The CQB75W8-36S28 from Cincon Electronics is a DC to DC Converter with Input Voltage 9 to 75 V, Output Voltage 1 28 V, Output Current 1 2670 mA, Isolation Voltage 1500 to 4200 V, Operating Temperature -40 to 105 Degree C. Tags: Through Hole, Buck-Boost. More details for CQB75W8-36S28 can be seen below.