Littelfuse Inc.
Littelfuse Inc. 1.5SMC series Zener TVS diode, 1.5SMC440A, 1500W peak pulse power, 376V reverse standoff, 602V clamping, DO-214AB SMC surface mount.
MOQ 5 · Tape & Reel (TR) Cut Tape (CT) · RoHS · EIA-481 · DAP/DDP · T/T
| Parameter / Attribute | Specification / Value |
|---|---|
| Type | Zener |
| Series | 1.5SMC |
| Mounting | Surface Mount |
| Voltage - breakdown | 418V |
| Voltage - clamping (Max) @ ipp | 602V |
| Voltage - reverse standoff | 376V |
| Current - peak pulse (10/1000μs) | 2.5A |
| Power - peak pulse | 1500W (1.5kW) |
| Power line protection | No |
| Operating temperature | -55°C ~ 150°C (TJ) |
| Package | Tape & Reel (TR) Cut Tape (CT) |
| Applications | General Purpose |
| Case | DO-214AB, SMC |
| Unidirectional channels | 1 |
The 1.5SMC440A: The 2.5 A peak pulse current at the clamping voltage confirms the diode can handle a 602 V, 2.5 A event without failing short — useful for sizing the upstream fuse or PTC to coordinate the protection chain.
A TVS in an outdoor telecom cabinet or an unheated enclosure sees the same derating curve; no mid-range temperature bin to track.
