The BZX584B3V6 from Micro Commercial Components is a Zener Diode with Zener Voltage 3.53 to 3.67 V, Zener Current 5 mA, Voltage Forward 0.9 V, Current 1 mA, Current Reverse Reverse Leakage Current:- 5 uA. More details for BZX584B3V6 can be seen below.