An electrical device like this requires a reverse leakage current of 10μA @ 1V.A maximum voltage (Tol) can be supplied if 5% is set.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 4.7V.This device must be operated with the working test voltage set to 53mA.
SML4732A-E3/5A Features
reverse leakage current of 10μA @ 1V 10μA @ 1V is the maximum voltage (Tol) the working test voltage to 53mA minimal dynamic impedance is 53mA
SML4732A-E3/5A Applications
There are a lot of Vishay Semiconductor Diodes Division SML4732A-E3/5A applications of zener single diodes.