The 15M3.3S from Pico Electronics is a DC to DC Converter with Input Voltage 15 V, Output Voltage 1 3.3 V, Output Current 1 0.3 A, Output Power 1000 mW, Operating Temperature -55 to 85 Degree C. Tags: Through Hole, Buck/Step Down. More details for 15M3.3S can be seen below.