
Littelfuse Inc. S4040NQ2RP
MPNS4040NQ2RP
Active
SCR 400V 40A TO263
$6.12Ref. price · indicative, final on quote
PackagingTO-263-3, D²Pak (2 Leads + Tab), TO-263AB
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| SCR type | Standard Recovery |
| Mounting | Surface Mount |
| Voltage - off state | 400 V |
| Voltage - on state (Vtm) | 1.8 V |
| Voltage - gate trigger (Vgt) | 1.5 V |
| Current - hold (Ih) | 6 mA |
| Current - off state | 10 µA |
| Current - gate trigger (Igt) | 40 mA |
| Current - on state (It (AV)) | 25 A |
| Current - on state (It (RMS)) | 40 A |
| Current - non rep. surge 50, 60Hz | 430A, 520A |
| Operating temperature | -40°C ~ 125°C (TJ) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Case | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB |