fqi4n25 transistor ng datasheet pdf FQI4N25tagagawa : Fairchild Semiconductor paglalarawan : 250V N-Channel MOSFET FQI4N25tagagawa : FAIRCHILD[Fairchild Semiconductor] paglalarawan : 250V N-Channel MOSFET FQI4N25tagagawa : Fairchildpaglalarawan : 250V N-Channel MOSFET