The TMK12H48S15 from Calex Manufacturing is a DC to DC Converter with Input Voltage 9 to 36 V, Output Voltage 1 15 V, Output Current 1 800 mA, Output Power 12 W, Isolation Voltage 1.5 kV. Tags: Through Hole, Buck/Step down. More details for TMK12H48S15 can be seen below.