RWR81S4R42FSB12

Series:	Military, MIL-PRF-39007, RWR81S
Packaging:	Bulk
Part Status:	Active
Resistance:	4.42 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 the most commonly used electronic components for providing electrical resistance and controlling current flow in various electrical circuits. This type of resistor typically consists of two metal disks, known as terminals, connected by a conductive wire or metal bridge inside a cylindrical ceramic casing. This type of resistor was invented in the early 20th century and is still used in many areas of electronic design today. The specific model "RWR81S4R42FSB12" is a type of through hole resistor, and has proved to be very popular in a wide variety of applications. The most common application for through hole resistors is in the control of voltage in a circuit. By using this type of resistor, one can ensure that the voltage in a given circuit does not exceed the specified voltage reading. In addition, through hole resistors can also be used to control the current in a circuit and reduce it when necessary. This is particularly useful in the protection of sensitive electronic components, such as microprocessors and transistors. For this reason, through hole resistors are often used in the manufacture of computers, smartphones, and other electronic devices. Through hole resistors also offer numerous benefits when it comes to their working principles. They are known for their reliability and are not prone to failure when exposed to extreme temperatures and high voltage. Additionally, through hole resistors can be manufactured to very precise specifications, as they are typically sold in a range of ohm ratings. This means that designers can specify resistors for exactly the required purpose. Finally, the cylindrical ceramic design of through hole resistors makes them easy to install and reliable in the long term.The "RWR81S4R42FSB12" through hole resistor is a highly reliable model, offering both reliable performance and precise specifications for a variety of applications. This model is commonly used in commercial and industrial electronic applications due to its highly reliable performance and low cost. The model features a metal bridge that connects the two terminals and a ceramic casing that makes it resistant to extreme temperatures. The bridge provides a low resistance path for the current to flow, while the ceramic casing helps to increase the reliability of the resistor.In terms of working principle, the "RWR81S4R42FSB12" resistor works similar to other through hole resistor models. It provides a low resistance value that is specified by the ohm rating on the resistor. This allows a specific amount of current to pass through the resistor before it reaches its maximum value. This, in turn, helps protect sensitive components in circuits and avoid excessive damage from too much current passing through them. Additionally, the ceramic casing helps to ensure that the resistor remains reliable and retains its low resistance value even when exposed to extreme temperature fluctuations.Overall, the "RWR81S4R42FSB12" through hole resistor is a highly reliable and versatile model offering numerous benefits over other types of resistors. Due to its reliable performance, precise specifications, and low cost, this model is commonly used in commercial and industrial electronic applications. Additionally, its ceramic casing and metal bridge help to ensure that its resistive properties remain stable, even under extreme temperature fluctuations. This makes it an excellent choice for any circuit design.

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