| 334121 | BTW18-100 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334122 | BTW18-200 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334123 | BTW18-300 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334124 | BTW18-400 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334125 | BTW18-50 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334126 | BTW18-500 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334127 | BTW18-600 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334128 | BTW19-100 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334129 | BTW19-200 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334130 | BTW19-300 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334131 | BTW19-400 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334132 | BTW19-50 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334133 | BTW19-500 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334134 | BTW19-600 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334135 | BTW20-100 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334136 | BTW20-200 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334137 | BTW20-300 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334138 | BTW20-400 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334139 | BTW20-50 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
|
| 334140 | BTW20-500 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334141 | BTW20-600 | Bi-Directional Triode Thyristor (TRIAC) | Transitron Electronic |
| 334142 | BTW23-1000RM | Avalanche thyristor | mble |
| 334143 | BTW23-1000RM | Thyristor | Mullard |
| 334144 | BTW23-1000RM | 70A Avalanche Thyristors | Philips |
| 334145 | BTW23-1000RU | 70A Avalanche Thyristors | Philips |
| 334146 | BTW23-1200RM | Avalanche thyristor | mble |
| 334147 | BTW23-1200RM | Thyristor | Mullard |
| 334148 | BTW23-1200RM | 70A Avalanche Thyristors | Philips |
| 334149 | BTW23-1200RU | 70A Avalanche Thyristors | Philips |
| 334150 | BTW23-1400RM | Avalanche thyristor | mble |
| 334151 | BTW23-1400RM | Thyristor | Mullard |
| 334152 | BTW23-1400RM | 70A Avalanche Thyristors | Philips |
| 334153 | BTW23-1400RU | 70A Avalanche Thyristors | Philips |
| 334154 | BTW23-1600RM | Avalanche thyristor | mble |
| 334155 | BTW23-1600RM | Thyristor | Mullard |
| 334156 | BTW23-1600RM | 70A Avalanche Thyristors | Philips |
| 334157 | BTW23-1600RU | 70A Avalanche Thyristors | Philips |
| 334158 | BTW23-600RM | Avalanche thyristor | mble |
| 334159 | BTW23-600RM | Thyristor | Mullard |
| 334160 | BTW23-600RM | 70A Avalanche Thyristors | Philips |
