During operation, the maximum voltage - Zener (Nom) is reduced to 27V volts.As soon as the maximum voltage - Forward (Vf) is supplied, it reaches 1.5V @ 200mA V.
TLZ27-GS08 Features
TLZ27-GS08 Applications
There are a lot of Vishay Semiconductor Diodes Division TLZ27-GS08 applications of zener single diodes.