During operation, the maximum voltage - Zener (Nom) is reduced to 5.6V volts.As soon as the maximum voltage - Forward (Vf) is supplied, it reaches 1.5V @ 200mA V.
TLZ5V6-GS18 Features
TLZ5V6-GS18 Applications
There are a lot of Vishay Semiconductor Diodes Division TLZ5V6-GS18 applications of zener single diodes.