The R12-100B from Recom Power is a DC to DC Converter with Input Voltage 10 to 14 V, Output Voltage 1 50 to 135 V, Output Current 1 50 mA, Output Power 5000 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Boost/Step Up. More details for R12-100B can be seen below.