The TRI 1-2412 from Traco Power is a DC to DC Converter with Input Voltage 21.6 to 26.4 V, Output Voltage 1 12 V, Output Current 1 84 mA, Output Power 1 W, Isolation Voltage 3 kV. Tags: Through Hole, Buck/Step down. More details for TRI 1-2412 can be seen below.