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Single Darlington Output Optoisolators Toshiba 6N138, A single channel Darlington output optocoupler with a low current, superior current transfer ratio and common mode rejection ratio, double working voltage, UL recognised. Useful in digital logic ground isolation, telephone ring detecting, high common mode noise receiving, up bus isolation and current loop receiving. Toshiba 6N138 Darlington Optocoupler
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