• VT-462S Laminate/Prepreg

    UL Approval: E214381 Version: 7 09/11/2021 /91/102

    General Information

    • Very Low Dk & Very Low Loss
    • Excellent Thermal Reliability
    • Lead Free Process Compatible
    • High Tg
    • Ease of Manufacturing

     

     

    Application

    • High speed Networking Equipment
    • IC Tester
    • High Frequency Measuring Instruments and Devices

    Availability

    • Core Thickness: 0.002” (0.05mm) to 0.200” (5mm), available in sheet or panel form
    • Copper Foil: 1/3oz to 3oz
    • Prepregs are available in roll or panel form
    • E-Glass styles: 2116, 2113, 1078, 106, etc
    • Ability of Processing Copper Type: HTE, RTF, VLP & HVLP

     

    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 /91 /102

    Properties Test Method Units Specification Typical Value
    Thermal Properties
    Tg DMA IPC-TM-650 2.4.24.4 °C 170 minimum 210
    TMA IPC-TM-650 2.4.24 °C 170 minimum 170
    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 48
    After Tg IPC-TM-650 2.4.24 ppm/°C 300 maximum 260
    Total Expansion (50~260°C) IPC-TM-650 2.4.24 % 3.5 maximum 2.8
    X-Y CTE IPC-TM-650 2.4.24 ppm/°C - 11~13
    MOT UL 94 °C - 130
    Electrical Properties
    DK (RC 50%) @ 1GHz IPC-TM-650 2.5.5.9 - - 3.6
    @ 10GHz IPC-TM-650 2.5.5.13 - - 3.5
    DF (RC 50%) @ 1GHz IPC-TM-650 2.5.5.9 - - 0.003
    @ 10GHz IPC-TM-650 2.5.5.13 - - 0.005
    Volume Resistivity After Moisture Resistance IPC-TM-650 2.5.17.1 MΩ-cm 1.0E+4 minimum 5.0E+8
    E-24/125 IPC-TM-650 2.5.17.1 MΩ-cm 1.0E+3 minimum 5.0E+6
    Surface Resistivity After Moisture Resistance IPC-TM-650 2.5.17.1 MΩ 1.0E+4 minimum 5.0E+7
    E-24/125 IPC-TM-650 2.5.17.1 MΩ 1.0E+3 minimum 5.0E+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 ASTM D495 Second 60 minimum 124
    Mechanical Properties
    Peel Strength (1oz) As received IPC-TM-650 2.4.8 lb/in (N/mm) - 6.0 (1.05)
    After thermal stress IPC-TM-650 2.4.8 lb/in (N/mm) 4.0 (0.70) minimum 6.0 (1.05)
    Flexural Strength Warp IPC-TM-650 2.4.4 KPsi (MPa) 60 (415) minimum 80 (560)
    Fill IPC-TM-650 2.4.4 KPsi (MPa) 50 (345) minimum 65 (450)
    Physical Properties
    Moisture Absorption IPC-TM-650 2.6.2.1 % 0.80 maximum 0.10
    Flammability UL-94 Rating V-1 minimum V-0

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

    Published on: 09/11/2021

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