The reverse leakage current for this electrical device should be 3μA @ 6.5V.While operating, the maximum voltage - Zener (Nom) is reduced to 8.7VV.For its operation, maximum voltage - Forward (Vf) 1.1V @ 200mA is provided.
1N5238B-T Features
reverse leakage current of 3μA @ 6.5V 3μA @ 6.5V is the maximum voltage (Tol)
1N5238B-T Applications
There are a lot of Vishay Semiconductor Diodes Division 1N5238B-T applications of zener single diodes.