The MMBZ5232C from Micro Commercial Components is a Zener Diode with Zener Voltage 5.49 to 5.71 V, Zener Current 20 to 0.25 mA, Voltage Forward 1.2 V, Current Reverse Leakage Current:- 5 uA, Power 300 mW. More details for MMBZ5232C can be seen below.