The reverse leakage current for this electrical device should be 50nA @ 15.4V.While operating, the maximum voltage - Zener (Nom) is reduced to 22VV.For its operation, maximum voltage - Forward (Vf) 1.5V @ 100mA is provided.
BZX79C22_T50A Features
reverse leakage current of 50nA @ 15.4V 50nA @ 15.4V is the maximum voltage (Tol)
BZX79C22_T50A Applications
There are a lot of ON Semiconductor BZX79C22_T50A applications of zener single diodes.