S4040NQ3TP
SCR 400V 40A TO263Manufacturer: Littelfuse Inc.
Categories: SCRs
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Littelfuse Inc. S4040NQ3TP is a standard recovery SCR designed for high-power switching applications. This surface-mount device, packaged in a TO-263 (D2PAK) case, features a repetitive peak off-state voltage rating of 400V and an RMS on-state current handling capability of 40A. The S4040NQ3TP offers a peak on-state surge current of 430A at 50Hz and 520A at 60Hz, ensuring robust performance under transient conditions. Key parameters include a gate trigger current (Igt) of 40mA and a gate trigger voltage (Vgt) of 1.5V, facilitating reliable turn-on. The device maintains a low holding current (Ih) of 60mA and an off-state current of 10 µA. With an on-state voltage drop (Vtm) of 1.8V, it minimizes power dissipation. Operating across a temperature range of -40°C to 125°C, this SCR is suitable for use in power control, motor drives, and industrial automation.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | TO-263-3, D2PAK (2 Leads + Tab), TO-263AB |
| Mounting Type | Surface Mount |
| SCR Type | Standard Recovery |
| Operating Temperature | -40°C ~ 125°C |
| Current - Hold (Ih) (Max) | 60 mA |
| Current - Gate Trigger (Igt) (Max) | 40 mA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 430A, 520A |
| Current - On State (It (AV)) (Max) | 25 A |
| Voltage - Gate Trigger (Vgt) (Max) | 1.5 V |
| Voltage - On State (Vtm) (Max) | 1.8 V |
| Current - Off State (Max) | 10 µA |
| Supplier Device Package | TO-263 (D2PAK) |
| Current - On State (It (RMS)) (Max) | 40 A |
| Voltage - Off State | 400 V |
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