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