Angelo Lo Presti
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Angelo Lo Presti Hi can you tell me the value of the capacitors you soldered

cheetor 27/03/2019
Great little power supply. unfortunately out of the 3 I purchased 2 of them had SMT components that were not soldered to the board correctly. the other board had been manually re-worked and the flux reside had not been cleaned off.. The quoted ripple voltage of 50mV is not accurate either, because it only has electrolytic filter caps on the output it has sharp spikes of over 300mV.. soldering some SMT ceramic capacitors across the output capacitors fixed this up and reduced the ripple to a very reasonable 10mV under 100W load. in my photos you can see where I soldered the ceramic caps. In my pictured the red circles are where I installed the ceramic caps. and the green circle is where the component wasnt soldered correctly on the 2 boards.... the glossy look is from a moisture proof laquer I applied to the boards
Geekcreit® DC 6-40V To 1.2-36V 300W 20A Constant Current Adjustable Buck Converter Step Down Module Board
US$5.99 US$9.99
10
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T8 600mm Stainless Steel Lead Screw Set with Mounted Ball Bearing and Shaft Coupling
US$21.95 US$23.99

Q: What is the lead of the screw?

Asked by cheetor on 2019-12-09 08:18:48

Angelo Lo Presti Hi can you tell me the value of the capacitors you soldered

2019-12-16 03:41:41 Helpful (0)
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