The reverse leakage current needed to power this electric device is 2μA @ 1.5V.As part of the operation, the maximum voltage - Zener (Nom) is reduced to 5.09V.Setting the working test voltage to 5mA will allow this device to operate.
CDZFHT2RA5.1B Features
reverse leakage current of 2μA @ 1.5V 2μA @ 1.5V is the maximum voltage (Tol) the working test voltage to 5mA minimal dynamic impedance is 5mA
CDZFHT2RA5.1B Applications
There are a lot of ROHM Semiconductor CDZFHT2RA5.1B applications of zener single diodes.