Series:	Military, MIL-PRF-39007, RWR81S
Packaging:	Bulk
Part Status:	Active
Resistance:	390 Ohms
Tolerance:	±1%
Power (Watts):	1W
Composition:	Wirewound
Features:	Military, Moisture Resistant
Temperature Coefficient:	±20ppm/°C
Operating Temperature:	-55°C ~ 250°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.085" Dia x 0.250" L (2.16mm 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 are some of the most commonplace resistors in the electronics industry and have been widely used in a variety of applications. Despite their simplicity, these components are an integral part of all kinds of circuits and can be quite important for ensuring that they function optimally. The RWR81S3900FRB12 is a through hole resistor that is specifically designed for high performance and long life.

RWR81S3900FRB12 Application Field and Working Principle

The RWR81S3900FRB12 is a through hole resistor with one of the highest power ratings available, making it suitable for use in a wide variety of devices and applications. Some of the common uses of this resistor include power supplies, motors, automobiles, aircrafts, computers, and other industrial equipment. This resistor also features high temperature stability, low radiation emission levels, and high shock resistance.The RWR81S3900FRB12 works by converting electrical energy into heat, thus limiting the total current that is allowed to pass through it. This is done in much the same way as a conventional resistor, except that it uses a special alloy material which has a very high electrical resistance. This alloy is embedded in a ceramic substrate, which is then mounted in a through hole. The hole is then filled with a dielectric, which then forms an electrical barrier between the resistance material and the terminals.When voltage is applied to the RWR81S3900FRB12, electrons are forced to move through the resistance material, and as a result, a small amount of energy is converted to heat. This heat is then dissipated through the ceramic substrate, or it is emitted as radiation, depending on the operating frequency of the resistor.The RWR81S3900FRB12 is constructed from a special alloy which gives it the high power rating it is known for. This alloy also gives it excellent temperature stability and low electromagnetic radiation emission levels. The ceramic substrate is also designed to provide the best possible heat dissipation. In addition, the high shock resistance of the RWR81S3900FRB12 ensures that it can withstand shocks and vibrations without becoming damaged.

Benefits of Using RWR81S3900FRB12

The RWR81S3900FRB12 is designed to provide reliable and consistent performance in even the most demanding applications. Its high power rating ensures that it can be used in a wide variety of applications, and its excellent temperature stability makes it ideal for use in high temperature environments as well. It also has a very low radiation emission levels, making it suitable for use in sensitive equipment such as computers and medical equipment. Finally, its shock resistance ensures that it can withstand the rigors of daily use.The RWR81S3900FRB12 also offers a number of benefits for the device or system it is used in. Its low power consumption means that it can be used in a cost effective manner, and its high power rating ensures that it can handle higher voltages and currents than other through hole resistors. Its high temperature stability ensures it will not be damaged by thermal shock, and its low radiation emission levels make it suitable for use in sensitive equipment. Finally, its shock resistance ensures that it can withstand even the toughest of environments.

Conclusion

The RWR81S3900FRB12 is one of the most reliable and dependable through hole resistors on the market. Its high power rating, temperature stability, low radiation emission levels, and shock resistance make it an excellent choice for a variety of applications. It is an ideal choice for applications where reliability and dependability are a must, and its low power consumption makes it an economic choice as well. By utilizing the RWR81S3900FRB12, device and system designers can rest assured that their projects will be reliable and of the highest quality.

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