The 40IMX4-1212-8G from Bel Fuse is a DC to DC Converter with Input Voltage 16.8 to 75 V, Output Voltage 1 12 V, Output Current 1 170 mA, Output Power 4100 mW, Output Voltage 2 -12 V. Tags: Through Hole, Buck/Step down. More details for 40IMX4-1212-8G can be seen below.