PCB shelf life control

  1. sunwayfastpcb
    sunwayfastpcb
    PCB shelf life control for different surface finishes

    HASL/ HASL Lead free 12months
    ENIG 12months
    Immersion Tin 6 months
    Immersion Silver 6 months
    OSP 6 months

    The storage conditions without unpacking vacuum package:
    preferred conditions,
    Temp <=25 degree, RH<=55%

    acceptable conditions,
    Temp <=30 degree, RH<=65%
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