
Littelfuse Inc. Q4040K5TP
MPNQ4040K5TP
Active
ALTSTR 400V 40A 50-50-50MA TO218
$11.42Ref. price · indicative, final on quote
PackagingTO-218-3 Isolated Tab, TO-218AC
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Triac type | Alternistor - Snubberless |
| Mounting | Through Hole |
| Voltage - off state | 400 V |
| Voltage - gate trigger (Vgt) | 1.3 V |
| Current - hold (Ih) | 100 mA |
| Current - gate trigger (Igt) | 50 mA |
| Current - on state (It (RMS)) | 40 A |
| Current - non rep. surge 50, 60Hz | 335A, 400A |
| Operating temperature | -40°C ~ 125°C (TJ) |
| Package | Tube |
| Configuration | Single |
| Case | TO-218-3 Isolated Tab, TO-218AC |