NEC 2SB1721 - Silicon Power Transistors Silicon Power Transistors 2SB1721 PNP 2SB1721 IC OA FA 2SB1721 2SB1721-Z TO-251 MP-3 TO-252 MP-3Z hFE 100 VCE = –5.0 V, IC = –0.5 A Z TA = 25°C (11 views)