The 12S12.084SMT from Calex Manufacturing is a DC to DC Converter with Input Voltage 10.8 to 13.2 V, Output Voltage 1 12 V, Output Current 1 0.084 A, Output Power 1 W, Isolation Voltage 1 kV. Tags: Surface Mount, Buck-Boost. More details for 12S12.084SMT can be seen below.