The TRI 3-2422 from Traco Power is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 12 V, Output Current 1 0.145 A, Output Power 3.5 W, Output Voltage 2 -12 V. Tags: Through Hole, Buck/Step down. More details for TRI 3-2422 can be seen below.