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  1. scoreb

    PCBA contamination identification

    I have recently gotten some field returns that have high impendence shorts under some of the .1uf 1206 caps. The assemblies pass our end of line test but fail in the field under high humidity. I suspect contamination left over from the assembly process is the reason for failure, but need to...
  2. scoreb

    LED life

    Can anybody suggest a good LED reference? I am specifically concerned about degradation of the LED over time. What would a curve of luminous vs time look like? I expect to run the LED's at about 12-15mA. Thanks scoreb

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