The reverse leakage current for this electrical device should be 50nA @ 14V.While operating, the maximum voltage - Zener (Nom) is reduced to 20VV.For its operation, maximum voltage - Forward (Vf) 900mV @ 10mA is provided.
MM5Z20VT5G Features
reverse leakage current of 50nA @ 14V 50nA @ 14V is the maximum voltage (Tol)
MM5Z20VT5G Applications
There are a lot of ON Semiconductor MM5Z20VT5G applications of zener single diodes.