Tape & Reel (TR) cases are used for delivery. On the Linear IC itself, there are 4 terminations. There is one type of regulator for this device, which is FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR. TAPE AND REEL is the way in which the voltage regulator IC is packed.
XC6501C30A7R-G Features
TAPE AND REEL method of packing
XC6501C30A7R-G Applications
There are a lot of Torex Semiconductor Ltd XC6501C30A7R-G Linear Voltage Regulators applications.