RWR89S2870FRS73

Series:	Military, MIL-PRF-39007, RWR89S
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	287 Ohms
Tolerance:	±1%
Power (Watts):	3W
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:	0.187" Dia x 0.560" L (4.75mm x 14.22mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	R (0.01%)

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Through Hole Resistors

RWR89S2870FRS73 Applications and Working Principles

Through hole resistors are widely used in many applications as they are passive components that limit the flow of current and drop voltage to maintain a safe working condition. These types of resistors are available in physically-encased components with wire lead connections that are threaded through wires for the purpose of constructing circuits. The RWR89S2870FRS73’s application field and working principle will be covered in detail in this article.The RWR89S2870FRS73 is a through-hole (TH) power resistor that provides accurate power and thermal resistance. It is a two-terminal resistor that limits current and drops voltage to provide a stable operating environment for electrical systems. The widely used TH resistor is made up of a carbon film with metal oxide contact layers and is capable of handling power ranging from 0.2 to 7 watts. This property makes the resistor suitable for a wide range of applications, including audio systems, power supplies, or as an alternative for wire-wound resistors when high power is required.In addition to its ability to safely handle power, the RWR89S2870FRS73 is also distinguished by its high reliability and low temperature coefficient. The low temperature coefficient ensures that the resistor maintains its resistance in fluctuating temperatures while the high reliability ensures the resistor’s reliability over time. Furthermore, the resistor has a typical resistance range of 0.1 to 50 kΩ and a temperature range of -40°C to +125°C. This wide range of operational conditions makes the RWR89S2870FRS73 an ideal choice for many applications.The working principle of the RWR89S2870FRS73 is simple and easy to understand. The resistor is a passive component; it consumes no energy and produces no output. It works by reducing current flow and dropping voltage to a stable level in order to protect the system from damage. This is achieved by the resistor absorbing power supplied by the system and converting it to heat. The resistor\'s thermal resistance then dissipates the heat away from the system, allowing it to remain stable and operating at a safe level.The RWR89S2870FRS73 through hole resistor is a versatile and reliable component that is suitable for a variety of applications. It is able to handle power up to 7 watts and maintain its resistance in fluctuating temperature conditions. With its simple working principle and low temperature coefficient, it is an excellent choice for projects requiring accurate power and thermal resistance.

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