Tracopower thp 3 series 3w dc dc converters tracopower thp 3 2423 tracopower thp 3 series 3w dc dc converters offer a very high io isolation voltage and input voltages up to 160v making them ideal for use in medical and other applications where high insulation is required to meet safety standards tracopower thp 3 2423 3w dc dc converter 9 40v dc in 15v dc 100ma out