NAP-04-101

Series:	NAP
Part Status:	Active
Filter Type:	Single Phase
Configuration:	Single Stage
Voltage - Rated DC:	250V
Voltage - Rated AC:	250V
Voltage - Rated AC (Phase to Ground/Neutral):	250V
Current:	4A
Frequency - Operating:	--
Applications:	General Purpose
Approvals:	cURus, VDE
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Chassis Mount
Termination Style:	Terminal Block
Inductance:	--

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Introduction

Power Line Filter Modules are circuit elements that are designed to protect electronic equipment and systems from voltage transients and to reduce electromagnetic interference (EMI). This article focuses on the application field and working principle of NAP-04-101, a type of Power Line Filter Module.

Application Field of NAP-04-101

The NAP-04-101 is a type of power line filter module developed by a company called NAC, and is mainly used for high-frequency interference filtering under 1MHz or DC. It is typically used to filter and suppress conducted EMI emissions caused by disturbed signals emanating from electronic equipment with switching power supply and system control. NAP-04-101 is designed for a wide variety of applications, including commercial, industrial, and military. It is suitable for a variety of power sources, including AC (50 Hz~60 Hz), DC, etc. The NAP-04-101 can be used in the medical and aerospace industries that are especially sensitive to high voltage transients or power outages. Its low profile makes it an ideal choice for use in tight spaces.Furthermore, the NAP-04-101 is usually used in applications such as power supplies, test and measurement equipment, and other devices that need to suppress or filter conducted EMI. With its high quality, the NAP-04-101 is also suitable for embedding into printed circuit boards.

Working Principle of NAP-04-101

The working principle of the NAP-04-101 is based on the principle of common-mode choking. The NAP-04-101 contains two filtering elements that have been carefully designed to provide high-frequency EMI suppression. These two elements are an inductor and an RC Pi network. The inductor element consists of a magnetic core on which a winding is wound. The magnetic core provides a path for the current, thus filtering high-frequency noise. The RC Pi network is made up of a capacitor, a resistor, and an inductor connected in series. The capacitor changes the AC current in the circuit, while the resistor and inductor react together to shun away noise. This combination of components forms a low-pass filter and acts like a choke which blocks high-frequency noise from passing through. The NAP-04-101 is designed to remain stable and have high reliability under harsh conditions, and can provide a high degree of protection against conducted EMI.

Conclusion

Power Line Filter Modules are essential components that can help protect electronic equipment and systems from voltage transients and shield conducted EMI emissions. The NAP-04-101, a type of Power Line Filter Module developed by NAC, is mainly used for high-frequency interference filtering under 1MHz or DC, and is suitable for a wide variety of applications. The NAP-04-101 contains two filtering elements - an inductor and an RC Pi network - which can provide a high degree of EMI suppression.

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