K401 photocoupler equivalent, photocoupler.
* Mini-flat Package
* Collector-Emitter Voltage : Min.30V
* Current Transfer Ratio : Type 600% (at IF=A1mA, VCE=2V)
* Electrical Isolation Voltage : AC375.
* AC Signal Input
* Interface between two circuits of different potential
* Automatic Vending Machine
* .
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