1PMT5956C/TR7

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Introduction

The 1PMT5956C/TR7 is a single Zener diode that is widely used in various applications. The 1PMT5956C/TR7 is a part of a wide selection of leaded and surface mount single Zener diodes from ON Semiconductor.

Application Field of the 1PMT5956C/TR7

The 1PMT5956C/TR7 is commonly used in DC-to-DC converters for regulating the output voltage, as well as for general voltage regulation and load switching applications. It can also be used in applications such as voltage spike suppression, EMI filtering and AC rectification. Additionally, it is employed in automotive and aeronautical environments, temperature measuring instruments, and precision power supplies, among other applications.

Working Principle of the 1PMT5956C/TR7

The working principle of a Zener diode is based on two principal concepts. First, the forward voltage drop created when a current is passed through it, and second, the voltage break-down that occurs when the opposite resistance is applied. The 1PMT5956C/TR7 is an example of the latter concept. When the 1PMT5956C/TR7 is forward-biased, current passes through it and the voltage drop across it is inversely proportional to the applied current. Once the reverse voltage reaches the Zener voltage, which is typically marked as ‘Vz’, the diode starts to ‘break down’ and will pass a large amount of current. This large amount of current is referred to as the Reverse Leakage Current.

The 1PMT5956C/TR7 has a series of limits, one being its maximum power dissipation. This limit is applicable to both the forward voltage drop situation, as well as to the reverse breakdown condition. This diode also has a maximum surge power rating, and the maximum allowable surge peak current, which depends on the pulse width and the reverse voltage.

Conclusion

The 1PMT5956C/TR7 is a single Zener diode that is widely used for a variety of applications, such as voltage spike suppression, EMI filtering and AC rectification. It can also be used for DC-to-DC converters, power supplies, automotive and aeronautical environments, temperature measuring instruments and as a general voltage regulator. The working principle of the 1PMT5956C/TR7 is based on two concepts, a forward voltage drop and a reverse voltage breakdown, and this diode has an array of parameters associated with its power dissipation, maximum surge power, and surge peak current.

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