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score: 8
5/50/500 pcs Original LTV816 EL816 B/C Single Channel, Isolator, Optocoupler LTV817 WN7
US $1.08
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score: 8
20pcs- 4 DIP Optocoupler PC817 817 PC817C EL817C LTV817 PC817-1 High Density Mounting Type Photocoupler
US $3.54
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