The SMSA2812D from Crane Aerospace & Electronics is a DC to DC Converter with Input Voltage 16 to 40 V, Output Voltage 1 11.44 to 12.56 V, Output Current 1 ±0.208 to 0.417 A, Output Power ±2.5 to 5 W, Power Consumption 1.3 to 1.9 W (Dissipation). Tags: Surface Mount. More details for SMSA2812D can be seen below.