Littelfuse Inc. S4025R is a standard recovery Silicon Controlled Rectifier (SCR) designed for reliable power control. This through-hole component features a 400V blocking voltage and an on-state current rating of 25A RMS (16A average). The S4025R exhibits a maximum on-state voltage drop of 1.6V and a gate trigger voltage of 1.5V, with a gate trigger current requirement of 35mA. Off-state leakage current is minimal at 10µA. It offers a high surge current capability of 300A/350A at 50/60Hz, ensuring robust performance under transient conditions. The TO-220 Non-Isolated Tab package facilitates efficient heat dissipation and straightforward mounting. Operating across a temperature range of -40°C to 125°C, this SCR is suitable for applications in industrial power control, motor drives, and power supplies.
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-220-3 |
| Mounting Type | Through Hole |
| SCR Type | Standard Recovery |
| Operating Temperature | -40°C ~ 125°C |
| Current - Hold (Ih) (Max) | 50 mA |
| Current - Gate Trigger (Igt) (Max) | 35 mA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 300A, 350A |
| Current - On State (It (AV)) (Max) | 16 A |
| Voltage - Gate Trigger (Vgt) (Max) | 1.5 V |
| Voltage - On State (Vtm) (Max) | 1.6 V |
| Current - Off State (Max) | 10 µA |
| Supplier Device Package | TO-220 Non-Isolated Tab |
| Current - On State (It (RMS)) (Max) | 25 A |
| Voltage - Off State | 400 V |
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