OPTOCOUPLER PC817 OC optical coupler JC817 replace for PC817 ,P521 series JC817M ,JC817S ,JC817S1 CQC UL ,CSA approved High Density ... ,phototransistor2. The lead pitch is 2.54mm3. Replace for PC817 ,P521 series- Applications: 1. Computer terminals.2. System appliances, measuring instruments ...
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