The SZ1SMA5927BT3G is a 1.5 Watt surface-mount Zener voltage regulator in an SMA package, designed for automotive and other high-reliability applications. It provides a nominal Zener voltage of 12 V at a test current of 31.2 mA, with a specified voltage range between 11.4 V and 12.6 V. Key electrical characteristics include a maximum Zener impedance (ZZT) of 6.5 Ω and a low reverse leakage current of 0.5 µA at 9.1 V. This device is AEC-Q101 qualified and PPAP capable, ensuring robust performance for demanding electronic systems.