecting voltage regulators from voltage stresses. It offers a breakdown voltage of 3.9V, low leakage current, fast recovery time and high temperature operation even in harsh operating environments. With its reverse-polarity protection, this diode is widely used in various industrial and consumer applications, such as personal computers, electrical engineering, communications, audio/video and automotive.

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