RER70F4641RC02

Operating Temperature:	-55°C ~ 250°C
Failure Rate:	R (0.01%)
Package / Case:	Axial, Box
Lead Style:	Solder Lugs
Height - Seated (Max):	0.561" (14.25mm)
Size / Dimension:	1.062" L x 1.080" W (26.97mm x 27.43mm)
Mounting Feature:	Flanges
Coating, Housing Type:	Aluminum
Features:	Military, Moisture Resistant
Series:	Military, MIL-PRF-39009, RER70
Temperature Coefficient:	±20ppm/°C
Composition:	Wirewound
Power (Watts):	20W
Tolerance:	±1%
Resistance:	4.64 kOhms
Part Status:	Active
Packaging:	Bulk

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Overview of Chassis Mount Resistors

Resistors are important electrical components used in almost all electronic circuits. Chassis mount resistors, as the name implies, are types of resistors that are mounted to the chassis to enhance electromagnetic shielding and mechanical support. These resistors come in a wide range of designs and configurations, and are ideal for industrial applications, such as traction control, motor control and power supplies.Chassis mount resistors can be classified into two main categories: those with heat sinks and those without heat sinks. Heat sink-mounted resistors are equipped with a finned aluminum heat sink that provides better heat dissipation, while non-heat sink-mounted resistors do not have a heat sink and offer low thermal resistance.In addition, chassis mount resistors come in a variety of styles, including single-in-line, through-hole and surface-mount, to suit any application. They range in power rating from 0.5 to 10 watts, and feature a robust construction that can withstand a wide range of operating environments.

RER70F4641RC02 Application Field and Working Principle

RER70F4641RC02 is a single-in-line (SIL) chassis mount resistor produced by Rohm Semiconductor. This device can handle 4 W of power rating and features a high temperature-tolerance of up to 175°C.RER70F4641RC02 is designed to provide excellent stability and temperature tolerance over the extended temperature range of -55 to +175°C and is typically used in automotive and industrial applications requiring stabilized output power.The resistor is fabricated with a small-size ceramic body to maximize conductivity, which allows for a low profile and improved heat dissipation. The wide terminations with gold-plated lead frames, provide superior contact reliability and ensure maximum efficiency.The resistor provides excellent resistance against thermal shock and high humidity that can be found in harsh operating environments, including those with extreme temperatures and vibration. It also offers improved performance in the presence of electromagnetic interference.RER70F4641RC02 is ideal for applications such as traction control, motor control, power supplies and power electronics. Its high temperature tolerance and wide range of operating environments make it a versatile component for industrial, automotive, commercial and military applications.

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