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Continue to ChatPC817 ISOLATOR OPTOCOUPLER DIP 4 PIN https://www.multanelectronics.com/product/pc817-isolator-optocoupler-dip-4-pin/
PC817 ISOLATOR OPTOCOUPLER DIP 4 PIN https://www.multanelectronics.com/product/pc817-isolator-optocoupler-dip-4-pin/