Littelfuse Inc., 1.5SMC series, Type Zener, bidirectional TVS diode, 1.5SMC550C, 1500W peak pulse, 495V standoff, 798V clamp, DO-214AB SMC package, Tape & Reel.
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | 1.5SMC |
| Mounting | Surface Mount |
| Voltage - breakdown | 495V |
| Voltage - clamping (Max) @ ipp | 798V |
| Voltage - reverse standoff | 495V |
| Current - peak pulse (10/1000μs) | 2A |
| 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 |
| Bidirectional channels | 1 |
The 1.5SMC550C is listed as Obsolete by Littelfuse.
Rated for 1500 W peak pulse power, it absorbs transient energy from lightning-induced surges or inductive load switching on a 400 VAC bus. The 495 V minimum breakdown voltage ensures the avalanche threshold is above the nominal rail.