RER40F73R2RC02

Operating Temperature:	-55°C ~ 250°C
Failure Rate:	R (0.01%)
Package / Case:	Axial, Box
Lead Style:	Solder Lugs
Height - Seated (Max):	0.335" (8.51mm)
Size / Dimension:	0.600" L x 0.646" W (15.24mm x 16.41mm)
Mounting Feature:	Flanges
Coating, Housing Type:	Aluminum
Features:	Military, Moisture Resistant, Non-Inductive
Series:	Military, MIL-PRF-39009, RER40
Temperature Coefficient:	±20ppm/°C
Composition:	Wirewound
Power (Watts):	5W
Tolerance:	±1%
Resistance:	73.2 Ohms
Part Status:	Active
Packaging:	Bulk

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Chassis Mount Resistors

RER40F73R2RC02 Application Field and Working Principle

Chassis mount resistors are a type of resistor package with an exposed metal element that is mounted to, or through, a chassis or other surface. Generally, these resistors are used in high-power, high frequency applications. The RER40F73R2RC02 is a special type of chassis mount resistor that is designed for specialized applications. It is a high-powered resistor that has a power rating of 500-watts at rated frequency of 65 kHz, and a maximum operating temperature of 25 to 90 degrees Celsius.The RER40F73R2RC02 chassis mount resistor has a body of cement-coated aluminum oxide, with a ceramic filling providing additional insulation and mechanical strength. It features a high-temperature tolerant design, with a wide range of power ratings and tollerances. It has a very wide temperature coefficient of resistance, which means it can operate in extremely high temperature conditions. The design of the RER40F73R2RC02 also makes it suitable for high-frequency applications, as it can handle an impressive range of frequencies between 20 kHz and 125 kHz.The RER40F73R2RC02 chassis mount resistor also has a capacitance and inductance of 1 picofarad and 1200 millihenries, respectively. This provides additional electrical stability in high-frequency applications. Moreover, it features very reliable long-term life expectancy as it has an impressive durability of more than 10,000 hours.The RER40F73R2RC02 chassis mount resistor is typically used in a wide range of applications, such as voltage regulator, power supply, switch mode power supply, inverter and ultra-colour monitor. It is also often used in automotive applications such as in-vehicle entertainment systems, audio amplifiers, power seats, and climate control systems.The working principle of the RER40F73R2RC02 chassis mount resistor is fairly straightforward. It consists of a resistor element encased in a ceramic-filled aluminum oxide body. The resistor element is in contact with the chassis or other surface, and has a constant impedance when exposed to an electrical current. The ceramic fills in the space between the element and the housing, providing additional insulation and heat dissipation. The resistor element is connected to a lead that runs through the center of the resistor, allowing for direct electrical connection to the source of the current.In conclusion, the RER40F73R2RC02 is an excellent choice for high-power, high frequency applications such as automotive, voltage regulator, and power supply systems. Its robust design ensures reliable long-term life expectancy, and its wide range of temperatures and power ratings make it suitable for a variety of applications. Its ceramic-filled aluminum oxide body and capacitance and inductance provide additional electrical stability in high-frequency applications.

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