Series:	Military, MIL-PRF-55182/01, RNC55
Packaging:	Bulk
Part Status:	Active
Resistance:	78.7 kOhms
Tolerance:	±1%
Power (Watts):	0.125W, 1/8W
Composition:	Metal Film
Features:	Military, Moisture Resistant, Weldable
Temperature Coefficient:	±50ppm/°C
Operating Temperature:	-65°C ~ 175°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.094" Dia x 0.250" L (2.39mm x 6.35mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	R (0.01%)

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Through Hole Resistors

        Through Hole Resistors, also known as THRs, consist of two or more parallel metal plates, typically made of copper, copper/tungsten or graphite and a substrate. These types of resistors are used for applications where voltage and/or current must be controlled. The resistance value of a THR is determined by the size, shape, and type of the components. These resistors are designed to dissipate heat and provide protection against over-voltage and over-current conditions.        The RNC55H7872FRB14 is a THM resistor whose design combines a substrate and two layers of metal plates with a layer of special material in between. This material is designed to minimize the thermal effects of high voltage and current, while providing strong protection against surge and over-current conditions. The THM materials are resistant to thermal shock and the environmental effects of vibration, dust, and moisture.         The RNC55H7872FRB14 is designed to provide a fixed resistance value over a certain range of voltage, enabling it to be used in conjunction with various electronic components such as resistors, transistors, semiconductors, and diodes. It is most commonly used in low voltage, low power applications such as the control of signal stages in audio amplifiers, and switching functions in motor controllers.         The working principle of this type of resistor is based on electrical capacitance. When current flows through the resistor, the current causes a change in the electrical field, causing charges to move across the resistor plates in an alternating manner. The frequency of the charges determine the value of the resistance, which in turn affects the voltage, current, and power input (dissipation) of the device. As the electrical field changes, the resistance value increases or decreases, depending on the direction of the current.        The RNC55H7872FRB14 has a rated power dissipation of 40W and is designed to work in temperatures ranging from -40C to +135C. The device is designed to dissipate heat quickly, making it suitable for device-level thermal management and enhanced device life. The component can also be used in multiplexer circuits and voltage regulator circuits, as well as in complex circuits requiring precise current control.         With its ability to dissipate heat and provide protection against surges and over-current conditions, and its compact, low-cost design, the RNC55H7872FRB14 is an efficient and cost-effective device for power control and signal processing applications. This THR is suitable for use in a variety of electronic applications including motor controllers, audio amplifiers, multiplexers, and general voltage regulation.

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Part Number	Manufacturer	Price	Quantity	Description