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