An electrical device such as this requires reverse leakage current of 5μA @ 27.4V.During operation, the maximum voltage - Zener (Nom) is reduced to 36V volts.
SML4753AHE3_A/I Features
reverse leakage current of 5μA @ 27.4V 5μA @ 27.4V is the maximum voltage (Tol)
SML4753AHE3_A/I Applications
There are a lot of Vishay Semiconductor Diodes Division SML4753AHE3_A/I applications of zener single diodes.