An electrical device like this requires a reverse leakage current of 100nA @ 19V.During reverse leakage, the maximum current reaches 100nA.This device must be operated with the working test voltage set to 5mA.For operation, diode reaches 1.5V @ 200mA at the maximum voltage - Forward (Vf).
TZQ5253B-GS18 Features
reverse leakage current of 100nA @ 19V 100nA @ 19V is the maximum voltage (Tol) Reverse leakage current reaches 100nA the working test voltage to 5mA minimal dynamic impedance is 5mA
TZQ5253B-GS18 Applications
There are a lot of Vishay Semiconductor Diodes Division TZQ5253B-GS18 applications of zener single diodes.