LDR31254
SCR MODULE 1.2KV 845A POW-R-BLOKManufacturer: Powerex Inc.
Categories: SCRs - Modules
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Powerex Inc. LDR31254 is a two-SCR module designed for robust power control applications. This POW-R-BLOK™ module features a series connection of SCRs, providing a high blocking voltage of 1.2 kV. The RMS on-state current handling capability is rated at 845 A, with an average on-state current of 540 A. Non-repetitive surge current is 18000 A at 50 Hz and 17000 A at 60 Hz. The module requires a maximum gate trigger current of 250 mA and a gate trigger voltage of 2.5 V, with a maximum holding current of 300 mA. Designed for chassis mounting, the LDR31254 operates across a temperature range of -40°C to 130°C (TJ). This component is commonly utilized in industrial motor drives, power supplies, and welding equipment.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: DiscontinuedPackaging: BulkDownload Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | POW-R-BLOK™ Module |
| Mounting Type | Chassis Mount |
| Operating Temperature | -40°C ~ 130°C (TJ) |
| Structure | Series Connection - All SCRs |
| Current - Hold (Ih) (Max) | 300 mA |
| Current - Gate Trigger (Igt) (Max) | 250 mA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 18000A, 17000A |
| Number of SCRs, Diodes | 2 SCRs |
| Current - On State (It (AV)) (Max) | 540 A |
| Voltage - Gate Trigger (Vgt) (Max) | 2.5 V |
| Current - On State (It (RMS)) (Max) | 845 A |
| Voltage - Off State | 1.2 kV |
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