NBH-30-681-D

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Power Line Filter Modules are common components in electronic applications. These filter modules are designed to reject signals from an oscillating source which could interfere with other processes or components. The NBH30-681-D filter is a specific type of power line filter module, and its application fields and working principle are discussed in this article.

The NBH 30-681-D is a filter module typically used in AC mains power support, DC drives, and drive circuits. It is designed to reduce electrical noise or interference from sources such as motors and other switching circuits. This filter is a three-line module containing a common mode choke, line to line capacitor, and line to ground capacitor. The module has a rated 300 Wif current of 6.8 mA and a rated voltage of 250 Vrms.

The NBH30 681 D module works by first using the common mode choke to filter out any high frequency and common noise. This noise is caused by oscillating currents travelling through the components connected to the module. The common mode choke reacts to the current and absorbs the noise. The line to line and line to ground capacitors then filter out any additional noise sources. The capacitors serve to reduce noise by blocking all frequencies above their self-resonant frequency. The combined effect of the common mode choke and capacitors results in a significant reduction in electrical noise.

The NBH 30-681-D module is an easy to install filter module that meets all applicable safety standards and is relatively cost effective. This module is RoHS compliant, meaning it is manufactured with fewer hazardous substances than many other filter modules. It is also highly reliable and provides excellent performance in high-temperature and moisture environments. This filter module is widely used in areas such as power supplies, controllers, and industrial controls.

Overall, the NBH30-681-D is a power line filter module designed to reduce electrical noise from sources such as motors and switching circuits. Its common mode choke and line to line and line to ground capacitors act together to reduce electrical interference by absorbing and blocking unwanted frequencies. This filter is RoHS compliant and provides excellent performance and reliability, making it suitable for a wide range of applications.

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