Type S Common Mode Power Line Choke for AC Line EMI Filtering Applications

Product Overview

The Type S Common Mode Power Line Choke is engineered for electromagnetic interference filtering in compact AC power systems and electronic equipment requiring reliable EMC performance. It is designed to suppress common-mode conducted noise generated by high-frequency switching circuits and improve system-level electrical stability.

Its optimized ferrite magnetic structure and precision winding technology provide efficient broadband noise attenuation while maintaining consistent filtering performance under continuous operation.

The Type S series is particularly suitable for space-limited electronic products that require compact installation size, stable EMI suppression capability, and dependable electrical operation.

Customized inductance ranges, current capacities, insulation systems, and terminal configurations are available according to application requirements.

Key Features

• Broadband common-mode EMI suppression

• Compact ferrite choke structure

• Stable AC line filtering capability

• Reliable long-term electrical operation

• Suitable for compact electronic assemblies

• Optimized for switching power environments

• Consistent winding precision

• Flexible customization support

Typical Applications

This series is ideal for reducing common‑mode interference and improving EMC performance in various systems:

• Power electronics systems and AC power line input/output filtering.

• Noise suppression for non‑grounded devices and power line circuits.

• Mitigation of radio frequency (RF) interference generated by motors, inverters or switching loads.

• Suppression of common mode noise to help meet regulatory EMC/EMI standards.

• AC Input Noise Filters

• Compact Switching Power Supplies

• Consumer Electronic Equipment

• Smart Home Electronics

• Communication Devices

• Small Industrial Controllers

• EMC Compliance Circuits

Physical Properties

Technical Specifications

Customization & Procurement