The SA50-120-28S-A-H from Microchip Technology is a DC to DC Converter with Input Voltage 120 V, Output Voltage 1 28 V, Output Current 1 2 A, Output Power 56000 mW, Operating Temperature -55 to 125 Degree C. Tags: Through Hole, Buck/Step down. More details for SA50-120-28S-A-H can be seen below.