the el817 sreies contains a infrared emitting diode optically coupled to a phototransistor. it is packaged in a 4-pin package and available in wide-lead spacing and smd option，lead with0.4"(10.16mm) spacing(m type),lead bends for surface mounting(s type)
features:
current transfer ratio(ctr:min:50% at if=5ma,vce=5v),
high isolation voltage between input and output(viso=5000v rms),
ul approved(no.e214129),
vde approved(no.132249),
semko approved(no.0143133/01-03),
nemko approved(no.p00102385),
demko approved(no.310352-03),
fimko approved(no.fi 16763a1),
csa approved(no.1143601),
bsi approved(no.8592/8593),
applications:
(1).computer terminals
(2).system appliances,measuring intruments
(3).registers,copiers,automatic vending machines
(4).cassette type recorder,
(5).electric home appliances,such as fan heaters,etc.
(6).signal transmission between circuits of different potentials and impedances