A Tape & Reel (TR) case is used to deliver the Voltage Regulated IC. As you can see, the IC chip has 5 terminations. This chip has a total of 5 pins, which are arranged in a rectangular shape. It is important to note that this device has a FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR regulator type.
R1111N331A-TR-FE Features
R1111N331A-TR-FE Applications
There are a lot of RICOH Electronic Devices Co., LTD. R1111N331A-TR-FE Linear Voltage Regulators applications.