| Компонент | Описание | Производитель | |
| DCR1279/40 | Thyristor. Vrrm = 4000V, Vrsm = 4100V. D.C. motors control, controlled rectifiers, high power drives. |
Usha India Ltd. |
|
| DCR1279/44 | Thyristor. Vrrm = 4400V, Vrsm = 4500V. D.C. motors control, controlled rectifiers, high power drives. |
Usha India Ltd. |
|
| DCR1279/48 | Thyristor. Vrrm = 4800V, Vrsm = 4900V. D.C. motors control, controlled rectifiers, high power drives. |
Usha India Ltd. |