Optoisolators and Components Guide - Electronics and Review

4N25 optoisolator, CTR=20% (CTR=current transfer ratio), check pinout

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6N138 optoisolater with split Darlington output, Vcc = 18 V max., 8 pin DIP

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4N37 optoisolator, CTR=100%

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Applications of Optocouplers

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CNY17 optoisolator, CTR for CNY17-3 is 100%, check pinout

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MOC3023 optodiac

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6N138 optoisolater with split Darlington output, Vcc = 18 V max., 8 pin DIP, check pinout

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Nb = 7