The THI 0511 from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 5 V, Output Current 1 0.4 A, Output Power 2 W, Isolation Voltage 6 kV. Tags: Through Hole, Buck-Boost. More details for THI 0511 can be seen below.