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| Image | ![]() |
| Part Number | S4040NQRP |
| Manufacturer | Littelfuse Inc. |
| Series | - |
| Package/Case | TO-263-3, D2PAK (2 Leads + Tab), TO-263AB |
| Packaging | Tape & Reel (TR) |
| Product Status | Active |
| Voltage - Off State | 400 V |
| Voltage - Gate Trigger (Vgt) (Max) | 1.5 V |
| Current - Gate Trigger (Igt) (Max) | 40 mA |
| Voltage - On State (Vtm) (Max) | 1.8 V |
| Current - On State (It (AV)) (Max) | 25 A |
| Current - On State (It (RMS)) (Max) | 40 A |
| Current - Hold (Ih) (Max) | 60 mA |
| Current - Off State (Max) | 10 µA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 430A, 520A |
| SCR Type | Standard Recovery |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | TO-263 (D2PAK) |
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