Murata OKI-78SR-5/1.5-W36-C. These are size and pin compatible with the classic 7805 linear regulators, but operate at around 90% efficiency and can supply up t

Murata OKI-78SR-5/1.5-W36-C. These are size and pin compatible with the classic 7805 linear regulators, but operate at around 90% efficiency and can supply up to 1.5A without needing a heatsink. https://power.murata.com/data/power/oki-78sr.pdf https://power.murata.com/data/power/oki-78sr.pdf https://github.com/linker3000/Z80-Board/blob/master/z80-6.jpg https://github.com/linker3000/Z80-Board/blob/master/z80-6.jp...