The TDN 5-2421WI from Traco Power is a DC to DC Converter with Input Voltage 9 to 36 V, Output Voltage 1 5 V, Output Current 1 0.5 A, Output Power 5 W, Output Voltage 2 -5 V. Tags: Through Hole, Buck/Step down. More details for TDN 5-2421WI can be seen below.