Tape & Reel (TR) is the package in which it is packaged. As a space-saving measure, it is included in the 8-SOIC (0.154, 3.90mm Width) package. Surface Mount tells us how to mount it. It uses an analog integrated circuit SWITCHING CONTROLLER. It has a base part number of TS4305, which can be used to locate similar components.
TS4305BMSTRT Features
8-SOIC (0.154, 3.90mm Width) package Mounting type of Surface Mount
TS4305BMSTRT Applications
There are a lot of Semtech Corporation TS4305BMSTRT Power Supply Control ICs applications.