NAH-20-472-D

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Power Line Filter Modules are an important component in many electrical systems, providing noise reduction by suppressing both conducted and radiated noise. The NAH-20-472-D is a specific type of power line filter module designed to meet the demands of a wide variety of applications. This article discusses the application field and working principle of the NAH-20-472-D.

The NAH-20-472-D has a wide range of applications, suitable for installation in computer and office equipment, industrial systems, audio and video equipment, and other consumer electronics. It is designed to provide reliable operation in a wide range of operating temperatures. The module also provides excellent protection against indirect lightning surges with robust EMC performance under all conditions. It is also designed for high noise immunity, providing excellent protection against conducted and radiated electromagnetic interference.

The NAH-20-472-D is designed around a single-phase EMC filter configuration. It features two capacitors, two inductors, and one resistor with a rated voltage of 250V. This combination allows it to provide excellent common-mode attenuation and differential-mode attenuation performance. The filter also offers high power handling, with a maximum ripple current rating of 4.5A. Additionally, it is designed to withstand high surge ratings, providing protection against indirect lightning surges of up to 10kV in peak amplitude.

In operation, the NAH-20-472-D acts as a filter for noise across a wide range of frequencies. The inductors and capacitors serve to block high frequency noise, while the resistor provides a low-pass filter for low frequency noise. This allows the filter module to effectively suppress noise of varying frequencies. The module also features a unique self-cleaning feature, which helps reduce the need for periodic maintenance.

The NAH-20-472-D is a popular option for many applications due to its combination of performance and reliability. It offers excellent common-mode and differential-mode attenuation performance, allowing it to effectively shield sensitive circuitry from conducted and radiated interference. Additionally, its high power handling and surge protection capabilities make it a durable and reliable filter option.

In summary, the NAH-20-472-D is an effective power line filter module, suitable for use in a variety of applications. It is designed to provide excellent common-mode and differential-mode attenuation, high power handling, and surge protection capabilities. Additionally, it features a unique self-cleaning feature, which helps reduce maintenance requirements. As such, it is a popular choice for many electrical systems.

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