689-4999, Murata Power Solutions, Murata Power Solutions NKE DC-DC Converter, 3.3V dc/ 300mA Output, 4.5 → 5.5 V dc Input, 1W, Through Hole, +85°C Murata Power Solutions NKE DC-DC Converter, 3.3V dc/ 300mA Output, 4.5 → 5.5 V dc Input, 1W, Through Hole, +85°C