The L7805ABD2T-TR is an electronic component from STMicroelectronics, which is a voltage regulator of the linear, fixed type. It offers a steady output voltage of 5V and a maximum output current of up to 1.5A. This device comes in the D2PAK surface-mount package (SMD) and can be found easy thanks to its color-coded terminals, making it a cost-effective solution for those looking for a reliable regulating device.