The TMK12H48D12 from Calex Manufacturing is a DC to DC Converter with Input Voltage 9 to 36 V, Output Voltage 1 12 V, Output Current 1 500 mA, Output Power 12 W, Output Voltage 2 -12 V. Tags: Through Hole, Buck/Step down. More details for TMK12H48D12 can be seen below.