| 340521 | BUX52 | NPN Power Transistor - High Voltage | SESCOSEM |
| 340522 | BUX52 | Power NPN transistor Triple Diffused - Fast switching | SESCOSEM |
| 340523 | BUX53 | Bipolar NPN Device | SemeLAB |
| 340524 | BUX53 | NPN Power Transistor - High Voltage | SESCOSEM |
| 340525 | BUX53 | Power NPN transistor Triple Diffused - Fast switching | SESCOSEM |
| 340526 | BUX54 | Trans GP BJT NPN 400V 2A 3-Pin TO-39 | New Jersey Semiconductor |
| 340527 | BUX54 | NPN SILICON TRANSISTOR | SemeLAB |
| 340528 | BUX54 | NPN Power Transistor - High Voltage | SESCOSEM |
| 340529 | BUX54 | Power NPN transistor Triple Diffused - Fast switching | SESCOSEM |
| 340530 | BUX55 | Bipolar NPN Device | SemeLAB |
| 340531 | BUX55 | NPN Power Transistor - High Voltage | SESCOSEM |
| 340532 | BUX55 | Power NPN transistor Triple Diffused - Fast switching | SESCOSEM |
| 340533 | BUX60 | Bipolar NPN Device in a Hermetically sealed TO66 Metal Package | SemeLAB |
| 340534 | BUX61 | Bipolar NPN Device in a Hermetically sealed TO66 Metal Package. | SemeLAB |
| 340535 | BUX61 | Bipolar NPN Device in a Hermetically sealed TO66 Metal Package. | SemeLAB |
| 340536 | BUX64 | Bipolar NPN Device | SemeLAB |
| 340537 | BUX65 | Bipolar NPN Device | SemeLAB |
| 340538 | BUX66 | Trans GP BJT PNP 150V 2A | New Jersey Semiconductor |
| 340539 | BUX66 | Bipolar PNP Device | SemeLAB |
|
| 340540 | BUX66A | Trans GP BJT PNP 150V 2A | New Jersey Semiconductor |
| 340541 | BUX66B | Trans GP BJT PNP 150V 2A | New Jersey Semiconductor |
| 340542 | BUX66C | Trans GP BJT PNP 150V 2A | New Jersey Semiconductor |
| 340543 | BUX67 | Bipolar NPN Device | SemeLAB |
| 340544 | BUX78 | Trans GP BJT PNP 80V 5A 3-Pin(2+Tab) TO-66 | New Jersey Semiconductor |
| 340545 | BUX78 | Bipolar PNP Device | SemeLAB |
| 340546 | BUX80 | Leaded Power Transistor General Purpose | Central Semiconductor |
| 340547 | BUX80 | Silicon NPN Multiepitaxial MESA Power Transistor | IPRS Baneasa |
| 340548 | BUX80 | POWER TRANSISTORS(10A,400V,100W) | MOSPEC Semiconductor |
| 340549 | BUX80 | Trans GP BJT NPN 400V 10A 3-Pin(2+Tab) TO-3 Sleeve | New Jersey Semiconductor |
| 340550 | BUX80 | Silicon NPN Power Transistors TO-3 package | Savantic |
| 340551 | BUX80 | HIGH VOLTAGE NPN SILICON POWER TRANSISTOR | SGS Thomson Microelectronics |
| 340552 | BUX80 | NPN SILICON POWER TRANSISTORS | Siemens |
| 340553 | BUX80 | HIGH VOLTAGE NPN SILICON POWER TRANSISTOR | ST Microelectronics |
| 340554 | BUX80/4 | Silicon NPN Multiepitaxial MESA Power Transistor | IPRS Baneasa |
| 340555 | BUX80/5 | Silicon NPN Multiepitaxial MESA Power Transistor | IPRS Baneasa |
| 340556 | BUX80/6 | Silicon NPN Multiepitaxial MESA Power Transistor | IPRS Baneasa |
| 340557 | BUX80/7 | Silicon NPN Multiepitaxial MESA Power Transistor | IPRS Baneasa |
| 340558 | BUX81 | Silicon NPN Multiepitaxial MESA Power Transistor | IPRS Baneasa |
| 340559 | BUX81 | Silicon NPN Power Transistors TO-3 package | Savantic |
| 340560 | BUX81/9 | Silicon NPN Multiepitaxial MESA Power Transistor | IPRS Baneasa |
