The B78O05-3R0 from Pulse Electronics is a DC to DC Converter with Input Voltage 7 to 36 V, Output Voltage 1 5 V, Output Current 1 0 to 3000 mA, Output Power 1.6 to 24 W, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck/Step down. More details for B78O05-3R0 can be seen below.