• VT-462(L) Low Dk / Low Loss No & Low Flow Prepreg

    UL Approval: E214381 Version: B1 19/07/2022 /126

    General Information

    • High Tg
    • FR 4.0
    • Low Dk & Low Loss
    • Excellent Thermal Reliability
    • Lead Free Process Compatible
    • Ease of Manufacturing

    Application

    All flex-rigid applications with high BPS data rates, High speed flex-rigid connectors, High frequency & high Speed, satellite communication, navigation, GPS, etc

    Availability

    Type Glass Fabric Resin Content Flow Range Pressed Thickness
    mil mm mil/ply mm/ply
    1067NF 1067 65% 5~50 0.125~1.25 2.2 0.056
    1067LF 1067 68% 60~120 1.5~3.0 2.4 0.060
    1078NF 1078 60% 5~50 0.125~1.25 2.8 0.071
    1080LF 1080 65% 60~120 1.5~3.0 3.3 0.084

    “NF” ---- No Flow PP
    “LF” ---- Low Flow PP
    Below picture shows Flow-in test method:→
    1. Press Temperature ---- 171˚C
    2. 3 plys per pressing
    3. Press Pressure ---- 200psi Built on IPC-TM650, 2.3.17.2

    220701tec speed 4 NFLF yellow pic.bmp

    Press Condition

    220701tec-speed 4 graph pic.jpg

    1 Temp Ramp Rate ≥ 3.0ºC/min
    2 Curing Time ≥ 185ºC/~100min
    3 Max. Material Temperature 200~205ºC
    4 Full Pressure ≥ 28 kg (400 PSI)
    5 Full Pressure Temperature ≤ 80ºC

    Properties Sheet IPC-4101E /126

    Test Item Test Method Unit Specification
    Tg TMA IPC-TM-650 2.4.24 ℃ 175
    Td (5% Wt. Loss) ASTM D3850 ℃ 360
    Peel Strength (1oz) IPC-TM-650 2.4.8 Lb/in 6
    T288 IPC-TM-650 2.4.24.1 Minute >30
    Z-axis CTE Before Tg IPC-TM-650 2.4.24 ppm/℃ 50
    After Tg 220
    Total Expansion (50~260℃) 2.50
    Dk (RC50%) @10Ghz Cavity Resonator - 3.8
    Df (RC50%) @10Ghz Cavity Resonator - 0.007

    All test data provided are typical values 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.

    Download TDS Datasheet