pc8171xnsz0f series contains an ired optically coupled to a
phototransistor.
it is packaged in a 4pin dip, available in smt gullw- ing lead-form
option.
input-output isolation voltage(rms) is 5.0kv.
collector-emitter voltage is 80v, ctr is to
600% at input current of 0.5ma and cmr is min.