| 331241 | BSY34 | Double-diffused epitaxial NPN silicon RF Transistor in planar technology | TUNGSRAM |
| 331242 | BSY38 | Silicon N-P-N low power switching transistor | Mullard |
| 331243 | BSY38 | Silicon Transistor | Mullard |
| 331244 | BSY38 | Silicon NPN planar-epitaxial switching transistor | VALVO |
| 331245 | BSY39 | Silicon N-P-N low power switching transistor | Mullard |
| 331246 | BSY39 | Silicon Transistor | Mullard |
| 331247 | BSY39 | Silicon NPN planar-epitaxial switching transistor | VALVO |
| 331248 | BSY40 | Silicon Transistor | Mullard |
| 331249 | BSY41 | Silicon Transistor | Mullard |
| 331250 | BSY44 | Silicon NPN Planar HF and Switching Transistor | TELEFUNKEN |
| 331251 | BSY45 | Silicon NPN Planar HF and Switching Transistor | TELEFUNKEN |
| 331252 | BSY46 | Silicon NPN Planar-Epitaxial HF and Switching Transistor | TELEFUNKEN |
| 331253 | BSY51 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 331254 | BSY52 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 331255 | BSY53 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 331256 | BSY54 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 331257 | BSY55 | Silicon NPN epitaxial planar transistor for high speed switching applications and RF aplifiers | AEG-TELEFUNKEN |
| 331258 | BSY55 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 331259 | BSY56 | Silicon NPN epitaxial planar transistor for high speed switching applications and RF aplifiers | AEG-TELEFUNKEN |
|
| 331260 | BSY56 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 331261 | BSY58 | NPN Transistor | Siemens |
| 331262 | BSY58 | NPN RF transistor for switch applications | Siemens |
| 331263 | BSY58 | NPN Transistor industrial type | Siemens |
| 331264 | BSY58 | NPN SILICON PLANAR TRANSISTORS | Siemens |
| 331265 | BSY58 | Double-diffused epitaxial NPN silicon RF Transistor in planar technology | TUNGSRAM |
| 331266 | BSY59 | PNP Transistor industrial type | Siemens |
| 331267 | BSY62 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 331268 | BSY62 | NPN Transistor | Siemens |
| 331269 | BSY62 | NPN RF transistor for switch applications | Siemens |
| 331270 | BSY62 | NPN Transistor industrial type | Siemens |
| 331271 | BSY62A | NPN RF transistor for switch applications | Siemens |
| 331272 | BSY62A | NPN TRANSISTORS FOR SWITCHING APPLICATIONS | Siemens |
| 331273 | BSY62B | NPN RF transistor for switch applications | Siemens |
| 331274 | BSY62B | NPN TRANSISTORS FOR SWITCHING APPLICATIONS | Siemens |
| 331275 | BSY63 | NPN Transistor | Siemens |
| 331276 | BSY63 | NPN RF transistor for switch applications | Siemens |
| 331277 | BSY63 | NPN Transistor industrial type | Siemens |
| 331278 | BSY63 | NPN TRANSISTORS FOR SWITCHING APPLICATIONS | Siemens |
| 331279 | BSY70 | Silicon NPN Planar-Epitaxial Very Fast Switching Transistor | TELEFUNKEN |
| 331280 | BSY71 | Silicon NPN Planar Switching Transistor | TELEFUNKEN |
