| 型号 | 厂家 | 封装 | 批号 |
| TOP257EG | Power Integrations | 原厂封装 | 22+ |
| TOP257PG | Power Integrations | 原厂封装 | 22+ |
| TOP256LG | Power Integrations | 原厂封装 | 22+ |
| TOP256LN | Power Integrations | 原厂封装 | 22+ |
| TOP256MG | Power Integrations | 原厂封装 | 22+ |
| TOP256MN | Power Integrations | 原厂封装 | 22+ |
| TOP256PG | Power Integrations | 原厂封装 | 22+ |
| TOP255LG | Power Integrations | 原厂封装 | 22+ |
| TOP255LN | Power Integrations | 原厂封装 | 22+ |
| TOP255MG | Power Integrations | 原厂封装 | 22+ |
