The DL85C16 from Micro Commercial Components is a Zener Diode with Zener Voltage 15.3 to 17.1 V, Zener Current 0.5 mA, Voltage Forward 1.0 V, Current 15 mA, Current Reverse Reverse Leakage Current:- <0.5 uA. More details for DL85C16 can be seen below.