MXB1220-33

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Power Line Filter Modules are used to reduce electromagnetic interference (EMI) caused by power cables in various electronic systems. The MXB1220-33 is a filter module from Murata Electronics specifically designed to suppress EMI radiant noise caused by high-frequency digital switch-mode power supplies (SMPS). The module helps to improve system reliability and stability by providing a low-pass filtering solution.

In general, the MXB1220-33 provides a high-performance, low-profile, miniature filter solution for switching power supply circuits. The module uses high-quality components such as capacitors, inductors, and resistors, to provide a robust filtering solution. Its compact design and low-profile components allow it to be easily integrated into power supply circuits with minimum impact on space requirements. Furthermore, the module is optimized for use in ac/dc power supplies with a wide common-mode voltage range up to 200 V peak-to-peak, making it suitable for a variety of applications.

The Main features of the module include a high common-mode rejection ratio (CMRR) of greater than 80 dB, up to 40 dB of low-frequency attenuation, and a voltage rating of up to 220 V, making it suitable for a wide range of applications. Its performance is also greatly improved by its use of sector-shielded technology, which improves its attenuation level up to 40 dB and greatly reduces common-mode leakage current. Furthermore, the module is capable of withstanding a wide range of temperature, thereby providing a reliable filtering solution for long-term operation.

The MXB1220-33 operates using a basic principle known as “Ohm\'s law”. When the module is placed on a power line, it will act as a resistor, drawing a small amount of current. This current will cause an inductance in the module, which in turn will filter out any unwanted signals and reduce interfering noise from entering or leaving the power line. As a result, the module provides a reliable and efficient filtering solution for SMPS circuits.

Furthermore, the MXB1220-33 is a versatile filter module which can be used in various applications, including ac/dc adapters, power supplies, laptop computers, LCD displays, and industrial robots. Consequently, Murata Electronics is dedicated to providing a quality product according to the highest standards and boasting ultra-low-profiles, making it ideal for those seeking a comprehensive, reliable filtering solution for their electronic systems.

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