The 36WRB1205S-3WR2 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 5 V, Output Current 1 30 to 600 mA, Output Power 3000 mW, Isolation Voltage 1500 V. Tags: Through Hole, Buck/Step down. More details for 36WRB1205S-3WR2 can be seen below.