| Picture | Part Number | Description | Category | Manufacture |
 | 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 |
