An electrical device like this requires a reverse leakage current of 25μA @ 1V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 3.3V.For operation, diode reaches 1.5V @ 100mA at the maximum voltage - Forward (Vf).
1N5988B TR PBFREE Features
reverse leakage current of 25μA @ 1V 25μA @ 1V is the maximum voltage (Tol)
1N5988B TR PBFREE Applications
There are a lot of Central Semiconductor Corp 1N5988B TR PBFREE applications of zener single diodes.