An electrical device like this requires a reverse leakage current of 50μA @ 1.9V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 4.7V.For operation, diode reaches 1.5V @ 200mA at the maximum voltage - Forward (Vf).
1N5230A (DO-35) Features
reverse leakage current of 50μA @ 1.9V 50μA @ 1.9V is the maximum voltage (Tol)
1N5230A (DO-35) Applications
There are a lot of Microsemi Corporation 1N5230A (DO-35) applications of zener single diodes.