The TBA 2-2421 from Traco Power is a DC to DC Converter with Input Voltage 21.6 to 26.4 V, Output Voltage 1 5 V, Output Current 1 0.2 A, Output Power 2 W, Output Voltage 2 -5 V. Tags: Through Hole, Buck/Step down. More details for TBA 2-2421 can be seen below.