The TIM 3.5-2422SM from Traco Power is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 12 V, Output Current 1 0.146 A, Output Power 3.5 W, Output Voltage 2 -12 V. Tags: Surface Mount, Buck/Step down. More details for TIM 3.5-2422SM can be seen below.