| Picture | Part Number | Description | Category | Manufacture |
 | BCW66HTA | TRANSISTOR NPN 45V SOT23-3 | MOSFET Semiconductor | Zetex Inc (VA) |
 | BC107 | TRANSISTOR NPN 45V .1A TO-18 | MOSFET Semiconductor | STMicroelectronics |
 | BUT12ATU | TRANSISTOR NPN 450V 8A TO-220 | MOSFET Semiconductor | Fairchild Semiconductor |
| BUT12A | TRANSISTOR NPN 450V 8A TO-220 | MOSFET Semiconductor | Fairchild Semiconductor |
 | BUT11AFTU | TRANSISTOR NPN 450V 5A TO-220F | MOSFET Semiconductor | Fairchild Semiconductor |
| KSC5338DTU | TRANSISTOR NPN 450V 5A TO-220 | MOSFET Semiconductor | Fairchild Semiconductor |
| KSC5338D | TRANSISTOR NPN 450V 5A TO-220 | MOSFET Semiconductor | Fairchild Semiconductor |
| BUT11ATU | TRANSISTOR NPN 450V 5A TO-220 | MOSFET Semiconductor | Fairchild Semiconductor |
| BUT11A | TRANSISTOR NPN 450V 5A TO-220 | MOSFET Semiconductor | Fairchild Semiconductor |
 | KSC5338DWTM | TRANSISTOR NPN 450V 5A D2-PAK | MOSFET Semiconductor | Fairchild Semiconductor |
| KSC5402DTTU | TRANSISTOR NPN 450V 2A TO-220 | MOSFET Semiconductor | Fairchild Semiconductor |
 | KSC5402DTF | TRANSISTOR NPN 450V 2A DPAK | MOSFET Semiconductor | Fairchild Semiconductor |
 | BUX98APW | TRANSISTOR NPN 450V 24A TO-247 | MOSFET Semiconductor | STMicroelectronics |
 | 2N3439 | TRANSISTOR NPN 450V 1A TO-39 | MOSFET Semiconductor | STMicroelectronics |
| BUL38D | TRANSISTOR NPN 450V 10A TO-220 | MOSFET Semiconductor | STMicroelectronics |
| FJP5355TU | TRANSISTOR NPN 440V 5A TO-220 | MOSFET Semiconductor | Fairchild Semiconductor |
 | FCX1051ATA | TRANSISTOR NPN 40VCE 3A SOT-89 | MOSFET Semiconductor | Zetex Inc (VA) |
 | 2N3904DI | TRANSISTOR NPN 40V TO92-3 | MOSFET Semiconductor | Diodes Inc (VA) |
 | FMB3904 | TRANSISTOR NPN 40V SSOT-6 | MOSFET Semiconductor | Fairchild Semiconductor |
 | MMBT4401T-7 | TRANSISTOR NPN 40V SOT-523 | MOSFET Semiconductor | Diodes Inc (VA) |
| MMBT3904T-7 | TRANSISTOR NPN 40V SOT-523 | MOSFET Semiconductor | Diodes Inc (VA) |
| MMBT2222AT-7 | TRANSISTOR NPN 40V SOT-523 | MOSFET Semiconductor | Diodes/Zetex (VA) |
 | BSS79C | TRANSISTOR NPN 40V SOT-23 | MOSFET Semiconductor | Fairchild Semiconductor |
 | FFB3904 | TRANSISTOR NPN 40V SC70-6 | MOSFET Semiconductor | Fairchild Semiconductor |
 | MMST4401-7 | TRANSISTOR NPN 40V SC70-3 | MOSFET Semiconductor | Diodes Inc (VA) |
| MMST3904-7 | TRANSISTOR NPN 40V SC70-3 | MOSFET Semiconductor | Diodes Inc (VA) |
| MMST2222A-7 | TRANSISTOR NPN 40V SC70-3 | MOSFET Semiconductor | Diodes Inc (VA) |
| MMBT2222AWT3G | TRANSISTOR NPN 40V GP SC70-3 | MOSFET Semiconductor | ON Semiconductor |
 | 2N4400TAR | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4400TA | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
