| 331121 | BSX51A | NPN Silicon transistor for switching applications | IPRS Baneasa |
| 331122 | BSX51A | Silicon NPN Epitaxial Planar Transistor | IPRS Baneasa |
| 331123 | BSX51A | Trans GP BJT NPN 45V 1A 3-Pin TO-39 | New Jersey Semiconductor |
| 331124 | BSX51A | Silicon NPN signal transistor, general purpose | SESCOSEM |
| 331125 | BSX51B | NPN Silicon transistor for switching applications | IPRS Baneasa |
| 331126 | BSX51B | Silicon NPN Epitaxial Planar Transistor | IPRS Baneasa |
| 331127 | BSX51B | Silicon NPN signal transistor, general purpose | SESCOSEM |
| 331128 | BSX52 | NPN Silicon transistor for switching applications | IPRS Baneasa |
| 331129 | BSX52 | Silicon NPN Epitaxial Planar Transistor | IPRS Baneasa |
| 331130 | BSX52 | Trans GP BJT NPN 25V 0.2A 3-Pin TO-18 | New Jersey Semiconductor |
| 331131 | BSX52 | Bipolar NPN Device | SemeLAB |
| 331132 | BSX52 | Silicon NPN signal transistor, general purpose | SESCOSEM |
| 331133 | BSX52A | NPN Silicon transistor for switching applications | IPRS Baneasa |
| 331134 | BSX52A | Silicon NPN Epitaxial Planar Transistor | IPRS Baneasa |
| 331135 | BSX52A | Trans GP BJT NPN 50V 0.2A 3-Pin TO-18 | New Jersey Semiconductor |
| 331136 | BSX52A | Silicon NPN signal transistor, general purpose | SESCOSEM |
| 331137 | BSX52B | NPN Silicon transistor for switching applications | IPRS Baneasa |
| 331138 | BSX52B | Silicon NPN Epitaxial Planar Transistor | IPRS Baneasa |
| 331139 | BSX52B | Silicon NPN signal transistor, general purpose | SESCOSEM |
|
| 331140 | BSX59 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 331141 | BSX59 | Switching NPN transistor | FERRANTI |
| 331142 | BSX59 | Switching transistor | mble |
| 331143 | BSX59 | Switching transistor | mble |
| 331144 | BSX59 | SWITCHING TRANSISTORS(NPN) | Motorola |
| 331145 | BSX59 | Silicon n-p-n medium power transistor | Mullard |
| 331146 | BSX59 | NPN switching transistors | Philips |
| 331147 | BSX60 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 331148 | BSX60 | Switching NPN transistor | FERRANTI |
| 331149 | BSX60 | Switching transistor | mble |
| 331150 | BSX60 | Switching transistor | mble |
| 331151 | BSX60 | SWITCHING TRANSISTORS(NPN) | Motorola |
| 331152 | BSX60 | Silicon n-p-n medium power transistor | Mullard |
| 331153 | BSX60 | NPN Silicon Planar Transistor for medium level switching | Newmarket Transistors NKT |
| 331154 | BSX61 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 331155 | BSX61 | Switching NPN transistor | FERRANTI |
| 331156 | BSX61 | Switching transistor | mble |
| 331157 | BSX61 | Switching transistor | mble |
| 331158 | BSX61 | Silicon n-p-n medium power transistor | Mullard |
| 331159 | BSX61 | NPN Silicon Planar Transistor for medium level switching | Newmarket Transistors NKT |
| 331160 | BSX61 | NPN switching transistors | Philips |
