The EC3A35MS from Cincon Electronics is a DC to DC Converter with Input Voltage 36 to 72 V, Output Voltage 1 -12 to 12 V, Output Current 1 -125 to 125 mA, Output Power 3000 mW, Isolation Voltage 500 V. Tags: Through Hole, Buck/Step down. More details for EC3A35MS can be seen below.