RN55C2343BBSL

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Through Hole Resistors

Through-hole resistors are small cylindrical electronic components with two metal terminals or legs that extend through the holes in a printed circuit board. When connected, they permit the flow of electrical current to be restricted or completely blocked in an electronic circuit. As a result, through-hole resistors are used for a variety of purposes in circuits, including current sensing, signal protection, noise attenuation, voltage and current dropping, and voltage division.

The RN55C2343BBSL is a through-hole resistor from the industry leading Bourns Inc. range of Thick Film Resistors. The component consists of a cermet core containing a finite layer of resistor material that is barrier-coated with a pre-applied pressure-sensitive adhesive (PSA). The resistor’s tight tolerance, low resistance values and wide temperature range make it suitable for a wide variety of applications from consumer electronics and automotive to military, aerospace and medical markets.

Application Field

The RN55C2343BBSL is designed for use in many different types of applications, including digital logic circuits, power supply voltage regulation, signal conditioning, audio circuitry, modems, and telecommunications equipment. Its reliable performance and superior construction make it ideal for use in environments with a high demand for signal strength, stability, and precision in industrial and military applications. For automotive applications, the RN55C2343BBSL is used in airbag and airbag controller circuits and in ignition systems.

Working Principle

The working principle of a through-hole resistor is simple. When current is applied to the terminals, the resistor material inside the core of the resistor controls the flow of electrical current. The resistor’s resistance value is determined by the composition of the internal resistor material, as well as the thickness and length of the resistor material layer. The RN55C2343BBSL is a high-precision through-hole resistor that uses a special resistor material and design to reduce the resistance value variation due to temperature and time.

The PSA coating helps to improve the reliability of the resistor by providing an inextricable bond between the core and the printed circuit board. Additionally, the PSA prevents mechanical damage to the core, and it helps to dissipate heat generated by the resistor material. An additional advantage of the RN55C2343BBSL is its temperature coefficient of resistance (TCR), which is the amount of resistance change that occurs in response to a temperature change. The RN55C2343BBSL has a TCR rating of less than 75 ppm/°C, which helps to ensure reliable performance over the entire operating temperature range of -55°C to +125°C.

Conclusion

The RN55C2343BBSL is a through-hole resistor with excellent performance and construction. Its tight tolerance and low resistance values make it ideal for demanding applications, while its PSA coating and low TCR provides superior reliability and signal integrity. As a result, it is suitable for a variety of applications, including digital logic, modems, power supply, and signal conditioning. Whether for industrial or automotive applications, the RN55C2343BBSL is an ideal choice for those seeking a high-precision through-hole resistor.

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