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Photo Coupler – Photo Transistor 4Pin DIP-AC


Photo Transistor 4Pin DIP-AC

The EL814 series of devices each con s ist of two infrared emitting diodes , connected in inverse parallel, optically coupled to a phototransistor detector. They are packaged in a 4 pin DIP package and available in s ide lead spacing and SMD option.


• AC input response
• Current transfer ratio (CTR: Min. 20% at IF =±1mA,VCE =5V)
• High isolation voltage between input and output (Viso=5000 Vrms )
• Pb free and RoHS and Halogen free compliant

Other Applications

• AC line monitor
• Programmable controllers
• Telephone line interface
• Unknown polarity DC sensor