Taiwan Semiconductor 1.5SMC series Automotive Zener TVS, 1.5SMC22H, DO-214AB (SMC), 1500W peak pulse, 17.8V reverse standoff, 31.9V clamping, 49A peak pulse current.
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | 1.5SMC |
| Mounting | Surface Mount |
| Voltage - breakdown | 19.8V |
| Voltage - clamping (Max) @ ipp | 31.9V |
| Voltage - reverse standoff | 17.8V |
| Current - peak pulse (10/1000μs) | 49A |
| Power - peak pulse | 1500W (1.5kW) |
| Power line protection | No |
| Operating temperature | -55°C ~ 150°C (TJ) |
| Grade | Automotive |
| Package | Tape & Reel (TR) |
| Applications | Telecom |
| Qualification | AEC-Q101 |
| Case | DO-214AB, SMC |
| Unidirectional channels | 1 |
Rated AEC-Q101, the 1.5SMC22H is qualified for automotive stress levels — temperature cycling, high-temperature reverse bias, and ESD robustness per the AEC-Q101 test suite. No power-line protection feature is claimed — this is a unidirectional Zener for signal or DC rail clamping, not AC mains.
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