The TMV 2-0509SHI from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 9 V, Output Current 1 0.222 A, Output Power 2 W, Isolation Voltage 5.2 kV. Tags: Through Hole, Boost/Step Up. More details for TMV 2-0509SHI can be seen below.