U490B Série
| Pièce fabricant# | Description | Fabricant | En stock | Fonctionnement |
| U490B-M | IC PHASE CONTROL ONE-SHOT 8DIP | Microchip Technology | 7879 |
|
| U490B-MFPG3 | IC PHASE CONTROL ONE-SHOT 8-SOIC | Microchip Technology | 2289 |
|
| U490B-MFP | IC PHASE CONTROL ONE-SHOT 8-SOIC | Microchip Technology | 7258 |
|