LDR31854
SCR MODULE 1.8KV 845A POW-R-BLOKManufacturer: Powerex Inc.
Categories: SCRs - Modules
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The Powerex Inc. LDR31854 is a high-power SCR module featuring a series connection of two SCRs within a POW-R-BLOK™ chassis-mount package. This component is rated for an off-state voltage of 1.8 kV and a continuous on-state current of 540 A (average) and 845 A (RMS). It exhibits a non-repetitive surge current capability of 18000 A at 50 Hz and 17000 A at 60 Hz. Gate trigger characteristics include a maximum voltage (Vgt) of 2.5 V and a maximum current (Igt) of 250 mA, with a holding current (Ih) of 300 mA. The module operates across a temperature range of -40°C to 130°C (TJ). This SCR module is suitable for demanding applications in power control, motor drives, and industrial power supplies.
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 | 1.8 kV |
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