Vishay General Semiconductor - Diodes Division 1.5SMC39AHM3_A/I, Automotive AEC-Q101 Zener TVS diode, 1500W peak pulse, 33.3V reverse standoff, unidirectional, DO-214AB SMC package, Tape & Reel.
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | Automotive, AEC-Q101, 1.5SMC, TransZorb® |
| Mounting | Surface Mount |
| Voltage - breakdown | 37.1V |
| Voltage - clamping (Max) @ ipp | 53.9V |
| Voltage - reverse standoff | 33.3V |
| Current - peak pulse (10/1000μs) | 27.8A |
| Power - peak pulse | 1500W (1.5kW) |
| Power line protection | No |
| Operating temperature | -65°C~150°C(TJ) |
| Package | Tape & Reel (TR) |
| Applications | Automotive, Telecom |
| Case | DO-214AB, SMC |
| Unidirectional channels | 1 |
The 1.5SMC39AHM3_A/I: The 53.9V maximum clamping voltage at the rated 27.8A peak pulse current tells you the highest voltage the protected circuitry will see during a surge — downstream components must survive that peak without damage.
The Tape & Reel packaging suits automated pick-and-place assembly for medium-to-high volume production runs.
Any other unidirectional TVS diode in the 1.5SMC series with the same DO-214AB package and a similar breakdown voltage range is footprint-compatible — the pad layout is shared across the family. For a different voltage rail, choose the variant with the matching reverse standoff voltage.