The EL3H4-G series contains two infrared emitting diode, connected in inverse parallel, optically coupled to a phototransistor encapsulated with green compound.It is packaged in a 4-pin small outline SMD package
? AC input response ? Current transfer ratio (CTR: Min. 20% at IF =±1mA,VCE =5V) ? High isolation voltage between input and output (Viso=3750 Vrms ) ? Compact small outline package ? Pb free and RoHS compliant and Halogen free
Other Applications
? AC line monitor ? Programmable controllers ? Telephone line interface ? Unknown polarity DC sensor