An electrical device like this requires a reverse leakage current of 10μA @ 3V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 5.1V.For operation, diode reaches 1V @ 200mA at the maximum voltage - Forward (Vf).
1N4625 TR PBFREE Features
reverse leakage current of 10μA @ 3V 10μA @ 3V is the maximum voltage (Tol)
1N4625 TR PBFREE Applications
There are a lot of Central Semiconductor Corp 1N4625 TR PBFREE applications of zener single diodes.