MZ1220

Series:	MZ12
Part Status:	Obsolete
Filter Type:	Single Phase
Configuration:	Single Stage
Voltage - Rated DC:	--
Voltage - Rated AC:	250V
Current:	20A
Applications:	General Purpose
Approvals:	CSA, SEMKO, UL
Operating Temperature:	-25°C ~ 85°C
Mounting Type:	Chassis Mount
Termination Style:	Terminal Block
Inductance:	--

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MZ1220 Application Field and Working Principle

MZ1220 power line filter modules are designed for system and signal protection in industrial, medical, and commercial products. They are used to filter out common and differential mode noise generated from conducted emissions. They offer EMI protection, reduce board area, and reduce part count. The MZ1220 is available in four different pin-to-pin compatible packages, including stand-alone mount, 16-pin through-hole mount, top-down 12-pin through-hole mount, and surface mount. It is also available in different power levels and frequencies.

Principle of Operation

The power line filter modules use a combination of EMI suppression elements, conductors, and connectors to form an effective filter to reduce conducted emission and susceptibility characteristics of the equipment into which it is connected. The filter consists of a number of components: a common-mode choke, common-mode ferrite beads, and common-mode varistors. The common-mode chokes provide a low impedance path for the high frequency common-mode noise. The ferrite beads help to reduce the amount of noise conducted between the filter and the main circuit, while the varistors provide additional protection against over-voltage.

Applications

MZ1220 power line filter modules are used in a wide range of applications, including industrial, medical, and commercial products. They provide EMI protection from conducted emissions, as well as eliminate noise in sensitive electronic equipment. Applications include:

• Power supplies
• Industrial equipment and automation
• Medical equipment
• Communication networks
• Consumer electronics

Advantages

MZ1220 power line filter modules offer several advantages over traditional power line filters. They offer improved EMI protection, reduced board area, and fewer parts. Additionally, they can be used in applications where traditional filters would be impractical due to size or environment. It is also compact and easy to install, making it an attractive power line filter module for many applications.

Conclusion

MZ1220 power line filter modules provide a reliable and effective way to reduce EMI emissions from conducted sources. They are available in a variety of packages and power levels, and offer advantages of size, EMI protection and ease of installation. They are widely used for system and signal protection in industrial, medical, and commercial products, and provide a simple, yet reliable solution for EMI protection.

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