TOP257 Série
| Pièce fabricant# | Description | Fabricant | En stock | Fonctionnement |
| TOP257YN | IC OFFLINE SW FLYBACK TO220-7C | Power Integrations | 6618 |
|
| TOP257MN | IC OFFLINE SW FLYBACK 10CSDIP | Power Integrations | 9252 |
|
| TOP257GN | IC OFFLINE SWITCH FLYBACK 8SMD | Power Integrations | 2926 |
|
| TOP257LN | IC OFFLINE SWITCH FLYBACK 7FESIP | Power Integrations | 8019 |
|
| TOP257LG | IC OFFLINE SWITCH FLYBACK 7FESIP | Power Integrations | 2188 |
|
| TOP257MG | IC OFFLINE SW FLYBACK 10CSDIP | Power Integrations | 3274 |
|