The reverse leakage current needed to power this electric device is 100nA @ 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 12V.Setting the working test voltage to 5mA will allow this device to operate.
BZT52C12K RKG Features
reverse leakage current of 100nA @ 9V 100nA @ 9V is the maximum voltage (Tol) the working test voltage to 5mA minimal dynamic impedance is 5mA
BZT52C12K RKG Applications
There are a lot of Taiwan Semiconductor Corporation BZT52C12K RKG applications of zener single diodes.