TAMURA NC7-E5-200BLead Paste
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    NC7-E5-200B Feature:

    · Capable of printing fine patterns of 0.4mm pitch

    · Excellent in solderability to the end face of QFP lead, etc

    · Solder balls are seldom caused

    · Usable either in air reflow or N2 reflow

    NC7-E5-200B Parameter:

    ItemsNC7-E5-200BTest methods 
    Alloy compositionSn63/Pb 37JIS Z 3282(1986)
    Melting point183℃According to DSC measurement
    Particle size of solder20-38μmAccording to laser diffraction method 
    Shape of solder powderSphericalJIS Z 3284(1994)
    Flux content9.7%JIS Z 3197 (1999) 
    Chlorine content 0.00%JIS Z 3197 (1999) 
    Viscosity160-230Pa・s

    JIS Z 3284(1994) 

    Viscometer, type PCU, manufactured by Malcom at 25℃


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