The SMTR2815D from Crane Aerospace & Electronics is a DC to DC Converter with Input Voltage 16 to 40 V, Output Voltage 1 14.47 to 15.53 V, Output Current 1 0 to 2 A, Output Power 0 to 30 W, Power Consumption 5 to 12 W (Dissipation). Tags: Surface Mount. More details for SMTR2815D can be seen below.