The 36WRA0505S-3WR2 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 4.5 to 9 V, Output Voltage 1 5 V, Output Current 1 13 to 250 mA, Output Power 3000 mW, Output Voltage 2 -5 V. Tags: Through Hole, Buck-Boost. More details for 36WRA0505S-3WR2 can be seen below.