| 334441 | BTX81-800R | Thyristor | Mullard |
| 334442 | BTX82 | Silicon Thyristor, superseded by the BTW24 series | Philips |
| 334443 | BTX82-100R | Thyristor | Mullard |
| 334444 | BTX82-200R | Thyristor | Mullard |
| 334445 | BTX82-300R | Thyristor | Mullard |
| 334446 | BTX82-400R | Thyristor | Mullard |
| 334447 | BTX82-500R | Thyristor | Mullard |
| 334448 | BTX82-600R | Thyristor | Mullard |
| 334449 | BTX82-800R | Thyristor | Mullard |
| 334450 | BTX92 | Controlled Avalanche Thyristor with high dV/dt and dl/dt capabilities, superseded by the BTW92 series | Philips |
| 334451 | BTX94 | Triacs | Philips |
| 334452 | BTX94-1000 | Triac 1000V | mble |
| 334453 | BTX94-1000 | Triacs 1000V | Philips |
| 334454 | BTX94-1200 | Triac 1200V | mble |
| 334455 | BTX94-1200 | Triacs 1200V | Philips |
| 334456 | BTX94-400 | Triac 400V | mble |
| 334457 | BTX94-400 | Triacs 400V | Philips |
| 334458 | BTX94-500 | Triac 500V | mble |
| 334459 | BTX94-500 | Triacs 500V | Philips |
|
| 334460 | BTX94-600 | Triac 600V | mble |
| 334461 | BTX94-600 | Triacs 600V | Philips |
| 334462 | BTX94-800 | Triac 800V | mble |
| 334463 | BTX94-800 | Triacs 800V | Philips |
| 334464 | BTX95 | Pulse Modulator Thyristor | Philips |
| 334465 | BTX95-500R | Pulse modulator thyristor | mble |
| 334466 | BTX95-500R | Pulse modulator thyristor | Mullard |
| 334467 | BTX95-500R | Pulse Modulator Thyristor | Philips |
| 334468 | BTX95-600R | Pulse modulator thyristor | mble |
| 334469 | BTX95-600R | Pulse modulator thyristor | Mullard |
| 334470 | BTX95-600R | Pulse Modulator Thyristor | Philips |
| 334471 | BTX95-700R | Pulse modulator thyristor | mble |
| 334472 | BTX95-700R | Pulse modulator thyristor | Mullard |
| 334473 | BTX95-700R | Pulse Modulator Thyristor | Philips |
| 334474 | BTX95-800R | Pulse modulator thyristor | mble |
| 334475 | BTX95-800R | Pulse modulator thyristor | Mullard |
| 334476 | BTX95-800R | Pulse Modulator Thyristor | Philips |
| 334477 | BTY79 | Thyristor SCR 400V 150A | New Jersey Semiconductor |
| 334478 | BTY79 | P-Gate Silicon Thyristor | Philips |
| 334479 | BTY79-1000R | Avalanche thyristor | mble |
| 334480 | BTY79-1000R | Thyristors and stacks thyristors | Mullard |
