The reverse leakage current needed to power this electric device is 45nA @ 18.9V.Zener single diode is a maximum voltage (Tol) that can be supplied at 2%.As part of the operation, the maximum voltage - Zener (Nom) is reduced to 27V.Setting the working test voltage to 2mA will allow this device to operate.
BZX585B27 RSG Features
reverse leakage current of 45nA @ 18.9V 45nA @ 18.9V is the maximum voltage (Tol) the working test voltage to 2mA minimal dynamic impedance is 2mA
BZX585B27 RSG Applications
There are a lot of Taiwan Semiconductor Corporation BZX585B27 RSG applications of zener single diodes.