An electrical device like this requires a reverse leakage current of 10nA @ 18.2V.A maximum voltage (Tol) can be supplied if 5% is set.Design flexibility is enhanced by its zener current of 10nA.This device must be operated with the working test voltage set to 0.05mA.
MMSZ4709-HE3-18 Features
reverse leakage current of 10nA @ 18.2V 10nA @ 18.2V is the maximum voltage (Tol) the zener current of 10nA the working test voltage to 0.05mA minimal dynamic impedance is 0.05mA
MMSZ4709-HE3-18 Applications
There are a lot of Vishay Semiconductor Diodes Division MMSZ4709-HE3-18 applications of zener single diodes.