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Hi for all, I try to repair some Acousto-Optic Modulator driver EFLC200P20A, I can not identify smd component,
4 pins, please see on the attached image, thanks in advance, regards
I can't trace the exact part but I believe its an EMC filter. 471 might indicate 470nH inductance and there would be a capacitor at each end to the ground pins in the middle. Try measuring the resistance between the pins on the short ends, if it is just a few Ohms it would indicate an inductor inside.
Common brands to check would be Murata, Kyocera and Wurth.
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