The NCS3S4803SC from Murata is a DC to DC Converter with Input Voltage 18 to 80 V, Output Voltage 1 3.3 V, Output Current 1 700 mA, Output Power 2310 mW, Isolation Voltage 1500 V. Tags: Through Hole, Buck/Step down. More details for NCS3S4803SC can be seen below.