The TSD-100A-12 from Technology Dynamics is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 12 V, Output Current 1 8.5 A, Output Power 100 W, Operating Temperature 0 to 55 Degree C. Tags: Rack mount, Buck-Boost. More details for TSD-100A-12 can be seen below.