This datasheet details the STMicroelectronics SMA4FxxAY series of automotive 400 W unidirectional transient voltage suppressors (TVS) with AEC-Q101…
The SMA4FxxAY series consists of unidirectional transient voltage suppressors (TVS) designed to protect sensitive automotive circuits against surges defined in ISO 7637 series and electrostatic discharges according to ISO 10605. These devices feature Planar technology for compatibility with high-end circuits requiring low leakage current and high junction temperature stability.
| Peak pulse power (10/1000 µs) | 400 W |
|---|---|
| Peak pulse power (8/20 µs) | 2.5 kW |
| Package thickness | 1 mm |
| Stand-off voltage range | 5 V to 188 V |
| Operating junction temperature max | 175 °C |
| Leakage current at 25 °C | 0.2 μA |
| Leakage current at 85 °C | 1 μA |
| Qualification standard | AEC-Q101 |
The device supports a peak pulse power of 400 W for a 10/1000 µs pulse and 2.5 kW for an 8/20 µs pulse.
The maximum operating junction temperature is 175 °C.