R NPN MIDDLING VOLTAGE FAST-SWITCHING NPN POWER .
3DD4121DT - MIDDLING VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
R NPN MIDDLING VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR 3DD4121DT、3DD4121DM IC VCEO PC(D4121DT) PC(D4121DM) MAIN CHARACTERISTICS 1.5A 200V 1W .