The CQS24120-12 from Cosel is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 12 V, Output Current 1 12 a, Output Power 144000 mW, Isolation Voltage 1500 Vdc. Tags: Through Hole, Buck/Step down. More details for CQS24120-12 can be seen below.