| 591401 | ESM247 | PIN and Schottky Diode | SESCOSEM |
| 591402 | ESM248-100R | Thyristors - normal series | SESCOSEM |
| 591403 | ESM248-200R | Thyristors - normal series | SESCOSEM |
| 591404 | ESM248-300R | Thyristors - normal series | SESCOSEM |
| 591405 | ESM248-400R | Thyristors - normal series | SESCOSEM |
| 591406 | ESM248-500R | Thyristors - normal series | SESCOSEM |
| 591407 | ESM248-50R | Thyristors - normal series | SESCOSEM |
| 591408 | ESM248-600R | Thyristors - normal series | SESCOSEM |
| 591409 | ESM249R-500 | Thyristor | SESCOSEM |
| 591410 | ESM25 | FET dual transistor, N channel | SESCOSEM |
| 591411 | ESM259 | PNP Epitaxial-Base - High current gain (Darlington) | SESCOSEM |
| 591412 | ESM259 | PNP silicon Darlington transistor | SESCOSEM |
| 591413 | ESM25A | FET dual transistor, N channel | SESCOSEM |
| 591414 | ESM260 | PNP Epitaxial-Base - High current gain (Darlington) | SESCOSEM |
| 591415 | ESM260 | PNP silicon Darlington transistor | SESCOSEM |
| 591416 | ESM261 | PNP Epitaxial-Base - High current gain (Darlington) | SESCOSEM |
| 591417 | ESM261 | PNP silicon Darlington transistor | SESCOSEM |
| 591418 | ESM262 | PNP Epitaxial-Base - High current gain (Darlington) | SESCOSEM |
| 591419 | ESM262 | PNP silicon Darlington transistor | SESCOSEM |
|
| 591420 | ESM282 | NPN silicon transistor, RF amplification | SESCOSEM |
| 591421 | ESM3030DV | NPN DARLINGTON POWER MODULE | SGS Thomson Microelectronics |
| 591422 | ESM3030DV | NPN DARLINGTON POWER MODULE | ST Microelectronics |
| 591423 | ESM3045 | NPN DARLINGTON POWER MODULE | ST Microelectronics |
| 591424 | ESM3045DV | NPN DARLINGTON POWER MODULE | SGS Thomson Microelectronics |
| 591425 | ESM3045DV | NPN DARLINGTON POWER MODULE | ST Microelectronics |
| 591426 | ESM400 | NPN Power Transistor Triple Diffused - Fast switching | SESCOSEM |
| 591427 | ESM400A | NPN Power Transistor Triple Diffused - Fast switching | SESCOSEM |
| 591428 | ESM4045DV | NPN DARLINGTON POWER MODULE | SGS Thomson Microelectronics |
| 591429 | ESM4045DV | NPN DARLINGTON POWER MODULE | ST Microelectronics |
| 591430 | ESM4091 | N channel field effect transistor (epoxy can) | SESCOSEM |
| 591431 | ESM4092 | N channel field effect transistor (epoxy can) | SESCOSEM |
| 591432 | ESM4093 | N channel field effect transistor (epoxy can) | SESCOSEM |
| 591433 | ESM4120 | Recovery Diode | Dynex Semiconductor |
| 591434 | ESM412006 | Recovery Diode | Dynex Semiconductor |
| 591435 | ESM412008 | Recovery Diode | Dynex Semiconductor |
| 591436 | ESM412010 | Recovery Diode | Dynex Semiconductor |
| 591437 | ESM4446 | N channel field effect transistor (metal can) | SESCOSEM |
| 591438 | ESM4448 | N channel field effect transistor (metal can) | SESCOSEM |
| 591439 | ESM5045DV | NPN DARLINGTON POWER MODULE | SGS Thomson Microelectronics |
| 591440 | ESM5045DV | NPN DARLINGTON POWER MODULE | ST Microelectronics |
