The RQF50J110S12 from Calex Manufacturing is a DC to DC Converter with Input Voltage 66 to 160 V, Output Voltage 1 12 V, Output Current 1 4.17 A, Output Power 50 W, Isolation Voltage 3 kV. Tags: Through Hole, Buck/Step down. More details for RQF50J110S12 can be seen below.