• VT-3703 / VT- 3706 Laminate

    UL Approval: E214381 Version: B1 18/03/2020 /6/7
    • Ceramic Filled PTFE Composites
    • Low CTE for x, y and z axis
    • Low Dk (3.0) and high Dk (6.15) for options with extremely low Df
    • Tight Dk and thickness tolerance control

    Application

    • 77~79GHz Automotive Radar
    • Power Amplifiers and Antennas for Wireless Communication
    • Satellite Communications

    Storage Condition & Shelf Life

    Shelf life

    Laminate
    Storage Condition Temperature Room
    Relative Humidity /

    Laminate Properties

    Properties Sheet

    Properties Test Method Units VT-3703 VT-3706
    Dielectric Constant @10Ghz IPC-TM-650 2.5.5.5 Clamped Stripline - 3.0±0.04 6.15±0.05
    Design Dk Differential Phase Method 8~40GHz - 3.00 6.50
    Dissipation Factor @10GHz IPC-TM-650 2.5.5.5 - 0.0009 0.0019
    Thermal Coefficient of Dk IPC-TM-650 2.5.5.5 -50~150°C - -3 -260
    Volume Resistivity IPC-TM-650 2.4.24 MΩ-cm 8.0E+07 7.00E+05
    Suface Resistivity IPC-TM-650 2.4.24 MΩ 5.0E+07 4.00E+05
    Td ASTM D3850 °C 520 520
    Thermal Conductivity ASTM D3850 W/mK 0.51 0.80
    x, y-axis CTE IPC-TM-650 2.4.24.5 ppm/°C 16/17 17/17
    z-axis CTE IPC-TM-650 2.4.24 ppm/°C 25 24
    Specific Heat Calculated J/g/K 0.9 0.86
    Peel Strength (1oz) After thermal stress IPC-TM-650 2.4.8 lb/in (N/mm) 13.0 (2.28) 8.0 (1.40)
    Tensile Modulus ASTM D638 Mpa 908 / 805 1500 / 1295
    Density ASTM D792 gm/m(3) 2.1 2.6
    Moisture Absorption IPC-TM-650 2.6.2.1 % 0.04 0.02
    Flammability UL-94 Rating V-0 V-0
    Lead free process compatible - - YES YES
    IPC4103 - - /06 /07

    All test data provided are typical and not intended to be specification values.

    Availability

    Laminate

    Laminate VT-3703 VT-3706
    Dielectric thickness (inches/mil) 0.005” (0.127mm) 0.005” (0.127mm)
    0.010” (0.254mm) 0.010” (0.254mm)
    0.020” (0.508mm) 0.025” (0.625mm)
    0.030” (0.762mm) 0.050” (1.270mm)
    0.060” (1.524mm)
    Available Copper Type HTE, RTF HTE, RTF
    Copper thickness Hoz, 1oz and 2oz Hoz, 1oz and 2oz
    Panel Size 18”*12” (457*305mm) 18”*12” (457*305mm)
    18”*24” (457*610mm) 18”*24” (457*610mm)

    VT-3703-TcDk-garaph.jpg VT-3703 normalized DKvsFrequency Graph.jpg
    Download TDS Datasheet