| Picture | Part Number | Description | Category | Manufacture |
|---|
 | 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 |
| KSP2222ATF | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| KSP2222ATA | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| KSP2222ABU | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4401TA | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4401NLBU | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4401_S00Z | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4401_J61Z | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4401_J60Z | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4401_J25Z | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4401_J18Z | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4401_J05Z | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4401_D81Z | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4401_D11Z | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4400TFR | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4400TF | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4400_S00Z | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| 2N4400_D81Z | TRANSISTOR NPN 40V 600MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
 | FJX2222ATF | TRANSISTOR NPN 40V 600MA SOT-323 | MOSFET Semiconductor | Fairchild Semiconductor |
 | FMMT2222ATA | TRANSISTOR NPN 40V 600MA SOT23-3 | MOSFET Semiconductor | Zetex Inc (VA) |
| KST4401MTF | TRANSISTOR NPN 40V 600MA SOT-23 | MOSFET Semiconductor | Fairchild Semiconductor |
| KST2222AMTF | TRANSISTOR NPN 40V 600MA SOT-23 | MOSFET Semiconductor | Fairchild Semiconductor |
| KSP25TA | TRANSISTOR NPN 40V 500MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
| KSP25BU | TRANSISTOR NPN 40V 500MA TO-92 | MOSFET Semiconductor | Fairchild Semiconductor |
 | MMPQ2222A | TRANSISTOR NPN 40V 500MA 16-SOIC | MOSFET Semiconductor | Fairchild Semiconductor (VA) |
| ZTX1051A | TRANSISTOR NPN 40V 5000MA TO92-3 | MOSFET Semiconductor | Diodes/Zetex |
 | MJE521 | TRANSISTOR NPN 40V 4A SOT-32 | MOSFET Semiconductor | STMicroelectronics |
| ZXTN25040DFHTA | TRANSISTOR NPN 40V 4A SOT23-3 | MOSFET Semiconductor | Zetex Inc (VA) |
 | KSD1413TU | TRANSISTOR NPN 40V 3A TO-220F | MOSFET Semiconductor | Fairchild Semiconductor |
 | MJE180STU | TRANSISTOR NPN 40V 3A TO-126 | MOSFET Semiconductor | Fairchild Semiconductor |
| KSE180S | TRANSISTOR NPN 40V 3A TO-126 | MOSFET Semiconductor | Fairchild Semiconductor |