The R24-100B from Recom Power is a DC to DC Converter with Input Voltage 21 to 27 V, Output Voltage 1 56 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 R24-100B can be seen below.