The Powerex Inc. 2N1794 is a standard recovery Silicon Controlled Rectifier (SCR) designed for heavy-duty power control applications. This component features a 150V repetitive peak off-state voltage (VDRM) and a 110A RMS on-state current (IT(RMS)). Its high surge current capability, rated at 1000A at 60Hz (ITSM), ensures robust performance under transient conditions. The 2N1794 has a maximum forward on-state voltage drop (VTM) of 2.3V and requires a gate trigger current (IGT) of 70mA with a gate trigger voltage (VGT) of 3V. Mounted via a chassis stud, this SCR is housed in a TO-209AC (TO-94) package and operates reliably within a temperature range of -40°C to 125°C. It is suitable for use in power switching, motor control, and industrial power supply circuits.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: DiscontinuedPackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | TO-209AC, TO-94-4, Stud |
| Mounting Type | Chassis, Stud Mount |
| SCR Type | Standard Recovery |
| Operating Temperature | -40°C ~ 125°C |
| Current - Gate Trigger (Igt) (Max) | 70 mA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 1000A @ 60Hz |
| Current - On State (It (AV)) (Max) | 70 A |
| Voltage - Gate Trigger (Vgt) (Max) | 3 V |
| Voltage - On State (Vtm) (Max) | 2.3 V |
| Current - Off State (Max) | 20 mA |
| Supplier Device Package | - |
| Current - On State (It (RMS)) (Max) | 110 A |
| Voltage - Off State | 150 V |
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