The EC4AB04MS from Cincon Electronics is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 -12 V, Output Current 1 230 mA, Output Power 5000 to 6000 mW, Output Voltage 2 12 V. Tags: Through Hole, Buck/Step down. More details for EC4AB04MS can be seen below.