The TRI 3 Series from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 75 V, Output Voltage 1 5 to 24 V, Output Current 1 0.115 to 0.7 A, Output Power 3.5 W, Output Voltage 2 -15 to -12 V. Tags: Through Hole, Buck-Boost. More details for TRI 3 Series can be seen below.