An electrical device like this requires a reverse leakage current of 100nA @ 43V.A maximum voltage (Tol) can be supplied if 2% is set.This device must be operated with the working test voltage set to 2.2mA.For full functionality, this device should have a reverse voltage peak of 100nA.
MMSZ5263C-E3-18 Features
reverse leakage current of 100nA @ 43V 100nA @ 43V is the maximum voltage (Tol) the working test voltage to 2.2mA minimal dynamic impedance is 2.2mA
MMSZ5263C-E3-18 Applications
There are a lot of Vishay Semiconductor Diodes Division MMSZ5263C-E3-18 applications of zener single diodes.