The TEL 15-1211N-HS from Traco Power is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 5.1 V, Output Current 1 2.94 A, Output Power 15 W, Isolation Voltage 1 to 1.8 kV. Tags: Through Hole, Buck/Step down. More details for TEL 15-1211N-HS can be seen below.