The MMBZ5258C from Micro Commercial Components is a Zener Diode with Zener Voltage 35.28 to 36.72 V, Zener Current 3.4 to 0.25 mA, Voltage Forward 1.2 V, Current Reverse Leakage Current:- 0.1 uA, Power 300 mW. More details for MMBZ5258C can be seen below.