RN55D2261FBSL

Series:	Military, MIL-R-10509/7, RN55
Packaging:	Bulk
Part Status:	Active
Resistance:	2.26 kOhms
Tolerance:	±1%
Power (Watts):	0.125W, 1/8W
Composition:	Metal Film
Features:	Flame Retardant Coating, Military, Moisture Resistant, Safety
Temperature Coefficient:	±100ppm/°C
Operating Temperature:	-65°C ~ 175°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.090" Dia x 0.240" L (2.29mm x 6.10mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors

A variety of resistor designs are available today, and through hole resistors are some of the most common and simplest types. The RN55D2261FBSL is an example, a small axial lead resistor with a power rating of 2 watts. In this article, we will explain the application field and working principle of this part.

Application Field and Working Principle of RN55D2261FBSL

The RN55D2261FBSL is ideal for use in applications where space is tight, and where through hole components are still necessary. It provides low power dissipation as well as high temperature stability and excellent reliability. Typical applications include automotive, audio and video, metering, and instrumentation equipment; power management circuits, such as lighting ballasts, line and load regulation, and switching power supplies; and communication circuits such as digital cellular phones, video modems, and pc cards. Thanks to their wide range of uses, these resistors are gaining in popularity.The basic principle of operation of the RN55D2261FBSL is to provide a fixed electrical resistance between two points in a circuit, known as its terminals. This is done using a carefully prepared length of resistive material, typically a metal alloy, such as manganese, copper or nickel, which serves to restrict the flow of current through the resistor. By controlling the amount of resistance present in the resistor, the flow of current can be controlled. This enables the control of the voltage or current in a circuit, making resistors a basic building block for all types of electrical and electronic circuits.The RN55D2261FBSL is a through-hole resistor, meaning that it is mounted within a circuit by passing its leads through a pair of small holes in a printed circuit board (PCB), and then soldering them into place. The device’s leads are sealed to ensure that the resistive material within remains secure and protected from environmental contamination. The application of heat and solder during assembly also ensures a secure connection between the device and the PCB, providing stable and reliable operation over its operational lifetime.

Conclusion

The RN55D2261FBSL is a through hole resistor ideal for applications where space is tight, where through hole components are still necessary. Its size, low power dissipation, high temperature stability, and excellent reliability make it suitable for a wide range of applications, including automotive, audio and video, metering, and instrumentation equipment; power management circuits, and communication circuits, such as digital cellular phones, video modems, and pc cards. The principal of operation of this component is to provide a fixed electrical resistance between two points to restrict the flow of current, resulting in the regulation of voltage and/or current within a circuit. Finally, the components’ leads are soldered into place, providing a secure connection to the circuit board.

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