RCH855NP-220K

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Fixed inductors are electrical components commonly used in electrical and electronic circuits. RCH855NP-220K is an example of such inductors, made of ferrite and wire coil, and is customized for EMI suppression applications.

Applications

RCH855NP-220K is designed with space-saving in mind so that its leads are able to flex through a narrow space. Its high inductance and low current capacity makes it suitable for high frequency EMI suppression especially in computer and consumer electronics. It has great durability since it can sustain high temperature and humidity, and its self-resonant frequency is very low to minimize circuit interference.

Working Principle

Fixed inductors work by inducing a current in the surrounding circuit which is out of phase from the voltage. The device consists of a core material such as iron and a coil of wire, subjected to a magnetic field. When a voltage of the correct frequency is applied, a alternating current flows in the wire and creates a magnetic field. This magnetic field interacts with the coil and creates an opposing force, slowing down the current. This resulting current is in phase with voltage, but runs at the opposite polarity. This can be used to great effect to reduce the transmission of noise in a circuit, for example.

Design Consideration

The split core design of RCH855NP-220K allows the coil to flex through narrow spaces without sacrificing any performance benefits. It is also designed to have low losses, so that the performance is not compromised due to heat dissipation. All components are carefully chosen to ensure that the inductor remains within its working temperature range. Additionally, its solderability is designed to meet the JEDEC Specs for enhanced reliability of mechanical and electrical performance.

Conclusion

RCH855NP-220K is an example of fixed inductors, specifically designed for high frequency EMI suppression. Its design features, such as flexible coil and low power losses, make it suitable for such applications. Furthermore, it has high durability due to its ability to sustain high temperature and humidity, and is compliant with JEDEC specifications.

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