The TDN 5WI Series from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 75 V, Output Voltage 1 3.3 to 24 V, Output Current 1 0.168 to 1 A, Output Power 5 W, Output Voltage 2 -15 to -5 V. Tags: Through Hole, Buck-Boost. More details for TDN 5WI Series can be seen below.