【Central Semiconductor】2N3421 LEADFREE,双极小信号 NPN Power SW
2N3421 PBFREE,TRANS NPN 80V TO39
2N3421P,POWER BJT
2N3421S,TRANS NPN 80V 3A TO39
2N3421U4,TRANS NPN 80V 3A U4
【STMicroelectronics】2N3439,TRANS NPN 350V 1A TO-39
2N3439 PBFREE,TRANS NPN 350V 1A TO39
2N3439L,TRANS NPN 350V 1A TO5