DC / DC Converter 40 Watt
| Watt | Input | Isolation | Case | Type |
| 40 | Dual regulated 2:1 | 1.6kV | 2x1 | ST-XXYY D40 |
| Dual regulated 4:1 | SM40A-XXYY D40 | |||
| 1.5kV | SURA_LD-40WR4 | |||
| Dual regulated 9-75 | 1.6kV | SYNC40 | ||
| Single regulated 2:1 | 1.6kV | 2x1 | ST-XXYY S40 | |
| 1.5kV | 2x1 optional heatsink | SVRB_LD-40W(H)R3 | ||
| 2x1 | SM40A-XXYY S40 | |||
| 1.5kV | SURB_LD-40WR4 | |||
| Single regulated 8:1 | 1.6kV | 2x1 | SYNC40 | |
| regulated 9-75 | 1.5-3kV | 2x1 | SURF1D_LD-40WR5 | |
| 200-1200 | 4kV | SPV40-27BxxR4 | ||
| 200-1500 | 4kV | SPV40-29BxxR4 |