RWR89N2490FRS73

Series:	Military, MIL-PRF-39007, RWR89N
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	249 Ohms
Tolerance:	±1%
Power (Watts):	3W
Composition:	Wirewound
Features:	Military, Moisture Resistant, Non-Inductive
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 ResistorsThrough hole resistors (THR) are incredibly important components in any circuit assembly. They are primarily used to limit electrical current within a circuit and allow electric signals to be accurately controlled. This makes them invaluable for electrical engineering projects, from consumer electronic products to large industrial machinery.The most common through hole resistor design is the RWR89N2490FRS73, a 5%, 2W resistor with a 9mm body diameter. This component is used in a wide range of applications, from filtering and sound reproduction systems to high-power security systems and medical devices. Due to its reliable performance and attractive size and shape, the RWR89N2490FRS73 is one of the most popular through hole resistors available on the market today.The RWR89N2490FRS73 is a lead-based resistor, meaning it is composed of a conductive material mounted to a non-conductive substrate. The conductive material is usually an alloy of copper, nickel, and tin. The substrate is usually a ceramic, plastic, or epoxy base. The substrate is typically coated with a protective layer of epoxy or ceramic to protect it from environmental damage.At the heart of the RWR89N2490FRS73 is its resistive element, which is made from a thin strip of metal. This strip is wound around a cylindrical former and then layered with two different coatings. The first coating is a thick protective layer of epoxy or ceramic that insulates the resistor from environmental damage. The second coating is a thin metal film that provides the resistor with its resistance value and protects it from heat damage.The RWR89N2490FRS73 is a high-quality product built with precision and attention to detail. In addition to being resistant to environmental damage, the resistor is highly dependent in terms of its electrical characteristics. The resistance value is very consistent over a broad range of temperatures, and its ohm value is reliable up to its rated temperature of 125°C.The RWR89N2490FRS73 also features a low electrical noise level due to its very low self-capacitance characteristic. This ensures that the resistor produces minimal interference in sensitive circuitry. Its resistance to problems resulting from magnetic field variations is also impressive, making it suitable for use in applications near motors or similar machinery.Thanks to its high-quality features and reliable performance, the RWR89N2490FRS73 is an ideal choice for a variety of applications. With its reliable performance and attractive size and shape, it is ideal for general-purpose applications such as power supplies, audio amplifiers, and PCB assemblies. It is also popular for use in security systems, medical devices, other high-power systems, and more.Overall, the RWR89N2490FRS73 is an impressive component that offers reliable performance and attractive design in a wide range of applications. With its resistance to environmental and electrical damage, low electrical noise characteristics, and attractive size and shape, it is the perfect choice for engineers looking to build a reliable, high-quality circuit assembly.

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