The BZX584B24 from Micro Commercial Components is a Zener Diode with Zener Voltage 23.52 to 24.48 V, Zener Current 5 mA, Voltage Forward 0.9 V, Current 1 mA, Current Reverse Reverse Leakage Current:- 0.1 uA. More details for BZX584B24 can be seen below.