| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| 2SC4499(L) | Bipolar power switching transistor | distributor | DPAK | - | - | - | 39 K |
| 2SC4499(S) | Bipolar power switching transistor | distributor | DPAK | - | - | - | 39 K |
| 2SC4993 | Small signal high frequency amplifier transistor | distributor | - | - | - | - | 65 K |
| L4990 | PRIMARY CONTROLLER | SGS-Thomson-Microelectronics | - | - | - | - | 322 K |
| L4990A | PRIMARY CONTROLLER | SGS-Thomson-Microelectronics | - | - | - | - | 322 K |
| L4990D | PRIMARY CONTROLLER | SGS-Thomson-Microelectronics | - | - | - | - | 322 K |
| L4992 | TRIPLE OUTPUT POWER SUPPLY CONTROLLER | SGS-Thomson-Microelectronics | - | - | - | - | 296 K |
| UPD4990AG | Calendar watch | NEC-Electronics-Inc- | - | - | - | - | 129 K |
| UPD4991ACX | Calendar clock | NEC-Electronics-Inc- | - | - | - | - | 133 K |
| UPD4992CX | Calendar clock | NEC-Electronics-Inc- | - | - | - | - | 101 K |
| UPD4992CX | Calendar clock | NEC-Electronics-Inc- | - | - | - | - | 101 K |
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