The TMR 3-0512HI from Traco Power 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 3 W, Isolation Voltage 3 kV. Tags: Through Hole, Boost/Step Up. More details for TMR 3-0512HI can be seen below.