FMF200FRF73-68K

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Through Hole Resistors

The FMF200FRF73-68K is a through-hole resistor which is used in many electrical applications, such as signal and power conditioning, circuit protection and noise suppression. It is designed with a high power rating and extra long shelf life, which makes it ideal for applications where longevity and temperature stability are important.

Working Principle

The FMF200FRF73-68K is a carbon film resistor which relies on its narrow resistance tolerance, low temperature coefficient of resistance, and low thermal time constants. This is achieved through the use of a ceramic core containing a highly resistive carbon film, which is produced through chemical vapor deposition. In this method, a mixture of metal salts combined with gaseous hydrocarbon material is placed in an oxygen-deficient atmosphere, in which the carbon material is deposited on the surface of the ceramic core.

Due to the highly resistive nature of the carbon material, the resistance of the resistor is inversely proportional to the current passing through it. As the current increases, the resistance decreases in a linear fashion. This is the core principle of operation of any resistor, and the FMF200FRF73-68K adheres to this principle as well. Its higher power rating makes it suitable for high current applications where traditional resistors might fail.

Application Field

The FMF200FRF73-68K is commonly found in power conditioning and circuit protection applications. It is ideal for use in power supplies that require high power levels and extended shelf life, such as those found in industrial, military, and aerospace systems. It is also suitable where high temperature stability and low tolerance variation is required, such as in precision amplifier circuits, temperature controllers, and frequency regulation systems.

In addition, it is often used in noise suppression applications due to its low temperature coefficient of resistance and low thermal time constants. This makes it suitable for use in low-noise capacitors, voltage regulators, and signal conditioning circuits as well as in any other application where noise suppression is necessary.

Conclusion

The FMF200FRF73-68K is a through-hole resistor which is designed for high power and long shelf life, making it ideal for applications such as industrial, military, and aerospace systems. It relies on its carbon film composition to achieve a linear relationship between current and resistance. This makes it suitable for use in power conditioning, circuit protection, and noise suppression applications.

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