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| PartNumber | T731N42TOF | T731N40TOF | T731N42TOH |
| Description | SCR Modules 4.2KV 18KA | SCR Modules 4KV 18KA | |
| Manufacturer | EUPEC | Infineon Technologies | - |
| Product Category | Module | TVS - Thyristors | - |
| Current Rating | 1280 A | 1280 A | - |
| Circuit Type | PCT | PCT | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Rated Repetitive Off State Voltage VDRM | 4200 V | 4000 V | - |
| Holding Current Ih Max | 350 mA | 350 mA | - |
| Gate Trigger Voltage Vgt | 2.5 V | 2.5 V | - |
| Gate Trigger Current Igt | 350 mA | 350 mA | - |
| Non Repetitive On State Current | 18000 A | 18000 A | - |
| Off State Leakage Current VDRM IDRM | 200 mA | 200 mA | - |