An electrical device such as this requires reverse leakage current of 50nA @ 12.6V.During operation, the maximum voltage - Zener (Nom) is reduced to 18V volts.As soon as the maximum voltage - Forward (Vf) is supplied, it reaches 900mV @ 10mA V.
BZX84C18LT1 Features
reverse leakage current of 50nA @ 12.6V 50nA @ 12.6V is the maximum voltage (Tol)
BZX84C18LT1 Applications
There are a lot of Rochester Electronics, LLC BZX84C18LT1 applications of zener single diodes.