RER75F1620RCSL

Operating Temperature:	-55°C ~ 250°C
Failure Rate:	R (0.01%)
Package / Case:	Axial, Box
Lead Style:	Solder Lugs
Height - Seated (Max):	0.625" (15.87mm)
Size / Dimension:	1.968" L x 1.140" W (49.99mm x 28.96mm)
Mounting Feature:	Flanges
Coating, Housing Type:	Aluminum
Features:	Military, Moisture Resistant
Series:	Military, MIL-PRF-39009, RER75
Temperature Coefficient:	±20ppm/°C
Composition:	Wirewound
Power (Watts):	30W
Tolerance:	±1%
Resistance:	162 Ohms
Part Status:	Active
Packaging:	Bulk

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Chassis Mount Resistors – RER75F1620RCSL Application Field and Working Principle

Resistors are important electronic components and are widely used in all kinds of electronic circuits. The RER75F1620RCSL is a chassis mount resistor, which is a type of resistor used in space-limited environments such as panels that need to be installed close to the chassis or panels. It is designed for high-heat applications with current ratings up to 500 mA.

Overview

The RER75F1620RCSL is a precision low resistance resistor with a total resistance range of 10 W to 100 MW and tolerance of 0.1% to 5%. It is a two-terminal device, with an overall size of 1620 x 1620 mm, making it suitable for installation in limited space panels or chassis. It has a maximum operating temperature of 315°C, with a thermal resistance of 1.75°C/W.

Components and Structure

The core components of the RER75F1620RCSL are a metal film resistor, a heat-resistant aluminized steel chassis mount frame, and a pair of contact parts. The resistor is fabricated from a metal film coated on a ceramic substrate, and its electrical characteristics are determined by the type of metal film used. The thermal characteristics of the resistor are determined by its heat-resistant steel frame, which is designed to transfer heat from the resistor to the chassis or panel. The pair of contact parts are typically made of copper or brass, and serve to provide an electrical connection to the circuit.

Operation and Working Principle

The RER75F1620RCSL operates by essentially providing resistance between two points of an electrical circuit. When a current is applied across the RER75F1620RCSL, a voltage drop occurs due to the resistance of the component. The magnitude of the voltage drop is determined by the total resistance value of the component and the magnitude of the current passing through it. The amount of heat generated by the resistor is determined by the current flowing through it and the resistance value. This heat is then dissipated through the steel chassis mount frame to the environment.

Applications

The RER75F1620RCSL is commonly used in high temperature environments, such as automotive systems, HVAC systems, and industrial control systems. It is also used in a variety of other applications, such as power supplies, medical equipment, audio/visual equipment, and telecommunications.

Conclusion

The RER75F1620RCSL is a chassis mount resistor suitable for applications in space-limited environments. It is designed for high heat applications, with current ratings up to 500 mA and a maximum operating temperature of 315°C. Its main components are a metal film resistor, a heat-resistant aluminized steel chassis mount frame, and a pair of contact parts. The RER75F1620RCSL operates by providing resistance between two points of an electric circuit, and its applications include automotive systems, HVAC systems, power supplies, and medical equipment.

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