NAP-10-471

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Power line filter modules are an important part of the power supply and electrical system. They are used to protect electrical devices from damaging voltage and current disturbances. The NAP-10-471 is an example of a power line filter module. It has many desirable characteristics, including small size, low cost, high efficiency, and a wide operating range. Let’s take a closer look at its application field and working principles.

NAP-10-471 is a two-stage differential filter module with a common mode attraction (back-current) filter. The filter features an Aluminum Electrolytic Capacitor (AEC) for high-frequency common mode noise, and a Transformer for differential-mode interference. Its basic purpose is to reduce high-frequency noise, while allowing the signals of valid frequencies to pass through. It is mainly used in smart home appliances, medical equipment, power supply systems, and other such environment, for example, to improve the power efficiency and reduce electromagnetic interference (EMI) and common mode noise.

The NAP-10-471 is easy to install and requires minimal wiring. It operates by creating a barrier between the input and output of an electrical system, thus preventing noise from passing through. It is designed to suppress high-frequency voltage spikes, reduce differential mode noise, and allow signals of valid frequencies to pass on to the output. The capacitance reduces common mode noise, and the choke inductance reduces differential mode noise. The transformer –connected in series between the capacitors and load– isolates the input and output, thus preventing the passage of RF interference.

The NAP-10-471 can operate in a wide range of operating temperatures from -25 to +85 degrees Celcius. The total capacitance value can range from 16uf to 30uf with a voltage rating of 250 VAC. The choke inductance is 1mH, and the rated current is 10amp. The module features a thermal cut-out switch that will open if the temperature exceeds 140 degrees C. The EMI/RFI power line filter can also handle frequencies from 50Hz to 300kHz.

Overall, the NAP-10-471 power line filter module offers an efficient solution to reduce EMI and common mode noise for various power supply and electrical systems. Its small size, low cost, and wide operating range make it an attractive choice. With its high efficiency, this power line filter helps to ensure the reliable operation of the connected electrical devices.

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