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NEWS

Review of the 92nd China International Medical Equipment Fair (CMEF) in 2025

2025-09-30
The 92nd China International Medical Equipment Fair (CMEF) in 2025 was a retrospective. The 92nd CMEF attracted professional visitors from over 160 countries and regions around the world, creating ...

Parameters to Consider When Selecting an EMI Filter

2025-09-12
1. Basic ParametersRated Voltage:   This defines the maximum line voltage the filter can withstand. Most single-phase filters have a rated voltage of 250VAC, while three-phase filters can reach up ...

High&Low Shines at the 19th CIMT: Innovation Drives the Future of Smart Manufacturing​

2025-05-06
From April 21 to 26, 2025, the 19th China International Machine Tool Exhibition (CIMT) was grandly held in Beijing. As a leading provider of power filtering and reactor solutions, High&Low showcase...

​High&Low Invites You to CIMT2025: Convergence & Innovation, Digital-Intelligent Future​

2025-04-16
Exhibition Dates: April 21-26, 2025Venue: Capital International Convention Center & China International Exhibition Center (Shunyi Pavilion)High&Low Booth No.: B3-925As one of the world's top four m...
News

Categorization of EMI Filters

2025-02-19
Active or Passive EMI FiltersElectromagnetic interference (EMI) poses significant challenges to electronic devices, often leading to degraded performance or malfunctioning. EMI filters are essentia...

What are the Applications of EMI Filters?

2025-02-12
EMI filters have a wide range of applications across different industries and electronic systems, each designed to enhance performance and reliability by reducing electromagnetic interference. One ...

Capacitive and inductive regions of capacitance

2024-12-18
The low frequency range is very close to the ideal capacitor, and the impedance is inversely proportional to the frequency, and this region is called the capacitive region. With the change of frequ...

What is capacitance（1）

2024-12-06
Any two conductors that are insulated from each other and close to each other can form a capacitor. Capacitance is a physical quantity that characterizes a capacitor's ability to hold an electric c...
Filter

Parasitic inductance（2）The effects of parasitic inductance

2024-12-02
The root cause of many EMC problems is the parasitic inductance, which is as ubiquitous as parasitic capacitance, and very hidden, and most of them cannot be measured by instruments and equipment, ...

Key parameters needed to consider while selecting the filter

2024-11-28
The EMI/EMC filters come in various types, designs, shapes, and configurations. Here are the key specification parameters to consider while selecting an EMI/EMC filter.Type: It represents the type ...
Filter
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