NAH-30-331-D

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Power Line Filter Modules are devices which have been designed to protect an electrical system against interference from electromagnetic radiation passing along the power line. NAH-30-331-D is one such type of module and is widely used in many industries. This article will discuss the application field and working principle of the NAH-30-331-D.

The NAH-30-331-D is a multi-stage power line filter module designed for use in a wide range of applications. It is suitable for applications that require high levels of transient protection, such as industrial and computing systems. The module has a wide operating voltage range of 12 to 24V DC and can handle loads up to 30A. The module has an Impedance Range of 1 kohm to 3 ohms and is capable of filtering both Common mode and Differential mode noise. It has a high level of surge protection capability, as well as the ability to filter out unwanted noise from power sources.

The NAH-30-331-D module features four stages of filtering, each with its own particular application. The first stage is a non-linear filter, which is designed to suppress fast risetime transients. This helps to reduce the amount of noise on the power line, which can interfere with system performance. The second stage is a Linear Passive Filter, which is designed to reject constant harmonic distortions from the power supply. The third stage is an Active Filter, which is designed to further reduce fast risetime transients and to block high frequency noise. Finally, the fourth stage is a Linear Transformer, which helps to ensure a steady state load even on noisy power lines.

The application field of the NAH-30-331-D includes communications systems, industrial control systems, robotic systems, automotive systems, and computer systems. It can be used for both EMC and RFI protection. The module can also be used as an ESD protection device, as its four stages of filtering provide ample protection from ESD events. In addition, the module provides protection from conducted common mode noise, which is often a problem in certain noisy industrial environments.

The working principle of the NAH-30-331-D is based on the principle of differential-mode filtering. The module combines a linear passive filter, an active filter, and a linear transformer to filter the incoming power line noise. The linear passive filter is designed to reject unwanted harmonic distortion, while the active filter works to reduce fast rise-time transients and block high frequency noise. The linear transformer helps to ensure a steady state load even in noisy environments. The module is also designed to protect from Electrostatic Discharge (ESD) events, as its four stages of filtering provide adequate ESD protection.

In conclusion, the NAH-30-331-D is a power line filter module which can be used for a wide range of applications. The module has four stages of filtering, which provide excellent performance in terms of EMC and RFI protection, as well as ESD protection. The module is suitable for applications that require high levels of transient protection such as industrial and computing systems. The working principle of the module is based on the principle of differential-mode filtering and is designed to protect against conducted common mode noise, fast risetime transients, and high frequency noise.

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