| Компонент | Описание | Производитель | |
| DCR444/10 | Thyristor(fast switching). Vrrm = 1000V, Vrsm = 1100V. High power inverters and choppers, railway traction, UPS, induction heating, AC motor drives and cycloconvertors. |
Usha India Ltd. |
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| DCR444/12 | Thyristor(fast switching). Vrrm = 1200V, Vrsm = 1300V. High power inverters and choppers, railway traction, UPS, induction heating, AC motor drives and cycloconvertors. |
Usha India Ltd. |