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PCB Cleaning

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When cleaning assemblies (PCB cleaning, PCBA cleaning), the primary goal is to remove resin and flux residues from populated boards and hybrids as well as production related residues created by handling. It is recommended not to clean Circuit Boards (PCB) manually with a cleaning brush as this can damage the components.

Community > Groups > PCB Cleaning > Best transformers
Best transformers
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Emre Karabek

Hi guys,
So I've been trying to source some small single channel transformers (power). Currently I use EI core dual bobbin's and they work very well, but the hum is a problem. I wanted to try James Transformers OA core because they appear to be very high quality and sport a shield between the windings.
Anyway, if someone/s can point me in the direction where to order better EI dual bobbins, or ideally OA core toroids with a shield between windings, would be much appreciated.
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Elhanafy

Your sharing is quite useful to my new project. Thanks a lot.

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