An electrical device like this requires a reverse leakage current of 50μA @ 1V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 3V.For operation, diode reaches 1.5V @ 100mA at the maximum voltage - Forward (Vf).
1N5987B BK PBFREE Features
reverse leakage current of 50μA @ 1V 50μA @ 1V is the maximum voltage (Tol)
1N5987B BK PBFREE Applications
There are a lot of Central Semiconductor Corp 1N5987B BK PBFREE applications of zener single diodes.