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    Solder Preforms
    SOLDER PREFORMS
    Tin-lead Solder Preforms

    With the increasing awareness of environmental protection, lead-free solders are replacing tin-lead solders gradually. However, due to their good performance on wettability, reliability etc., tin-lead solders are still in wide use.

    PRODUCT SELECTION
    DETAILED INTRODUCTION
    PRODUCT LIST

    Features & Benefits

    ·  Good Mechanical Properties

    ·  Favorable thermal fatigue property

    ·  Excellent wetting properties

    ·  High reliability

    ·  Long-range reliability data support


    Typical Products

    Pb92.5Sn5Ag2.5 Preforms

    Pb92.5Sn5Ag2.5 is a kind of high temperature soft solder, because of its unique features and benefits as below, it is irreplaceable until now. 

     

    Adding appropriate amount of silver can make the bonds withstand higher temperature, then to match the requirements of high reliability in high power components packaging.

    PRODUCT LIST
    Solid Line
    °C
    Liquidus
    Eutectic Alloy
    Density
    g/cm3
    Resistivity
    µΩ.m
    Thermal Conductivity
    W/m.K
    Thermal Expansion Coefficient
    10-6/℃
    Tensile Strength
    Mpa
    / 179 / 8.42 0.145 42 27 44
    / 183 / 8.4 0.146 51 25 52
    183 268 / 9.96 0.194 / / 23.62
    275 302 / 10.74 / / / /
    287 296 / 11.02 0.2 26 24 29.03
    300 310 / 11.02 0.313 25 25 31.44
    240 260 / 9.97 0.375 18 26 37.58
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