| 273321 | BC489 | Transistor Silicon Plastic NPN | ON Semiconductor |
| 273322 | BC489-D | High Current Transistors NPN Silicon | ON Semiconductor |
| 273323 | BC489A | High Current Transistors | Motorola |
| 273324 | BC489A | Transistor Silicon Plastic NPN | ON Semiconductor |
| 273325 | BC489AZL1 | Transistor Silicon Plastic NPN | ON Semiconductor |
| 273326 | BC489B | High Current Transistors | Motorola |
| 273327 | BC489B | Transistor Silicon Plastic NPN | ON Semiconductor |
| 273328 | BC489BRL1 | High Current Transistor NPN | ON Semiconductor |
| 273329 | BC489BZL1 | Transistor Silicon Plastic NPN | ON Semiconductor |
| 273330 | BC489RL1 | Transistor Silicon Plastic NPN | ON Semiconductor |
| 273331 | BC489ZL1 | High Current Transistor NPN | ON Semiconductor |
| 273332 | BC490 | PNP SILICON PLANAR EPITAXIAL TRANSISTORS | Micro Electronics |
| 273333 | BC490 | High Current Transistors | Motorola |
| 273334 | BC490 | PNP Silicon Plastic Transistor | ON Semiconductor |
| 273335 | BC490-D | High Current Transistors PNP Silicon | ON Semiconductor |
| 273336 | BC490A | High Current Transistors | Motorola |
| 273337 | BC490A | PNP Silicon Plastic Transistor | ON Semiconductor |
| 273338 | BC490AZL1 | PNP Silicon Plastic Transistor | ON Semiconductor |
| 273339 | BC51-10PA | 45 V, 1 A PNP medium power transistor | Nexperia |
|
| 273340 | BC51-10PA | 45 V, 1 A PNP medium power transistor | NXP Semiconductors |
| 273341 | BC51-10PAS | 45 V/60 V/80 V, 1 A PNP medium power transistors | Nexperia |
| 273342 | BC51-16PA | 45 V, 1 A PNP medium power transistor | Nexperia |
| 273343 | BC51-16PA | 45 V, 1 A PNP medium power transistor | NXP Semiconductors |
| 273344 | BC51-16PAS | 45 V/60 V/80 V, 1 A PNP medium power transistors | Nexperia |
| 273345 | BC516 | PNP Darlington Transistor | Fairchild Semiconductor |
| 273346 | BC516 | PNP Silicon Darlington Transistor | Infineon |
| 273347 | BC516 | SILICON PLANAR EPITAXIAL DARLINGTON TRANSISTORS | Micro Electronics |
| 273348 | BC516 | PNP Darlington transistor | Philips |
| 273349 | BC516 | PNP Silicon Darlington Transistor (High current gain High collector current) | Siemens |
| 273350 | BC516_D27Z | PNP Darlington Transistor | Fairchild Semiconductor |
| 273351 | BC516_D74Z | PNP Darlington Transistor | Fairchild Semiconductor |
| 273352 | BC516_D75Z | PNP Darlington Transistor | Fairchild Semiconductor |
| 273353 | BC516_L34Z | PNP Darlington Transistor | Fairchild Semiconductor |
| 273354 | BC517 | NPN Darlington Transistor | Fairchild Semiconductor |
| 273355 | BC517 | NPN Silicon Darlington Transistor | Infineon |
| 273356 | BC517 | General Purpose Transistor | Korea Electronics (KEC) |
| 273357 | BC517 | SILICON PLANAR EPITAXIAL DARLINGTON TRANSISTORS | Micro Electronics |
| 273358 | BC517 | Darlington Transistors | Motorola |
| 273359 | BC517 | Silicon Plastic Transistor | ON Semiconductor |
| 273360 | BC517 | NPN Darlington transistor | Philips |
