MFR25SFRF52-22K6

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Through Hole Resistors are a common type of discrete passive component, which are used widely in a variety of electrical and electronic circuits. MFR25SFRF52-22K6 is a through-hole resistor, which is made of metal film and used for providing resistive load, acting as a voltage divider.

Applications of through hole resistors

Through hole resistors are mainly used to accurately control the amount of current, which flows through a circuit. They are also used for noise suppression, signal attenuation, protection against overload, stability enhancement, voltage reference, and other applications. Through hole resistors are often employed in circuits with high-frequency signals, as they have good high-frequency characteristics. Some of the other applications of through hole resistors include:

• They are used in power supplies, audio Amplifiers, wireless communication systems, and many other electronic systems to control the current and voltage in the circuit.
• Through hole resistors are used to provide feedback in control systems, which improve the stability of the system and minimize the effects of external noises.
• They are used in signal conditioning circuits, to limit the amount of current, which flows through the circuit.
• Through hole resistors are used to filter out undesirable frequencies, while allowing desirable frequencies to pass through.
• They are used in telecommunication systems to match the impedance in the line.
• Through hole resistors are used in oscillators to maintain a stable oscillation frequency.

Working Principle of MFR25SFRF52-22K6

MFR25SFRF52-22K6 is made of a metal film, such as cobalt, nickel or nickel-chromium alloy, which is then deposited on an insulating substrate, such as glass or ceramic. The resistance of the resistor is determined by the thickness of the metal film and the length and width of the resistor. The resistance value of the resistor is further determined by the number of turns of the metal film.

In order to increase the accuracy of the resistance, laser trimming is commonly employed. During this process, the laser is used to heat the resistive element, resulting in a change in the resistance. This allows for a precise adjustment of the resistance value to within a few percent of the target value.

In order to reduce the electrical noise generated by the resistor, a coating is usually applied over the resistive element. This coating helps to reduce the contact noise, which can otherwise interfere with the operation of the circuit.

Conclusion

MFR25SFRF52-22K6 is a Through Hole Resistor with a metal film that is used for providing resistive load, acting as a voltage divider. It has a wide range of applications such as current and voltage control, noise suppression, signal attenuation, protection against overload, signal conditioning, and telecommunication. By adjusting the number of turns of the metal film and laser trimming, the accuracy of the resistance value can be achieved.

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