An electrical device like this requires a reverse leakage current of 10μA @ 6V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 8.2V.
SML4738AHE3_A/I Features
reverse leakage current of 10μA @ 6V 10μA @ 6V is the maximum voltage (Tol)
SML4738AHE3_A/I Applications
There are a lot of Vishay Semiconductor Diodes Division SML4738AHE3_A/I applications of zener single diodes.