The TIM 3.5-2419SM from Traco Power is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 9 V, Output Current 1 0.389 A, Output Power 3.5 W, Isolation Voltage 5 kV. Tags: Surface Mount, Buck/Step down. More details for TIM 3.5-2419SM can be seen below.