This program utilizes the handy TO-226-3, TO-92-3 Long Body package.There is an external packaging of Bulk.Use of Through Hole can increase the complexity of the PCB design.-40°C~85°C is suitable for work within this range.Device package LSTM of the voltage reference ic's supplier can be found here.
TA76431AS(T6SOY,AF Features
TA76431AS(T6SOY,AF Applications
There are a lot of Toshiba Semiconductor and Storage TA76431AS(T6SOY,AF Voltage Reference applications.