The DL85C22 from Micro Commercial Components is a Zener Diode with Zener Voltage 20.8 to 23.3 V, Zener Current 0.5 mA, Voltage Forward 1.0 V, Current 10 mA, Current Reverse Reverse Leakage Current:- <0.5 uA. More details for DL85C22 can be seen below.