The reverse leakage current needed to power this electric device is 5μA @ 9.1V.As part of the operation, the maximum voltage - Zener (Nom) is reduced to 12V.
SMZG3791B-M3/52 Features
reverse leakage current of 5μA @ 9.1V 5μA @ 9.1V is the maximum voltage (Tol)
SMZG3791B-M3/52 Applications
There are a lot of Vishay Semiconductor Diodes Division SMZG3791B-M3/52 applications of zener single diodes.