The TMR 9-1221 from Traco Power is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 5 V, Output Current 1 0.8 A, Output Power 9 W, Output Voltage 2 -5 V. Tags: Through Hole, Buck/Step down. More details for TMR 9-1221 can be seen below.