RER70F1R21RCSL

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:	±50ppm/°C
Composition:	Wirewound
Power (Watts):	20W
Tolerance:	±1%
Resistance:	1.21 Ohms
Part Status:	Active
Packaging:	Bulk

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Chassis mount resistors are one of the most widely used components in the electrical engineering and electronics industries. The RER70F1R21RCSL is one of the most commonly used resistors in this category. In this article, we will discuss the application fields and working principle of this resistor.The RER70F1R21RCSL is a fixed, non-polarized, non-inductive, fire-resistant, axial-leaded wirewound resistor. It has an operating temperature range of -55 to +125 degrees Celsius and a resistance range of 0.1 to 5 megohms. The RER70F1R21RCSL also features an outstanding voltage range of 2 to 10 kilovolts.The primary usage of the RER70F1R21RCSL is in electrical power distribution systems. The resistor is used to limit the current and voltage travelling through these systems, reducing the chances of short circuits and other related incidents. It is also used to reduce noise in low-voltage circuits.In addition, the RER70F1R21RCSL is also employed in many other applications. It is highly suitable for use in aircraft, shipyards, maritime, medical equipment, and in laboratory test benches. The resistor is ideal for general-purpose residential and commercial aerospace applications where high-temperature stability, fire resistance, high-voltage tolerance, and low-noise characteristics are desirable.The RER70F1R21RCSL resistor works by generating an electrical resistance when current passes through it. This resistor is based on the definition of resistance, which states that the current through a conductor is inversely proportional to the resistance offered. So, when the current increases, the resistance offered by the resistor increases as well.The basic working principle of the RER70F1R21RCSL is simple – it dissipates some of the electrical energy flowing through the circuit by converting it to heat. This helps protect the circuit and its components from damage due to excessive current. The resistor’s fire-resistant construction also provides an extra layer of protection against the heat generated by the resistor.The RER70F1R21RCSL is the ideal choice for a wide range of applications due to its flexibility, robustness, and ease of installation. It is cost-effective and easy to maintain, making it a great choice for professionals in the electrical engineering and electronics fields.

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