An electrical device like this requires a reverse leakage current of 100nA @ 25V.A maximum voltage (Tol) can be supplied if 5% is set.For operation, diode reaches 900mV @ 10mA at the maximum voltage - Forward (Vf).For full functionality, this device should have a reverse voltage peak of 100nA.
MMSZ5257BS-7 Features
reverse leakage current of 100nA @ 25V 100nA @ 25V is the maximum voltage (Tol)
MMSZ5257BS-7 Applications
There are a lot of Diodes Incorporated MMSZ5257BS-7 applications of zener single diodes.