The MGS30512 from Cosel is a DC to DC Converter with Input Voltage 4.5 to 9 V, Output Voltage 1 12 V, Output Current 1 0.25 A, Output Power 3000 mW, Isolation Voltage 1500 Vdc. Tags: Through Hole, Boost/Step Up. More details for MGS30512 can be seen below.