The DL85C12 from Micro Commercial Components is a Zener Diode with Zener Voltage 11.4 to 12.7 V, Zener Current 0.5 mA, Voltage Forward 1.0 V, Current 20 mA, Current Reverse Reverse Leakage Current:- <0.5 uA. More details for DL85C12 can be seen below.