An electrical device such as this requires reverse leakage current of 100nA @ 11V.During operation, the maximum voltage - Zener (Nom) is reduced to 16V volts.
BZX84B16VLT116 Features
reverse leakage current of 100nA @ 11V 100nA @ 11V is the maximum voltage (Tol)
BZX84B16VLT116 Applications
There are a lot of ROHM Semiconductor BZX84B16VLT116 applications of zener single diodes.