The SA50-120-12S-A-P from Microchip Technology is a DC to DC Converter with Input Voltage 120 V, Output Voltage 1 12 V, Output Current 1 4.2 A, Output Power 50000 mW, Operating Temperature -55 to 125 Degree C. Tags: Through Hole, Buck/Step down. More details for SA50-120-12S-A-P can be seen below.