The reverse leakage current for this electrical device should be 200nA @ 9V.While operating, the maximum voltage - Zener (Nom) is reduced to 12VV.This device should be operated at 10mA on the working test voltage.
TFZVTR12B Features
reverse leakage current of 200nA @ 9V 200nA @ 9V is the maximum voltage (Tol) the working test voltage to 10mA minimal dynamic impedance is 10mA
TFZVTR12B Applications
There are a lot of ROHM Semiconductor TFZVTR12B applications of zener single diodes.