The UDH01-12D05 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 5 V, Output Current 1 100 mA, Output Power 1000 mW, Output Voltage 2 -5 V. Tags: Surface Mount, Through Hole, Buck/Step down. More details for UDH01-12D05 can be seen below.