The BZT52C2V4LP from Micro Commercial Components is a Zener Diode with Zener Voltage 2.2 to 2.6 V, Zener Current 1 mA, Voltage Forward 0.9 V, Current 5 mA, Current Reverse Reverse Leakage Current:- 50 uA. More details for BZT52C2V4LP can be seen below.