The TEN 3-1210N from Traco Power is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 3.3 V, Output Current 1 0.75 A, Output Power 3 W, Isolation Voltage 1.5 to 3 kV. Tags: Through Hole, Buck/Step down. More details for TEN 3-1210N can be seen below.