RWR81S1R37FSB12

Series:	Military, MIL-PRF-39007, RWR81S
Packaging:	Bulk
Part Status:	Active
Resistance:	1.37 Ohms
Tolerance:	±1%
Power (Watts):	1W
Composition:	Wirewound
Features:	Military, Moisture Resistant
Temperature Coefficient:	±50ppm/°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:	S (0.001%)

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Through Hole Resistors

Through hole resistors are widely used in a wide variety of electronic applications. In particular, RWR81S1R37FSB12 through hole resistors are popular for their low capacitance, high accuracy and high power handling. In this article we\'ll discuss the application fields and working principle of RWR81S1R37FSB12 through hole resistors.

Application Fields of RWR81S1R37FSB12 Resistors

RWR81S1R37FSB12 through hole resistors are commonly used in high precision electronic applications that require stability and accuracy. Examples include motion control systems, temperature measurement systems, power supply units, industrial motor controllers, and specialized scientific instruments.

Working Principle of RWR81S1R37FSB12 Resistors

RWR81S1R37FSB12 through hole resistors work by creating a small electrical current when an electrical signal is passed through them. This current is converted into a voltage which is used to measure or control the signal passing through the resistor.RWR81S1R37FSB12 resistors take advantage of the resistance created from a combination of metal wires. By winding a set of wires around a non-conductive insulation material, and placing a ceramic-coated resistor in the center, a strong resistance is created. This resistance is referred to as the "resistance value" or "impedance" of the resistor. The higher the resistor’s resistance value, the higher its resistance and the lower its current. The resistor’s resistance value is also affected by the temperature in which it is used, as temperature affects the resistance of the wires themselves.The process of winding the wires around the ceramic-coated resistor is known as "wind-and-hold" winding. During this process, the non-conductive insulation material will be held down, and the wire will then be wound around it. This ensures that the resistance value of the resistor remains constant over time, as the insulation material will prevent the wire from being moved or stretched.When a current passes through the resistor, it causes electrical heating of the resistor, which is known as self-heating. Self-heating can cause the resistor to become hot enough, that it begins to heat up its surrounding components. This can cause the resistor to fail, and subsequently the system in which it is used.In order to prevent this issue, RWR81S1R37FSB12 resistors have undergone high levels of thermal qualification tests, ranging from -25°C to 145°C. These tests ensure that self-heating doesn\'t cause the resistor to fail, thus increasing its reliability and longevity.Finally, RWR81S1R37FSB12 resistors are designed to handle high power and voltage levels. The exact voltage and power that the resistor can handle vary, depending on the application and the type of resistor used. Typically, RWR81S1R37FSB12 resistors can handle up to 250V and 25W of power.

Conclusion

RWR81S1R37FSB12 through hole resistors are widely used in a variety of electronic devices due to their low capacitance, high accuracy and high power handling. They work by generating a small current when an electrical signal passes through them, which is then converted into a voltage to measure or control the signal. Additionally, they have undergone extensive thermal qualification tests to ensure that resistors don\'t fail due to self-heating, while still being able to handle high power and voltage levels.

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