An electrical device such as this requires reverse leakage current of 3μA @ 4V.During operation, the maximum voltage - Zener (Nom) is reduced to 6.2V volts.
BZX84B6V2LFHT116 Features
reverse leakage current of 3μA @ 4V 3μA @ 4V is the maximum voltage (Tol)
BZX84B6V2LFHT116 Applications
There are a lot of ROHM Semiconductor BZX84B6V2LFHT116 applications of zener single diodes.