The 1.5SMC33AHM3/H is a 1500 W peak pulse power Zener TVS diode from Vishay's 1.5SMC series, qualified to AEC-Q101 for automotive applications.
AEC-Q101 qualification and the automotive temperature band
AEC-Q101 qualification means this part has passed the reliability stress tests (HTRB, H3TRB, temperature cycling, ESD) required for automotive-grade discrete semiconductors.
