• VT-464G Laminate/Prepreg

    UL Approval: E214381 Version: Preliminary 1 12/07/2022 /130

    General Information

    • Halogen Free & High Tg
    • Very Low Dk & Very Low Loss
    • Excellent Thermal Reliability

    Application

    Servers, Storage, Switches, Routers, High Performance Computing, High Speed Network Equipment, etc.

    Availability

    • Core Thickness: 0.002” (0.05mm) to 0.030” (0.762mm), available in sheet or panel form
    • Copper Foil: 1/3oz to 2oz
    • Prepregs are available in roll or panel form
    • E-Glass styles: 3313, 2116, 1078, 1067, 106, etc
    Properties Prepreg Laminate
    Storage Condition Temperature Below 23°C (73°F) Below 5°C (41°F) Room
    Relative humidity Below 55% RH / /
    Shelf Life 3 months 6 months 24 months (airproof)

    The prepreg exceeding shelf life should be retested.

    Properties Sheet IPC-4101E /130

    Properties Test Method Units Specification Typical Value
    Thermal Properties
    Tg TMA IPC-TM-650 2.4.24 °C 170 minimum 175
    Td ASTM D3850 °C 340 minimum 400
    T260 IPC-TM-650 2.4.24.1 Minute 30 minimum >60
    T288 IPC-TM-650 2.4.24.1 Minute 15 minimum >30
    Thermal Stress @ 288°C IPC-TM-650 2.4.13.1 Second Pass 10s >600
    Z-axis CTE Before Tg IPC-TM-650 2.4.24 ppm/°C 60 maximum 35
    After Tg IPC-TM-650 2.4.24 ppm/°C 300 maximum 200
    Total Expansion (50~260°C) IPC-TM-650 2.4.24 % 3.5 maximum 2.1
    Electrical Properties
    DK (RC50%/70%) @ 1GHz IPC-TM-650 2.5.5.9 - 5.2 maximum 3.81
    @ 10GHz Cavity Resonator - - 3.62
    DF (RC50%/70%) @ 1GHz IPC-TM-650 2.5.5.9 - 0.035 maximum 0.0031
    @ 10GHz Cavity Resonator - - 0.0050
    Volume Resistivity After Moisture Resistance IPC-TM-650 2.5.17.1 MΩ-cm 1.0E+4 minimum 6.0E+8
    E-24/125 IPC-TM-650 2.5.17.1 MΩ-cm 1.0E+3 minimum 6.0E+6
    Surface Resistivity After Moisture Resistance IPC-TM-650 2.4.17.1 MΩ 1.0E+4 minimum 6.0E+7
    E-24/125 IPC-TM-650 2.4.17.1 MΩ 10E+3 minimum 6.0E+6
    Electrical Strength IPC-TM-650 2.5.6.2 Volt/mil (KV/mm) 762 (30) minimum 1372 (54)
    Dielectric Breakdown IPC-TM-650 2.5.6 KV 40 minimum 60
    Comparative Tracking Index (CTI) ASTM D3638 Rating (Volt) - Grade 3 (175~250)
    Arc Resistance IPC-TM-650 2.5.1 Second 60 minimum 124
    Mechanical Properties
    Peel Strength (1oz) As received IPC-TM-650 2.4.8 lb/in (N/mm) - 5.0 (0.88)
    After thermal stress IPC-TM-650 2.4.8 lb/in (N/mm) 6 (1.05) minimum 5.0 (0.88)
    Flexural Modulus Warp IPC-TM-650 2.4.24.4 GPa 60 (415) minimum 80 (560)
    Fill IPC-TM-650 2.4.24.4 GPa 50 (345) minimum 65 (450)
    Physical Properties
    Moisture Absorption IPC-TM-650 2.6.2.1 % 0.80 maximum 0.08
    Flammability UL-94 Rating V-0 minimum V-0

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

    Published on: 12/07/2022

    Download TDS Datasheet