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10 pcs PC817C Optocoupler Photocoupler, DIP-4, 20mA, CTR: 200-400
10 pcs. photocoupler / optocoupler PC817C with CTR of 200-400. - DIP-4 package - max. LED forward current 50mA - max. continuous forward current 20mA - max. reverse LED voltage 6V - max. collector current 50mA - typ. forward voltage @20mA = 1.2V