This electrical device requires reverse leakage current of 20μA @ 1V.The maximum voltage - Zener (Nom) is reduced to 4.2V during operation.Zener single diode reaches 1.5V @ 200mA when Zener single diode is supplied wZener single diodeh the maximum voltage - Forward (Vf).
PTV3.9B-E3/85A Features
reverse leakage current of 20μA @ 1V 20μA @ 1V is the maximum voltage (Tol)
PTV3.9B-E3/85A Applications
There are a lot of Vishay Semiconductor Diodes Division PTV3.9B-E3/85A applications of zener single diodes.