EAC-20-222

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Power Line Filter Modules are electrical components used to suppress incoming power line noise from the power supply line. The EAC-20-222 module is a single-phase EMI power line filter module designed to attenuate common mode and differential mode conducted Electromagnetic Interference (EMI) and, at the same time, provide protection against transient over-voltage. This module is one of many power line filter solutions offered by the manufacturer and is ideal for industrial automation, office automation, security, and consumer electronics applications.

Application field of EAC-20-222

The EAC-20-222 module is mainly used in industrial automation, office automation, security, and consumer electronics applications. It can effectively reduce the common mode and differential mode conducted EMI from the power supply line. It also provides surge voltage protection and prevents any spikes in the incoming power that may damage sensitive electronics.

The EAC-20-222 module is designed to meet the full requirements of the EN 61800-3 standard and it is an appropriate choice for equipment used in harsh industrial environments. The EAC-20-222 module is also suitable for equipment used in medical applications or those requiring a low-noise environment. In addition, its rated voltage is 230V AC (±10%), frequency range 47-63Hz, and operating temperature is -25°C to +85°C.

Working principle of EAC-20-222

The EAC-20-222 power line filter module is designed to attenuate conducted EMI from the power supply line. It works by combining capacitors, inductors, and a resistor to create a low-pass filter that allows only frequencies below the cut-off frequency to pass through. This reduces the amount of EMI noise from external sources that could otherwise interfere with the performance of sensitive electronics.

The module also provides additional protection against transient over-voltage. This is achieved by using a combination of a resistive component, such as a resistor or Zener diode, and a surge protection device. Together, these components limit the voltage rise on the power line and clamp any voltage spikes quickly, protecting connected equipment from damage.

The EAC-20-222 power line filter module can also be integrated into the design of a power supply. This makes it easier to add the required amount of filtering capabilities, reducing the amount of board space that is required for additional filtering components. It also helps to reduce the overall power dissipation, allowing the design to run more efficiently with lower operating temperatures.

Conclusion

The EAC-20-222 power line filter module is an ideal solution for any application where EMI protection is important. Its combination of components provides effective EMI suppression and transient over-voltage protection, making it the perfect choice for consumer electronics, security, office automation, and industrial automation applications. Furthermore, it is certified to meet the full requirements of the EN 61800-3 standard, making it suitable for harsh industrial environments and medical applications.

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