An electrical device like this requires a reverse leakage current of 10nA @ 25.1V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 33V.For operation, diode reaches 1.1V @ 200mA at the maximum voltage - Forward (Vf).
JAN1N4121DUR-1 Features
reverse leakage current of 10nA @ 25.1V 10nA @ 25.1V is the maximum voltage (Tol)
JAN1N4121DUR-1 Applications
There are a lot of Microsemi Corporation JAN1N4121DUR-1 applications of zener single diodes.