The THI 1211 from Traco Power is a DC to DC Converter with Input Voltage 10.8 to 13.2 V, Output Voltage 1 5 V, Output Current 1 0.4 A, Output Power 2 W, Isolation Voltage 6 kV. Tags: Through Hole, Buck/Step down. More details for THI 1211 can be seen below.