| 308921 | BUT131A | V(cesm): 1000V; 80W; silicon diffused power transistor | Philips |
| 308922 | BUT131H | V(cesm): 850V; 80W; silicon diffused power transistor | Philips |
| 308923 | BUT14 | Trans GP BJT NPN 450V 5A 3-Pin(3+Tab) TO-220AB Bulk | New Jersey Semiconductor |
| 308924 | BUT18 | Silicon diffused power transistors | Philips |
| 308925 | BUT18 | Silicon NPN Power Transistors TO-220C package | Savantic |
| 308926 | BUT18A | Silicon diffused power transistors | Philips |
| 308927 | BUT18A | Silicon NPN Power Transistors TO-220C package | Savantic |
| 308928 | BUT18AF | Silicon diffused power transistors | Philips |
| 308929 | BUT18AF | Silicon NPN Power Transistors TO-220Fa package | Savantic |
| 308930 | BUT18F | Silicon diffused power transistors | Philips |
| 308931 | BUT18F | Silicon NPN Power Transistors TO-220Fa package | Savantic |
| 308932 | BUT211 | Silicon Diffused Power Transistor | Philips |
| 308933 | BUT211X | Silicon Diffused Power Transistor | Philips |
| 308934 | BUT232V | NPN TRANSISTOR POWER MODULE | SGS Thomson Microelectronics |
| 308935 | BUT232V | NPN TRANSISTOR POWER MODULE | ST Microelectronics |
| 308936 | BUT30 | NPN TRANSISTOR POWER MODULE | ST Microelectronics |
| 308937 | BUT30V | NPN TRANSISTOR POWER MODULE | SGS Thomson Microelectronics |
| 308938 | BUT30V | NPN TRANSISTOR POWER MODULE | ST Microelectronics |
| 308939 | BUT32V | NPN TRANSISTOR POWER MODULE | SGS Thomson Microelectronics |
|
| 308940 | BUT32V | NPN TRANSISTOR POWER MODULE | ST Microelectronics |
| 308941 | BUT33 | 56 AMPERES NPN SILICON POWER DARLINGTON TRANSISTOR 600 VOLTS 250 WATTS | Motorola |
| 308942 | BUT33 | 56 AMPERES NPN SILICON POWER DARLINGTON TRANSISTOR 600 VOLTS 250 WATTS | ON Semiconductor |
| 308943 | BUT33-D | SWITCHMODE Series NPN Silicon Power Darlington Transistors with Base-Emitter Speedup Diode | ON Semiconductor |
| 308944 | BUT34 | 50 AMPERES NPN SILICON POWER DARLINGTON TRANSISTOR 850 VOLTS 250 WATTS | Motorola |
| 308945 | BUT56 | Silicon NPN Power Transistors TO-220C package | Savantic |
| 308946 | BUT56 | Silicon NPN Power Transistor | TEMIC |
| 308947 | BUT56A | Silicon NPN Power Transistors TO-220C package | Savantic |
| 308948 | BUT56A | Silicon NPN Power Transistor | TEMIC |
| 308949 | BUT56A | NPN EPITAXIAL SILICON TRANSISTOR(HIGH VOLTAGE SWITCHING USE IN HORIZONTAL DEFLECTION OUTPUT STAGE) | Wing Shing Computer Components |
| 308950 | BUT56AF | Silicon NPN Power Transistors TO-220Fa package | Savantic |
| 308951 | BUT70 | HIGH POWER NPN SILICON TRANSISTOR | SGS Thomson Microelectronics |
| 308952 | BUT70 | HIGH POWER NPN SILICON TRANSISTOR | ST Microelectronics |
| 308953 | BUT70W | HIGH VOLTAGE NPN POWER TRANSISTOR | SGS Thomson Microelectronics |
| 308954 | BUT70W | HIGH VOLTAGE NPN POWER TRANSISTOR | ST Microelectronics |
| 308955 | BUT72 | NPN MULTI-EPITAXIAL POWER TRANSISTOR | SemeLAB |
| 308956 | BUT76 | Silicon NPN Power Transistors TO-220C package | Savantic |
| 308957 | BUT76 | Silicon NPN Power Transistors | Vishay |
| 308958 | BUT76A | Silicon NPN Power Transistors TO-220C package | Savantic |
| 308959 | BUT90 | HIGH POWER NPN SILICON TRANSISTOR | SGS Thomson Microelectronics |
| 308960 | BUT90 | HIGH POWER NPN SILICON TRANSISTOR | ST Microelectronics |
