QTC 4N25 optoaccoppiatore uscita transistor foto con collegamento base circuito integrato
The 4N25 family is an industry standard single channel. phototransistor coupler. This family includes the 4N25. 4N26, 4N27, 4N28. Each optocoupler consists of gallium. arsenide infrared LED and a silicon NPN phototransistor.