2N1990S и другие
| Компонент | Описание | Производитель | |
| 2N1990 | Diode TP-39 |
New Jersey Semi-Conductor Products, Inc. |
 |
| 2N1990 | SMALL SIGNAL TRANSISTORS |
Central Semiconductor Corp |
|
| 2N1990R | Diode TP-39 |
New Jersey Semi-Conductor Products, Inc. |
|
| 2N1990S | Diode TP-39 |
New Jersey Semi-Conductor Products, Inc. |
|
| KSN-1990A-119 | Frequency Synthesizer |
Mini-Circuits |
|
| KSN-1990A-119+ | Frequency Synthesizer |
Mini-Circuits |
|