The reverse leakage current for this electrical device should be 20μA @ 1.5V.While operating, the maximum voltage - Zener (Nom) is reduced to 6VV.For its operation, maximum voltage - Forward (Vf) 1.5V @ 200mA is provided.
PTV5.6B-E3/85A Features
reverse leakage current of 20μA @ 1.5V 20μA @ 1.5V is the maximum voltage (Tol)
PTV5.6B-E3/85A Applications
There are a lot of Vishay Semiconductor Diodes Division PTV5.6B-E3/85A applications of zener single diodes.