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Opto Couplers / Isolators

Browse All Electronics stock of opto-couplers / opto-isolators available with large quantity discounts. An opto-isolator (also called an optocoupler, photocoupler, or optical isolator) is an electronic component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal.

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4N25 OPTOISOLATOR, NPN TRANSISTOR OUTPUT
CAT# 4N25
NPN transistor output. 6 pin DIP package.
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$0.45 each
10+ $0.40 each
100+ $0.19 each
250+ $0.15 each
500+ $0.12 each
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