The MMBZ5242C from Micro Commercial Components is a Zener Diode with Zener Voltage 11.76 to 12.24 V, Zener Current 20 to 0.25 mA, Voltage Forward 1.2 V, Current Reverse Leakage Current:- 1 uA, Power 300 mW. More details for MMBZ5242C can be seen below.
