The RSO-483.3SZ/H2 from Recom Power is a DC to DC Converter with Input Voltage 36 to 72 V, Output Voltage 1 3.3 V, Output Current 1 300 mA, Output Power 1000 mW, Operating Temperature -40 to 100 Degree C. Tags: Through Hole, Buck/Step down. More details for RSO-483.3SZ/H2 can be seen below.