An electrical device like this requires a reverse leakage current of 50nA @ 11.2V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 16V.For operation, diode reaches 900mV @ 10mA at the maximum voltage - Forward (Vf).
BZX84-C16/LF1R Features
reverse leakage current of 50nA @ 11.2V 50nA @ 11.2V is the maximum voltage (Tol)
BZX84-C16/LF1R Applications
There are a lot of NXP USA Inc. BZX84-C16/LF1R applications of zener single diodes.