SFR25H0008201FR500

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Through Hole Resistors are essential components in electronic circuits which enable the control of current and voltage flow and protect against potential damage from sudden increases in current. The SFR25H0008201FR500 is one such resistor, a Snap Fry Resistor with a Through-hole mount that is widely used in industrial control and consumer electronics. This article will provide an examination of the application field and working principle of the SFR25H0008201FR500.

Application Field

The SFR25H0008201FR500 is a Through Hole Resistor designed to offer high accuracy, low noise, medium power and a wide resistance range – from as low as 0.4ohm to 1000kohm – making it suitable for many applications. As well as industrial control and consumer electronics, this resistor is suitable for automotive, radio and telecommunications, and instrumentation machines. In industrial applications, the SFR25H0008201FR500 is particularly useful in factory automation systems, industrial communications systems and distributed control systems. Its low noise performance ensures precise control of motors, pumps and other large power equipment. Additionally, the resistor provides low thermal noise so that current and voltage readings are more accurate.

Working Principle

The SFR25H0008201FR500 is a Through Hole Resistor with a built-in resistance that limits the flow of electricity. It works by turning electrical energy into heat energy, which makes the resistor warm. This is known as the Joule heating effect. When too much current passes through the resistor, it causes further increases in temperature, which can cause damage to the surrounding components. By using the SFR25H0008201FR500, the flow of current is limited so that the temperature does not get too high.

The resistor is also designed to reduce electromagnetic interference (EMI) and radio frequency interference (RFI). This is done by having a winding construction in the resistor that touches the copper track. This ensures that the flow of electrical current is limited and regulated, which helps reduce the levels of EMI and RFI present. The thermal coefficient of the SFR25H0008201FR500 is also extremely low. This means that the temperature of the resistor has very little effect on its electrical properties, making it suitable for use in environments where temperatures can fluctuate greatly.

Conclusion

The SFR25H0008201FR500 is a Through Hole Resistor designed to offer accuracy, low noise, medium power and a wide resistance range. Thanks to its unique winding construction, the SFR25H0008201FR500 is suitable for industrial control applications, consumer electronics, automotive, radio and telecommunications and instrumentation machines, as well as helping to reduce EMI and RFI. Its low thermal coefficient also means it is suitable for use in environments where temperatures can fluctuate greatly.

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