The BZT52C6V8LP from Micro Commercial Components is a Zener Diode with Zener Voltage 6.4 to 7.2 V, Zener Current 1 mA, Voltage Forward 0.9 V, Current 5 mA, Current Reverse Reverse Leakage Current:- 2 uA. More details for BZT52C6V8LP can be seen below.