MGPWC-00039-P

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Common Mode Chokes (CMCs) are frequently used components used in EMI (Electromagnetic Interference) filtering. They are typically used in DC/DC converters, power supplies, LCD and Plasma TV sets, and LCD monitors. They are also used in various medical and industrial equipment. The MGPWC-00039-P is a CMC from Panasonic that is specifically designed for EMI filter applications in the 20kHz to 200MHz range. In this article, we will discuss the application field of the MGPWC-00039-P and its working principle.

Application Field

The MGPWC-00039-P from Panasonic is an EMI filter CMC designed for medium and high frequency applications. It is suitable for various types of EMI filter circuits including those used in machine control systems, audio equipment, medical equipment, and other applications which require low-noise operation. The MGPWC-00039-P has a nominal current rating of 3A and can be used with line frequencies up to 200MHz, making it a great choice for many EMI filtering applications.

Working Principle

CMCs are typically designed to operate in a common mode circuit, meaning that they reduce the amplitude of electromagnetic interference signals that are common to two or more signal lines. This is achieved by creating a high impedance (resistance) path for common mode currents, which reduces the amount of EMI that can flow through the lines. The MGPWC-00039-P works on the same principle, but it is designed specifically for medium and high frequency applications. It utilizes two coils wound around a core of ferrite material, with the first coil being the primary winding and the second coil being the secondary winding. The primary winding is connected to the input power lines, and the secondary winding is connected to the output power lines. The ferrite core provides high impedance, which reduces the amplitude of EMI signals that are common between the input and output lines.

The MGPWC-00039-P also has a built-in capacitor, which helps to reduce high frequency noise. High frequency noise is typically generated by switching and can cause problems in electronic circuits. The capacitor helps to reduce the amount of high frequency noise by providing an alternate path for these signals, thus reducing the amount of noise that reaches the sensitive electronic components of the circuit.

Conclusion

The MGPWC-00039-P is a common mode choke from Panasonic that is designed for EMI filter applications in the 20kHz to 200MHz range. It is suitable for use in a wide range of applications, from machine control systems and audio equipment to medical equipment. The MGPWC-00039-P works on the principle of creating a high impedance path for common mode currents, thus reducing the amplitude of EMI signals that are common between the input and output lines. It also has a built-in capacitor, which helps to reduce high frequency noise. With its wide range of features and relatively low price, the MGPWC-00039-P is a great choice for many EMI filter applications.

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