The TEM 3-1211N 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 0.6 A, Output Power 3 W, Isolation Voltage 1.5 kV. Tags: Through Hole, Buck/Step down. More details for TEM 3-1211N can be seen below.