Today, let's test the cheap dodgy 12V 50A 600W switching power supply module from eBay from China (also monitoring the temperature). I tested it at 5A, 10A, 20A, 36A and finally full 50A load. The result probably wasn't a surprise :). I also talk about thermal resistances of transistors, diodes, heatsink pads and heatsinks. I explain how steeply the power dissipation of some components may grow with the current.
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