The TMR 2-0511E from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 9 V, Output Voltage 1 5 V, Output Current 1 0.4 A, Output Power 2 W, Isolation Voltage 1 kV. Tags: Through Hole, Buck-Boost. More details for TMR 2-0511E can be seen below.