Characteristic
The power filter has small stray capacitance, high frequency impedance, small impedance deviation, large working current, and good electromagnetic compatibility. The magnetic core is made of MnZn ferrite material with high permeability, which has high impedance to noise. Core type: UU, EE, FT, T. Installation: horizontal, vertical, etc。
Applications
It is widely used in TV, communication, air conditioning, computer and other EMI resistant circuits. For example, for communications, networks, computers; Industrial, scientific and medical equipment; Home electronic equipment such as television, stereo and air conditioner; Various electronic instruments, aerospace equipment, etc。
（1）Physical diagram
The power filter is also known as "power EMI filter" or "EMI power filter". It is a kind of filter composed of capacitance, inductance and resistance. It is a kind of filter。
Its function is to filter the frequency points of a specific frequency or other frequencies effectively to obtain the desired effective signal。
Power filter picture
（2）Schematic circuit diagram
The typical structure of the power filter is shown in the figure below. It is a passive network structure, suitable for both ac and dc power supply, with bidirectional suppression performance。
Such a simple passive filter plays the role of bidirectional noise suppression。
With a special product research and development center, keep up with the pace of industry technology, to provide customers with efficient support services |
Invest more than 3% of the annual sales as r&d expenses to ensure the stable development of the company's industry and maintain long-term competitive advantages |
Accumulated more than 100 patents, technology continued to accumulate |
