The reverse leakage current for this electrical device should be 100nA @ 19V.While operating, the maximum voltage - Zener (Nom) is reduced to 25VV.For its operation, maximum voltage - Forward (Vf) 900mV @ 10mA is provided.
MMSZ5253BT1 Features
reverse leakage current of 100nA @ 19V 100nA @ 19V is the maximum voltage (Tol)
MMSZ5253BT1 Applications
There are a lot of Rochester Electronics, LLC MMSZ5253BT1 applications of zener single diodes.