The TRN 3-0511 from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 13.2 V, Output Voltage 1 5 V, Output Current 1 0.6 A, Output Power 3 W, Isolation Voltage 1.6 kV. Tags: Through Hole, Buck-Boost. More details for TRN 3-0511 can be seen below.