Based on the information you provide, " 65z5" Not a common triode model. Usually, the screen identification of a triode will include the manufacturer's code, model code, or other identification to identify the parameters and specifications of the device.
If possible, please provide more information about the transistor, such as the manufacturer's name, other identification, or context, in order to answer your question more accurately.
Silk screen 65Z5 SOT-23 package triode pattern, is the domestic LDO regulator, the output voltage should be 3.0V; Not a triode;