The BZM55C2V2 from Micro Commercial Components is a Zener Diode with Zener Voltage 2.09 to 2.31 V, Zener Current 1.0 mA, Voltage Forward 1.5 V, Current 5.0 mA, Current Reverse Reverse Leakage Current:- 150 - 300 uA. More details for BZM55C2V2 can be seen below.