Vishay General Semiconductor, Automotive AEC-Q101 1.5SMC TransZorb series, Zener TVS diode, 1500W peak pulse power, 43.6V standoff, DO-214AB (SMC) surface mount, Tape & Reel.
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | Automotive, AEC-Q101, 1.5SMC, TransZorb® |
| Mounting | Surface Mount |
| Voltage - breakdown | 48.5V |
| Voltage - clamping (Max) @ ipp | 70.1V |
| Voltage - reverse standoff | 43.6V |
| Current - peak pulse (10/1000μs) | 21.4A |
| Power - peak pulse | 1500W (1.5kW) |
| Power line protection | No |
| Operating temperature | -65°C~150°C(TJ) |
| Package | Tape & Reel (TR) |
| Applications | Automotive |
| Case | DO-214AB, SMC |
| Unidirectional channels | 1 |
The 1.5SMC51AHE3/9AT: Breakdown occurs at a minimum of 48.5 V, ensuring the diode starts conducting before the clamped voltage reaches 70.1 V. The AEC-Q101 qualification means it passed the automotive stress tests: temperature cycling, high-temperature reverse bias, and humidity bias.
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The part is AEC-Q101 qualified for automotive use. Vishay typically provides RoHS and REACH compliance data in the product datasheet; the TransZorb series is generally RoHS-compliant and halogen-free, but confirm the specific revision in the datasheet.