20 Watt Dummyload using SMD resistors

20 Watt Dummyload using SMD resistors: [IMG]

first 19 pcs 1watt 470 ohm SMD resistors is soldered on a 3mm thick cobber-bar
470 / 19 = 24.7 Ohm.. on top of the first 19 resistors, 19 more...