Littelfuse lists the 1.5SMC56 as Obsolete. Sourcing runs through independent distribution; quantities are confirmed per RFQ, and the buyer should verify the date code and lot traceability at quote time.

1.5SMC56 Littelfuse TVS Diode, 1500W, 47.8V Standoff
MPN1.5SMC56
Obsolete
Littelfuse Inc. 1.5SMC series Zener TVS diode, 1.5SMC56, 1500W peak pulse power, 47.8V reverse standoff, 80.85V clamping, DO-214AB SMC package, Tape & Reel.
$0.6500Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | 1.5SMC |
| Mounting | Surface Mount |
| Voltage - breakdown | 50.4V |
| Voltage - clamping (Max) @ ipp | 80.85V |
| Voltage - reverse standoff | 47.8V |
| Current - peak pulse (10/1000μs) | 19.7A |
| Power - peak pulse | 1500W (1.5kW) |
| Power line protection | No |
| Operating temperature | -55°C~150°C(TJ) |
| Package | Tape & Reel (TR) |
| Applications | General Purpose |
| Case | DO-214AB, SMC |
| Unidirectional channels | 1 |