What Is A Common Mode Choke？
Products Introduction
The Common Mode Choke is an inductive device used to suppress the common mode interference of the circuit. Common mode interference refers to interference signals that affect both signal leads (positive and negative) in a circuit at the same time, usually the injection of external electromagnetic interference signals.
Selection
The selection of a common mode choke needs to consider the following factors:
1. Frequency range: The frequency response of the common mode choke needs to cover the frequency range of the interference signal to be suppressed.
2. Rated current: The rated current of the common mode choke should be greater than the maximum common mode interference current in practical application.
3. Inductance value: select according to the inductance value of the common mode choke in the linear region, and generally should meet the requirements of suppressing common mode interference.
When selecting a common-mode choke in a switching circuit, the following factors also need to be considered:
1. Frequency range: The frequency range of the common mode choke needs to cover the switching frequency range.
2. DC resistance: The DC resistance of the common mode choke needs to be as small as possible to avoid excessive power dissipation.
3. Size: The smaller the size, the better to meet the size requirements of modern electronic equipment.
4. High-frequency performance: The self-resonant frequency of the common-mode choke needs to be high enough to avoid unnecessary oscillation in the high-frequency switching circuit.
In short, the selection of a common mode choke needs to comprehensively consider factors such as frequency range, rated current, inductance value, inductor size, and high-frequency performance to meet the requirements of specific applications.
- +1 Like
- Add to Favorites
Recommend
- Xiangru Electronics XRSQ1010-10mH-H High Performance SQ Flexible Flat Cable Common Mode Choke, Helping the Miniaturization Design of Power Products
- Nippon Chemi-Con Developed FL-W Series Iron-Based Nanocrystalline Common Mode Choke Coils with 50% Higher Permeability
- Main Parameters and Usage Precautions of Common Mode Filter on Solar Inverter
- Nippon Chemi-Con FL-V Series Common Mode Choke Coils with High-performance, Small-size Products and High-magnetic Permeability
- The Xiangru Electronics XRT953B-351M Common Mode Toroidal Inductor Provides Excellent EMC Performance for Charging Station Products
- Crocus Technology Launched CT452/3 1MHz Bandwidth Contactless Current Sensor with Common Mode Field Rejection and ＜1% Total Error
- What is a coin and button cell and how to read the common models
- A 12V DC Lightning Protection Solution from Yint
This document is provided by Sekorm Platform for VIP exclusive service. The copyright is owned by Sekorm. Without authorization, any medias, websites or individual are not allowed to reprint. When authorizing the reprint, the link of www.sekorm.com must be indicated.
Integrated Circuits
Discrete Components
Connectors & Structural Components
Assembly UnitModules & Accessories
Power Supplies & Power Modules
Electronic Materials
Instrumentation & Test Kit
Electrical Tools & Materials
Mechatronics
Processing & Customization
