RER75F7321MCSL

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Introduction

Chassis mount resistors are resistors which are mounted onto various surfaces or structures. The RER75F7321MCSL is an example of these. This resistor is significant for its ability to dissipate significant amounts of power in small packages with low self heating. It is unique as it exists as a combination of a film resistor and termination giving customers multiple options for mounting and application versatility.

Application Field

The RER75F7321MCSL is used in a wide variety of applications. It is employed in motor drives, switch mode power supplies, industrial power, factory automation and other power electronics systems. It is also suitable for applications which require low surge current, short circuit protection, and a high degree of stability. Additionally, its high power density, combined with its long duration, makes it ideal for applications in high temperature and high vibration environments.

Working Principle

The working principle of the RER75F7321MCSL is based on its ability to dissipate large amounts of power, while at the same time having low self-heating characteristics. The components of the resistor are divided into two sections: the film resistor and the termination. The film resistor is made from a thick film technology which allows for a low resistance value and minimal self heating. Additionally, this technology ensures a high stability over temperature and time. The termination of the resistor allows it to be mounted on a chassis or other surface, while at the same time providing a secure connection with five times the mechanical stress of a normal solder. This makes the resistor highly reliable, even in cases of intense vibration or extreme temperatures.

Conclusion

The RER75F7321MCSL is part of the larger group of chassis mount resistors which are used in various applications. This resistor is exceptional due to its ability to dissipate large amounts of power while generating low self-heating. Its construction combines a film resistor and termination which gives customers multiple options for mounting and application versatility. Additionally, its high power density and long duration makes it suitable for high-temperature and high-vibration applications. As such, it can be used in motor drives, switch mode power supplies, industrial power, factory automation and other power electronics systems.

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