RER75F5900RC02

Series:	Military, MIL-PRF-39009, RER75
Packaging:	Bulk
Part Status:	Active
Resistance:	590 Ohms
Tolerance:	±1%
Power (Watts):	30W
Composition:	Wirewound
Temperature Coefficient:	±20ppm/°C
Operating Temperature:	-55°C ~ 250°C
Features:	Military, Moisture Resistant
Coating, Housing Type:	Aluminum
Mounting Feature:	Flanges
Size / Dimension:	1.968" L x 1.140" W (49.99mm x 28.96mm)
Height - Seated (Max):	0.625" (15.87mm)
Lead Style:	Solder Lugs
Package / Case:	Axial, Box
Failure Rate:	R (0.01%)

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Chassis Mount Resistors: RER75F5900RC02 Application Field and Working Principle

Chassis mount resistors are components that employ electrical resistance in electrical circuits. They are fixed firmly onto chassis surfaces. The component providing stable and highly reliable performance possible in highly demanding environmental conditions is the RER75F5900RC02.

Application Field of RER75F5900RC02

The RER75F5900RC02 is a low value, low-temperature coefficient, and non-inductive mounting resistor for use in medium to high-voltage, high reliability, and chassis mounted applications. It provides efficient heat dissipation and excellent voltage handling capabilities. Therefore, it can be employed in a variety of fields, including Communications and data communication equipment, high-frequency switching, and power supply regulation.

Working Principle

The RER75F5900RC02 employs a thin-film resistor mounted on an insulating substrate, with the leads being affixed to the edges of the substrate. This type of resistor is primarily composed of two layers of ceramic plates, nickel-plated copper, and a thin-film resistor stored between them, with its entire structure covered in a protective coating to resist moisture, heat, and other environmental elements. The basic principle is to heat the resistive material in each resistive layer, thus generating a electric current that is allowed to pass through the medium due to the unique resistance values of the material. In this way, the potentiometer resistor can continuously vary in its resistance values, from minimum to maximum, and back again. When applying a voltage across the layered ceramic plates, the thin-film resistor absorbs an amount of heat that is directly proportionate to its resistance, and the magnitude of the voltage.

Conclusion

The RER75F5900RC02 is a chassis-mounted resistor with excellent voltage and power handling capabilities. Its ceramic substrate construction enables it to dissipate heat efficiently and survive demanding environmental conditions. Moreover, it provides reliable and stable performance with a low temperature coefficient. All of these features make the RER75F5900RC02 an ideal choice for applications in a wide variety of fields.

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