The TRS 2-0919 from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 13.2 V, Output Voltage 1 9 V, Output Current 1 0.222 A, Output Power 2 W, Isolation Voltage 1.6 kV. Tags: Surface Mount, Buck-Boost. More details for TRS 2-0919 can be seen below.