FCR3WSJT-73-13K

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Introduction

Through hole resistors, also known as axial component lead resistors, are components with resistive elements in a package where the lead wires can be leaded through the component\'s package. The most common type of through-hole resistor is the FCR3WSJT-73-13K, which is a subminiature banded axial-lead chip type resistor with a rated power of 7 W. These resistors are ideal for through-hole applications like miniature circuit boards, magnetic circuit breakers, heaters, and switched mode power supplies (SMPS). This article will discuss the application field and the working principle of the FCR3WSJT-73-13K and compare it to other types of resistors.

Application Field of FCR3WSJT-73-13K

FCR3WSJT-73-13K resistors can be found in a wide variety of applications. These resistors are commonly used in industrial, automotive, and commercial applications. They have low thermal resistance, which makes them suitable for high-power, high-temperature applications such as SMPS, as well as aviation and military applications. They are also widely used in audio applications, such as for the leveling of amplifier stages. Due to their small size, these resistors are also frequently used in portable, handheld electrical devices, such as cell phones, laptops, tablets, and digital cameras.

Working Principle of FCR3WSJT-73-13K

The FCR3WSJT-73-13K is a thin-film resistor, which means that the resistive element of these resistors is constructed with layers of metal, insulator, and semiconductor materials. The layers are deposited together in a vacuum chamber and then etched with a high-speed, computer-controlled laser. The laser etching process creates the resistance element in the form of a “meandered” pattern, which is then plated with a protective metal layer. This meandered pattern creates the resistance of the resistor by limiting the current that can flow through it.

The FCR3WSJT-73-13K is a high-precision, low-noise, and low-tolerance resistor, which makes it ideal for use in high-precision instrumentation and medical equipment. The resistor is also tested for reliability, durability, and temperature rating. It is also available in a variety of PCB mounting styles, which makes it suitable for a variety of circuitry applications.

Comparison with Other Types of Resistors

The main advantages of the FCR3WSJT-73-13K over other types of resistors are its high precision and low noise. For example, compared to wirewound resistors, the FCR3WSJT-73-13K has far lower noise levels. This makes it ideal for applications where low noise is critical, such as audio and instrumentation applications. In addition, the FCR3WSJT-73-13K has one of the highest power ratings among through-hole resistors, making it suitable for high-power applications. However, the FCR3WSJT-73-13K has a higher price tag than other types of resistors, which is the main disadvantage.

Conclusion

The FCR3WSJT-73-13K is an ideal through-hole resistor for high-power and high-precision applications such as AV equipment, instrumentation, medical devices, and SMPS. Its low thermal resistance and high power rating make it suitable for a wide variety of applications. Its high precision and low noise also make it ideal for audio and instrumentation equipment. However, the FCR3WSJT-73-13K has a higher price tag than other types of resistors, which is its main disadvantage.

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