• VT-6735 Laminate

    UL Approval: E214381 Version: Prelim 1 23/06/2023
    • High thermal conductivity (Over 1 W/mK)
    • Low loss (Df 0.0015)
    • Good and stable peel strength with both shiny side and reverse treated copper foil.


    • High Power RF and Microwave Amplifiers
    • Power Amplifiers
    • Couplers, Filters
    • Power Dividers

    Storage Condition

    Storage Condition Temperature Room
    Relative Humidity /

    Laminate Properties

    Properties Sheet

    Properties Test Method Units VT-6735
    Dielectric Constant @10Ghz IPC-TM-650 Clamped Stripline - 3.50±0.05
    Design Dk Differential Phase Method 8~40GHz - 3.6
    Dissipation Factor @10GHz IPC-TM-650 - 0.0015
    Thermal Coefficient of Dk IPC-TM-650 -50~150°C - -65
    Volume Resistivity IPC-TM-650 2.4.24 MΩ-cm 8.00E+07
    Suface Resistivity IPC-TM-650 2.4.24 9.00E+07
    Td ASTM D3850 °C 520
    Thermal Conductivity ASTM D5470 W/mK 1.15
    x, y-axis CTE IPC-TM-650 ppm/°C 21/21
    z-axis CTE IPC-TM-650 2.4.24 ppm/°C 40
    Specific Heat Calculated J/g/K 0.92
    Peel Strength (1oz) After thermal stress IPC-TM-650 2.4.8 lb/in (N/mm) 8.0 (1.40)
    Tensile Modulus ASTM D638 Mpa 280/ 350
    Density ASTM D792 gm/m(3) 2.2
    Moisture Absorption IPC-TM-650 % 0.06
    Flammability UL-94 Rating V-0
    Lead free process compatible - - YES

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

    Disclaimer: The information and data contained in this technical literature is based on data and knowledge correct at the time of publishing/printing and is believed to be accurate and is offered in good faith for the benefit of the user. The user should make his own tests to verify the suitability of this product for any application before its use. All data are typical values only and subject to change without notice.



    Laminate VT-6735
    Standard Thickness (inches/mil) 0.010” (0.254mm)
    0.020” (0.508mm)
    0.030” (0.762mm)
    0.060” (1.524mm)
    Standard Panel Size 12”*18” (305*457mm)
    24”*18” (610*457mm)

    Download TDS Datasheet