Regulators & References, Linear Regulators, L7805CV, STMicroelectronics

 The L78 series of three-terminal positive regulators is available in TO-220, TO-220FP, D²PAK and DPAK packages and several fixed output voltages, making it useful in a wide range of applications.

https://www.futureelectronics.com/p/semiconductors--analog--regulators-reference--linear-regulators/l7805cv-stmicroelectronics-2349009