PE-0302MCMC470MT

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Common Mode Chokes

Common mode chokes are electronic components used to filter or suppress common-mode interference signals on two or more signal lines. They also work as a type of electrical transformer, allowing for a current on one side of the component, while preventing the current from traveling across the other side. This type of filtering helps reduce noise and voltage fluctuations, while increasing the quality and stability of the electrical circuit.

The PE-0302MCMC470MT common mode choke plays an integral role in a number of applications, including power supplies, DC/DC converters, telecommunication systems, industrial machinery, and home audio/video equipment. It has a size of 0.3 x 0.3 x 0.2 inches, making it suitable for compacted designs. The choke can withstand a large amount of current with peak inrush current reaching up to 100 A. It also offers a very low DC resistance (DCR) of 0.08Ω, while operating at a frequency range of 400 kHz to 10MHz.

Working Principle

The common mode choke works on the principle of electromagnetic induction and provides high performance in terms of inductance. It consists of two symmetrical windings wrapped around a ferromagnetic core, with the two windings being electrically insulated from each other. Common mode current flows through both windings in the same direction, while the differential-mode current flows through the windings in the opposite direction. Consequently, it induces a voltage into each winding and the differential-mode current is suppressed while the common-mode current passes through.

The PE-0302MCMC470MT common mode current is designed to attenuate high frequency common-mode noise. It features an effective EMI filtering capability of approximately 10 dB at frequencies of 30 MHz, making it highly useful in telecommunications and audio/video applications that require excellent noise suppression. In addition, the component features high thermal stability with a working temperature range of -25°C to 85°C.

Conclusion

The PE-0302MCMC470MT is an effective common mode choke, which can be used in a variety of applications that require noise suppression. It can effectively attenuate high frequency common-mode noise, while offering a low DC resistance and a wide working temperature range.

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