Common mode inductor content

Common mode choke inductor is essentially a two-way filter: on the one hand to remove common mode line electromagnetic interference signal, the other is to suppress itself does not emit electromagnetic interference, to avoid affecting the normal operation under the same electromagnetic environment of other electronic devices.

Common mode choke application

Common mode choke coils are widely used in electronic devices EMI radiated noise suppression, PC USB interface cable for PC and peripheral,1394 lines, DVC, set-top boxes, LCD panels, low-voltage differential signaling (LVDS) in, noise suppression, high common-mode noise and low-band impedance differential mode impedance signal band.

Under normal circumstances, taking care to select the desired frequency band filter, common mode impedance the bigger the better, so we need to see the device selection information when the common mode inductance, mainly based on impedance frequency curve selection. Also pay attention to consider the impact on the differential mode impedance signal, focusing on differential mode impedance, pay special attention to high-speed port selection.

Common mode choke features

1, Robust and cost

2, Excellent frequency characteristics

3, Excellent attenuation characteristics

4, The selection meets safety specifications

5, Low leakage flux (magnetic loss)

6, The series inductance range: 10uH-1mH above (differential mode)

7, The working voltage: AC 100-250V 50 / 60Hz or more

8, Rated current: AC0.1A-30Aabove

9, Insulation voltage: AC / DC 500V-4000V

Hefei Mycoil Technology Co.,LTD  provide customers with various inductors, such as common mode chokes, drum core inductors, rod core inductors, dimmer choke for EMI suppression, large current inductors, air coil inductors, etc. We have a technical team consist of 5 experienced engineers, we can design common mode chokes for customers.

If you have any questions, please contact us, we will give you fast reply.

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Contact: Lily Yu