Diotec Semiconductor 1.5SMCJ75A, Zener unidirectional TVS diode, 75V reverse standoff, 121V clamping, 12.4A peak pulse, 1500W peak pulse power, DO-214AB (SMC), surface-mount, strip packaging.
| Parameter | Value |
|---|---|
| Type | Zener |
| Mounting | Surface Mount |
| Voltage - breakdown | 83.3V |
| Voltage - clamping (Max) @ ipp | 121V |
| Voltage - reverse standoff | 75V |
| Current - peak pulse (10/1000μs) | 12.4A |
| Power - peak pulse | 1500W (1.5kW) |
| Power line protection | No |
| Operating temperature | -50°C~150°C(TJ) |
| Package | Strip |
| Applications | General Purpose |
| Case | DO-214AB, SMC |
| Unidirectional channels | 1 |
The minimum breakdown of 83.3 V keeps the diode off during normal operation, so the 75 V standoff sits comfortably below the breakdown floor — the clamping event only fires when it should. Operating junction temperature runs to 150°C, so the part survives the thermal aftermath of a clamping event without derating in most enclosed equipment enclosures. The -50°C low end covers outdoor and cold-start conditions.