EL354N(A)(TA)-VG is 80V 3.75kV 100mV@1mA, single channel Phototransistor Optoisolator. The EL354N-G series of devices each consist of two infrared emitting diode, connected in inverse parallel,optically coupled to a phototransistor detector. They are packaged in a 4-pin small outline package.Sp..