NAM-20-471-DXU

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Power Line Filter Modules are an important part of many electronic and electrical circuits. The NAM-20-471-DXU is a product of this type, designed to protect sensitive electronic circuits from the excessive power line noise. In this article, we will look at the application field and working principle of this module.

Application Field

The NAM-20-471-DXU is a power line filter module suitable for DC control circuit and lighting systems. It is designed to filter out the high-frequency noise, eliminating the “ripple” that can be seen on the output waveform. The module has a rated input voltage of 12V, and can therefore be used in low voltage applications, such as automotive electronic systems, robotics and embedded systems.

In addition, the module can also be used in home appliance control systems. As it is designed for wide frequency range, it can also be used for AC power line noise filter. This is a very important role for such power line filter modules, as it prevents sensitive electronic components from being damaged by electrical noise.

Working Principle

The NAM-20-471-DXU is based on inductor technology. The module consists of two common mode inductors, which are used to reduce the common mode interference. The two inductors are placed in series, with the output connecting to the load. The inductors form a low-pass filter, which will allow low-frequency signals to pass through while attenuating high-frequency signals.

The module also contains decoupling capacitors, which provides additional protection by allowing any high-frequency signals to be short-circuited. As a result, the common mode interference is significantly reduced and the output voltage is safe from the damage of high-frequency noise.

The NAM-20-471-DXU is also designed with a special over-voltage protection feature. It monitors the input voltage and will reduce the output voltage if the input voltage exceeds a certain level. This prevents the module from being damaged by excessive power line noise.

Conclusion

The NAM-20-471-DXU power line filter module is suitable for a wide range of applications, and can provide effective protection against power line noise. It is also designed with over-voltage protection, ensuring that the module is not damaged by excessive power line noise. This makes the NAM-20-471-DXU an ideal choice for applications that require reliable and efficient power line filtering.

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