An electrical device like this requires a reverse leakage current of 1μA @ 47.1V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 62V.For operation, diode reaches 1.2V @ 200mA at the maximum voltage - Forward (Vf).
1PMT5944A/TR7 Features
reverse leakage current of 1μA @ 47.1V 1μA @ 47.1V is the maximum voltage (Tol)
1PMT5944A/TR7 Applications
There are a lot of Microsemi Corporation 1PMT5944A/TR7 applications of zener single diodes.