An electrical device like this requires a reverse leakage current of 10nA @ 25.08V.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).
1PMT4121E3/TR7 Features
reverse leakage current of 10nA @ 25.08V 10nA @ 25.08V is the maximum voltage (Tol)
1PMT4121E3/TR7 Applications
There are a lot of Microsemi Corporation 1PMT4121E3/TR7 applications of zener single diodes.