A Tape & Reel (TR) case is used to deliver the Voltage Regulated IC. A TO-226-3, TO-92-3 (TO-226AA) (Formed Leads) case is used for packaging. As you can see, the IC chip has 3 terminations. Regulator IC chip's output type is Fixed. The electronic part implements 1 regulators in total. In this Regulator IC chip, the operating temperature of Through Hole varies. -40°C~125°C degrees is the operating temperature of the Voltage Regulator IC. There is one output function configured for this voltage regulator IC, and that is Positive. As far as its current output is concerned, it stands at 150mA. There are 3 pins in total in this voltage regulator IC. It has 1 outputs to ensure that the performance of this regulator is prompt and sufficient. For your information, this regulator's basic part number is LT1121. There is a way of packing the regulator that is called TR.
LT1121IZ-3.3#TRPBF Features
TR method of packing
LT1121IZ-3.3#TRPBF Applications
There are a lot of Linear Technology/Analog Devices LT1121IZ-3.3#TRPBF Linear Voltage Regulators applications.