EL814 photocoupler equivalent, 4 pin dip phototransistor photocoupler.
*AC input response
* Current transfer ratio (CTR: Min. 20% at IF =±1mA ,VCE =5V)
* High isolation voltage between input
and output (Viso=5000 V rms )
* W.
* AC line monitor
* Programmable controllers
* Telephone line interface.
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