The SMTR2812S from Crane Aerospace & Electronics is a DC to DC Converter with Input Voltage 16 to 40 V, Output Voltage 1 11.64 to 12.36 V, Output Current 1 0 to 2.5 A, Output Power 0 to 30 W, Power Consumption 12 W (Dissipation). Tags: Surface Mount. More details for SMTR2812S can be seen below.