An electrical device like this requires a reverse leakage current of 3μA @ 1V.During reverse leakage, the maximum current reaches 3μA.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 3.9V.For full functionality, this device should have a reverse voltage peak of 3μA.
MM5Z3V9 Features
reverse leakage current of 3μA @ 1V 3μA @ 1V is the maximum voltage (Tol) Reverse leakage current reaches 3μA
MM5Z3V9 Applications
There are a lot of ON Semiconductor MM5Z3V9 applications of zener single diodes.