The TMK12H48D5 from Calex Manufacturing is a DC to DC Converter with Input Voltage 9 to 36 V, Output Voltage 1 5 V, Output Current 1 1000 mA, Output Power 12 W, Output Voltage 2 -5 V. Tags: Through Hole, Buck/Step down. More details for TMK12H48D5 can be seen below.