Vishay General Semiconductor - Diodes Division 1.5SMC, TransZorb® Zener TVS diode, 1500W peak pulse power, 128V reverse standoff, 207V clamping, unidirectional, DO-214AB (SMC) surface mount, Tape & Reel.
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | 1.5SMC, TransZorb® |
| Mounting | Surface Mount |
| Voltage - breakdown | 143V |
| Voltage - clamping (Max) @ ipp | 207V |
| Voltage - reverse standoff | 128V |
| Current - peak pulse (10/1000μs) | 7.2A |
| Power - peak pulse | 1500W (1.5kW) |
| Power line protection | No |
| Operating temperature | -65°C~150°C(TJ) |
| Package | Tape & Reel (TR) |
| Applications | General Purpose |
| Case | DO-214AB, SMC |
| Unidirectional channels | 1 |
The 1.5SMC150A-M3/9AT: The 207V clamp at 7.2A means this diode holds the surge voltage to a level that downstream 250V-rated MOSFETs or DC-DC converters can survive. On a board with a 128V telecom or industrial bus, the margin between the clamp and the next component's abs-max rating is the difference between a reset and a scorch mark. The DO-214AB (SMC) package is a standard footprint — the same as the SMCJ suffix in the supplier device code.
The evidence does not list specific compliance certifications (RoHS, REACH, UL, IEC) for this order code. Standard Vishay documentation for the 1.5SMC series typically includes RoHS and REACH declarations; confirm at RFQ.