The PC817 series of devices each consist of an infrared Emitting diodes, optically coupled to a phototransistor detector. They are packaged in a 4-pin DIP package and available in Wide-lead spacing and SMD option.
1. Current transfer ratio （CTR：50%-600% at IF=5mA,VCE=5V）
2. High isolation voltage between inputc and output （Viso=5000V rms）
3. Creepage distance＞7.62mm
4. Pb free and ROHS compliant
5. UL/CUL Approved (File No. E340048)
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