The 5S15.067SMT from Calex Manufacturing is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 15 V, Output Current 1 0.067 A, Output Power 1 W, Isolation Voltage 1 kV. Tags: Surface Mount, Boost/Step Up. More details for 5S15.067SMT can be seen below.