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| PartNumber | ND430821 | ND430825 | ND430825NA |
| Description | SCR MOD ISO DUAL 800V 210A | SCR MOD ISO DUAL 800V 250A | |
| Manufacturer | Powerex Inc. | Powerex Inc. | - |
| Product Category | Thyristors - SCRs - Modules | Module | - |
| Series | - | - | - |
| Packaging | Bulk | Bulk | - |
| Package Case | POW-R-BLOK Module | POW-R-BLOK Module | - |
| Mounting Type | Chassis Mount | Chassis Mount | - |
| Structure | Series Connection - All SCRs | Series Connection - All SCRs | - |
| Current Hold Ih Max | - | - | - |
| Voltage Off State | 800V | 800V | - |
| Current Gate Trigger Igt Max | 150mA | 150mA | - |
| Current On State It AV Max | 210A | 250A | - |
| Current On State It RMS Max | 330A | 393A | - |
| Current Non Rep# Surge 50 60Hz Itsm | 11190A @ 60Hz | 8800A @ 60Hz | - |
| Number of SCRs Diodes | 2 SCRs | 2 SCRs | - |