An electrical device like this requires a reverse leakage current of 100nA @ 21V.A maximum voltage (Tol) can be supplied if 10% is set.This device must be operated with the working test voltage set to 4.5mA.For operation, diode reaches 1.1V @ 200mA at the maximum voltage - Forward (Vf).
CDLL5255A Features
reverse leakage current of 100nA @ 21V 100nA @ 21V is the maximum voltage (Tol) the working test voltage to 4.5mA minimal dynamic impedance is 4.5mA
CDLL5255A Applications
There are a lot of Microsemi Corporation CDLL5255A applications of zener single diodes.