An electrical device like this requires a reverse leakage current of 5μA @ 1V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 3.92V.This device must be operated with the working test voltage set to 20mA.For operation, diode reaches 900mV @ 10mA at the maximum voltage - Forward (Vf).
PLZ3V9A-G3/H Features
reverse leakage current of 5μA @ 1V 5μA @ 1V is the maximum voltage (Tol) the working test voltage to 20mA minimal dynamic impedance is 20mA
PLZ3V9A-G3/H Applications
There are a lot of Vishay Semiconductor Diodes Division PLZ3V9A-G3/H applications of zener single diodes.