RER75F4120RCSL

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Chassis Mount Resistors are one of the most widely used components in the electronics industry. RER75F4120RCSL is a type of Chassis Mount Resistor that is ideal for high voltage applications such as amplifiers, motor controls, and power supply circuits. It features a high-temperature rated, metal-oxide, non-inductive power film resistor that is designed to operate in the most challenging environmental conditions. This article will explore the application field and working principle of the RER75F4120RCSL.

Application Field:

RER75F4120RCSL is a high voltage Chassis Mount Resistor that is designed to withstand up to 120A (amps) and 1,200V (volts) of power. This makes it suitable for a wide range of industrial and domestic applications that require high voltage and current ratings. Its high thermal stability makes it suitable for power applications such as amplifiers, motor controls, and power supplies. It is also suitable for applications that require a robust design that can withstand a high temperature operating range. The resistor is also UL recognized and rated for up to 600V of isolation.

Besides being compatible with high-temperature applications, the RER75F4120RCSL is also ideal for providing an over-voltage protection circuit to prevent damage to sensitive electronics. By using the resistor as part of an active protective circuit, it can limit overvoltage or current surges and protect the device from damage. The low temperature coefficient also allows the resistor to maintain a consistent resistance value over a wide range of temperatures.

Working Principle:

RER75F4120RCSL functions as an electrical device, which works by controlling the flow of electrical current through the circuit. The resistor element is made up of a metal oxide that can be heated and cooled rapidly to achieve desired performance. The four-terminal design also allows it to act as a bridge circuit, which is composed of two resistors in parallel connected with two more in series. This design helps to reduce ground loops and noise from power supplies and other sources.

The resistor uses resistor elements that are made from metal oxide films, which are highly durable and temperature resistant. These film resistors are designed to dissipate the heat generated when the current passes through the circuit. To maximize the resistor\'s lifespan, the surface mount resistor elements are coated with an epoxy resin to provide additional insulation. This coating also increases the device\'s thermal stability and helps to ensure long-term reliability and performance.

Overall, the RER75F4120RCSL offers a wide range of high voltage applications and a reliable performance. Thanks to its high voltage rating, four-terminal design, and thermal stability, the resistor is suitable for high-performance applications and long-term reliability. With its UL certified and epoxy-coated construction, this resistor is the ideal component for high-voltage applications.

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