The MMBZ5256C from Micro Commercial Components is a Zener Diode with Zener Voltage 29.4 to 30.6 V, Zener Current 4.2 to 0.25 mA, Voltage Forward 1.2 V, Current Reverse Leakage Current:- 0.1 uA, Power 300 mW. More details for MMBZ5256C can be seen below.
