PF2472-20KF1

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PF2472-20KF1 belongs to a type of through hole resistors. Through hole resistors, also known as leaded resistors, are resistors with two connecting leads designed to pass through a hole in the board. Such resistors have higher withstand voltage because of the better contact between the leads and the board. They are also larger and can dissipate more power than surface mount resistors.

PF2472-20KF1 is an axial resistor, with pins on both ends. It has a ceramic core and a metal tube. Its size is 25.4*7.5 mm and weight 4.3g. The power rating for the resistor is 0.125W. Various physical and electrical parameters of the resistor, such as temperature coefficient, load life and resistance accuracy, are checked and tested before launch into the market.

This resistor’s operational current rating varies from 12.4 mA to 20 mA and its operating temperature ranges from -55 to +125°C. It also has a 100V surge voltage rating, making it ideal for power applications.

The PF2472-20KF1 resistor is mainly used in a variety of high power, high frequency applications as well as voltage division circuits. The resistor is also used as a current limiter in different power devices. It has a wide variety of application fields such as motor control, lights dimmer, fan speed controllers, variable speed drives etc.

The typical working principle of the PF2472-20KF1 resistor is to resist the flow of electrons. The resistor is designed with copper and nickel alloy discs. The voltage applied to the resistor causes current flow through the discs, and the electrical energy is converted into heat energy. The resistors’ anodic oxidation film increases the refraction of electrons, resulting in a decrease of the current.

In conclusion, PF2472-20KF1 resistor is a through hole resistor with a ceramic core and metal tube body. It is mainly used in high power, high frequency applications and in voltage division circuits. Its operational current rating range is from 12.4 mA to 20 mA with a 100V surge voltage rating and its working principle is to resist the flow of electrons by converting the electrical energy into heat.

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