Tracopower tml series acdc 20w and 40w power modules tracopower tml 20212 ultra compact acdc power supplies from the tracopower tml series in a fully encapsulated plastic casing single dual and triple output models are available with either screw terminals for chassis mounting or solder pins for direct pcb mounting tracopower tml 20212 pcb mount 20w power supply module 12v 833ma