| Компонент | Описание | Производитель | |
| DCR1478/30 | Thyristor. Vrrm = 3000V, Vrsm = 3100V. D.C. motors control, controlled rectifiers, high power drives. |
Usha India Ltd. |
|
| DCR1478/32 | Thyristor. Vrrm = 3200V, Vrsm = 3300V. D.C. motors control, controlled rectifiers, high power drives. |
Usha India Ltd. |
|
| DCR1478/34 | Thyristor. Vrrm = 3400V, Vrsm = 3500V. D.C. motors control, controlled rectifiers, high power drives. |
Usha India Ltd. |
|
| DCR1478/36 | Thyristor. Vrrm = 3600V, Vrsm = 3700V. D.C. motors control, controlled rectifiers, high power drives. |
Usha India Ltd. |