The RW-0509D from Recom Power is a DC to DC Converter with Input Voltage 4.5 to 9 V, Output Voltage 1 9 V, Output Current 1 167 mA, Output Power 3000 mW, Output Voltage 2 -9 V. Tags: Through Hole, Boost/Step Up. More details for RW-0509D can be seen below.