SMBJ5939BE3/TR13

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The SMBJ5939BE3/TR13 diodes, belonging to the Zener single family, are disc-shaped semiconductor devices with capabilities for controlling the steady flow of electricity. These creative solutions for solutions for voltage regulation are heavily used in all sorts of applications, from motor control systems and power supplies to rectifiers and clamp circuits, among others.

Feature Overview

This type of diode has a Breakdown Voltage of 5.9 V with a maximum of 6.54 volts and a zener current of 2.5 mA. Its maximum reverse voltage is 5.9 V and its stud size is 2 mm. Its package is the classic SOT-23, making this diode extremely compatible with many types of circuits and applications. Moreover, it has a Fast Response and an operating temperature range between -55 ºC and 150 ºC.

Application & Working Principle

The most widespread application for SMBJ5939BE3/TR13 diodes is voltage protection, a process in which a circuit gets protected from a sudden electrical surge by diverting the electricity surge toward a safer location. This is a key part of many motor control systems, since these are very prone to overvoltage events.

The working principle is based on the fact that these diodes start conducting when their voltage surpasses the Zener voltage. This triggers a current, which is then diverted to a safer junction, thus protecting the circuit from the surge. Some models might also come with additional features, such as reverse energy and temperature protection.

Aside from voltage protection, such diodes can also be used in rectifiers, as well as in clamp circuits. Clamp circuits, in particular, are electrical assemblies designed to absorb and disperse electrical surges by releasing them to the ground. This process entails redirecting the current from both directions and allowing the surge to be redirected from its source.

Conclusion

The SMBJ5939BE3/TR13 diodes are perfect for both motor control systems and rectifiers, as their size, high voltages, and temperature protection make them ideal for a variety of applications. This creative solution for voltage regulation has been chosen by many electrical engineers for its voltage protection capabilities, as well as its fast response time and temperature resistance.

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