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Interposer
Connect LGA to PCB
With Compliant Columns
 
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Interposer: Compression mounting sockets or direct solderable interposers (Package on Package) with compliant columns absorbs CTE mismatch between the LGA and the PCB. Tin/Lead and Lead-Free available. Braided Columns, Copper Columns or Micro-Coil Springs

Features
  • Pin Count Up to 10,000 I/O
  • LGA Size: 4mm to 200mm
  • Column Alloy, Length and Ø Diameter. (See table)
  • Interposer
    Connects LGA to PCB with Solder Columns, Copper Columns or Micro-Coil Springs
    Model Number Pins
    I/O
    Pitch
    Pad
    Matrix
    X/Y Size
    LGA
    Alloy
    Construction
    Column
    ØDia
    Column Length Device Type Compression
    Solderable
    DWG Nbr
    Filled
    Fig. 360°
    Solidworks
    Model
    IP30E20B8x40A 20 0.5mm 5x5 4x4mm Cu Pillar Ø0.20mm
    8 mil
    1.0mm
    40mil
    QFN20
    Plastic
    Solderable 350520 Fig. 1 Model
    IP94D1272E20x91A 1272 1.0mm 36x36 37.5x37.5mm Pb90/Sn10
    Cu Braided
    Ø0.51mm
    20 mil
    2.21mm
    87mil
    CG1272
    Ceramic
    Compression 313681 Fig. 2 Model
    IP17P2400E20x50A 2400 1.0mm 50x48 50x50mm Micro-Coil
    to PGA
    Ø0.51mm
    20 mil
    1.27mm
    50mil
    CG2400
    Ceramic
    Solderable 314880 Model
    IP54R10000E16x87A 10000 1.0mm 100x100 100x100mm SAC305
    Cu Braided
    Ø0.40mm
    16 mil
    2.21mm
    87mil
    CG10000
    Si Wafer
    Solderable 319961 Model
    Note 1: Contact TopLine for assistance for Interposer configurations not shown above.
    Note 2: Column length: 1.0~2.5mm (40~100 mils).
     
     
     
    Example Column Interposers.
    Other sizes available.
    Fig. 1
    QFN 20 Pins
    Pitch 0.5mm - 4x4mm
    Solder Copper Column (PoP)
    Fig. 2
    CLGA 1272 Pins
    Copper Braided Solder Columns
    Pitch 1.0mm - 37.5x37.5mm
    SMT Compression Socket
     
     
     
    Interposer
    Model Number System
        IP         9        4        C        1272         E         20     x     87         A    
    Series Alloy Construction Plating Nbr Pins Pitch Column Diameter
    Mils
      Column Length
    Mils
    Version
    FILLED With Columns:
    IP = Interposer
    CodeAlloy
    1 = Micro-Coil
    3 = Cu Pillar
    5 = SAC305
    6 = Sn63/Pb37
    8 = Pb80/Sn20
    9 = Pb90/Sn10
    CodeDescription
    0 = Unplated Bare
    1 = Cu Pillar
    3 = Cu Wrap
    4 = Cu Braid
    7 = Micro-Coil
    9 = Micro-Coil


    Under Development
    2 = TBA
    5 = TBA
    6 = TBA
    8 = TBA
    CodePlating
    C = Cu Wrap (Sn/Pb)
    D = Cu Braid (Sn/Pb)
    E = Cu Pillar (Sn/Pb)
    F = NiPdAu (ENIPEG)
    P = MCS (Sn/Pb)
    G = Gold (Ni/Au)
    R = Cu Braid (SAC305)
    U = Unplated



    Under Development
    B = Cu Braid (Bi/Sn)
    PinsMatrix
    255 = 16x16
    349 = 19x19
    360 = 19x19
    472 = 22x22
    483 = 22x22
    484 = 22x22
    517 = 23x23
    624 = 25x25
    672 = 26x26
    717 = 27x27
    896 = 30x30
    1140 = 34x34
    1144 = 34x34
    1148 = 34x34
    1152 = 34x34
    1272 = 36x36
    1509 = 39x39
    1588 = 40x40
    1657 = 41x41
    1752 = 42x42
    2577 = 51x51
    CodePitch
    A = 0.4mm    
    B = 0.5mm    
    C = 0.65mm  
    D = 0.8mm    
    E = 1.0mm    
    F = 1.27mm
    G = 2.54mm

    Odd Pitch:
    V = 1.0mm Stagger
    W = 1.00/1.27mm
    Y = 1.17/1.09mm
    Z = Other    
    Code •     Metric
    Ø6 mil • 0.150mm
    Ø8 mil • 0.200mm
    Ø10mil • 0.250mm
    Ø12mil • 0.300mm
    Ø15mil • 0.380mm
    Ø16mil • 0.400mm
    Ø18mil • 0.450mm
    Ø20mil • 0.510mm
    Ø24mil • 0.610mm
    Ø30mil • 0.762mm
    Ø35mil • 0.890mm
      Code •   Metric
    40mil • 1.00mm
    50mil • 1.27mm
    62mil • 1.57mm
    87mil • 2.21mm
    91mil • 2.31mm
    93mil • 2.36mm
    95mil • 2.41mm
    100mil • 2.54mm
    110mil • 2.80mm
    145mil • 3.68mm
    150mil • 3.81mm
    Code
    A
    B
    C
    D
    E
     
     
    Drawing Number System
     
        3         1         36         8         1    
    Series Pitch Matrix Array Interconnect Diameter Version
    Interposer
    CodeItem Description
    3 = Interposer with Columns
    PITCH
    CodePitch
    1 = 1.0mm  
    2 = 1.27mm
    4 = 0.4mm  
    5 = 0.5mm  
    6 = 0.65mm
    8 = 0.8mm  
    9 = Special 
    0 = Hardware 









    Array Matrix
    CodeMatrix
    19 = 19x19
    22 = 22x22
    24 = 24x24
    25 = 25x25
    26 = 26x26
    27 = 27x27
    30 = 30x30
    34 = 34x34
    35 = 35x35
    36 = 36x36
    39 = 39x39
    40 = 40x40
    42 = 42x42
    43 = 43x43
    44 = 44x44
    99 = 100x100
    Column & Pad
    CodeØ Column Diameter
    1 = Ø6 mil •   Ø0.15mm
    2 = Ø8 mil •   Ø0.20mm
    3 = Ø10 mil • Ø0.25mm
    4 = Ø12 mil • Ø0.30mm
    5 = Ø15 mil • Ø0.35mm
    6 = Ø16 mil • Ø0.40mm
    7 = Ø18 mil • Ø0.45mm
    8 = Ø20 mil • Ø0.50mm
    Version
    CodeØ Rev
    0 = Rev A
    1 = Rev B
     
     
     
     
    ECCN: EAR99 Export Administration Regulations (EAR)
    HS Code: 8542.90.0000 ELECTRONIC INTEGRATED CIRCUITS AND MICROASSEMBLY PARTS
    HS Code: 8311.30.3000 LEAD-TIN SOLDERS
    ITAR: Micro-coil springs and dummy daisy chain CCGA are not restricted.
     
     
     
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    TopLine Corporation
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