The reverse leakage current for this electrical device should be 500nA @ 15.5V.While operating, the maximum voltage - Zener (Nom) is reduced to 22VV.For its operation, maximum voltage - Forward (Vf) 1.2V @ 200mA is provided.
BZX85C22_T50A Features
reverse leakage current of 500nA @ 15.5V 500nA @ 15.5V is the maximum voltage (Tol)
BZX85C22_T50A Applications
There are a lot of ON Semiconductor BZX85C22_T50A applications of zener single diodes.