DSA00385825.pdf
by Vishay Semiconductors
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Vishay Semiconductors
Classification Chart for Opto Couplers
General purpose
4N27/28
CTR>10%
Standard
4N25/26
CTR>20%
Transistor output
4N3537
CTR>100%
6 Pin-Series
Base n.c.
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Original
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Unknown
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Unknown
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Obsolete
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