L7805ABV STMicroelectronics 5V Linear Voltage Regulator (TO-220-3)

The 7805 is probably the single most-used voltage regulator in hobby electronics, and this ABV-suffix part is STMicroelectronics' precision-grade version of it - tighter output tolerance than the standard-grade CV part, which matters when a design is sensitive to exactly how close to 5.0V the regulated rail actually sits. It takes anywhere from 10V up to 35V on the input and delivers a steady 5V at up to 1.5A, in the familiar TO-220 package that bolts to a heatsink when the dropout voltage and current draw call for one. A staple part for powering 5V logic and sensors from a higher-voltage battery or wall supply.