• VT-870 Laminate / VT-870PP Prepreg

    UL Approval: E214381 Version: B1.0 19/10/2018
    • High Tg Ceramic Filled Hydrocarbon Laminate & Prepreg
    • Low Dk (3.0-3.48) and Low Df (0.002-0.0037)
    • Excellent Thermal Reliability
    • Excellent peel strength

    Application

    • Cellular Base Station Antenna
    • Power Amplifiers
    • WiMax antenna networks
    • Automotive Radar
    • LNB (Low Noise Block) for Broadcast Satellites
    • RF Identification Tags (RFID)

    Storage Condition & Shelf Life

    Shelf life

    Prepreg Laminate
    Storage Condition Temperature ≤5℃ Room
    Relative Humidity / /
    Shelf Life 6 Months 24 Months

    Note: The prepreg exceeding shelf life should be retested

    Laminate Properties

    Properties Sheet

    Properties Test Method Units VT-870 L300 VT-870 L330 VT-870 L330 VT-870 H348
    Dielectric Constant @10Ghz IPC-TM-650 2.5.5.5 Clamped Stripline - 3.0±0.05 3.3±0.05 3.4±0.05 3.48±0.05
    Design Dk (1.7-5GHz) Differential Phase Length Method - 2.98 3.45 3.55 3.66
    Dissipation Factor @2.5GHz IPC-TM-650 2.5.5.13 - 0.0023 0.002 0.0022 0.0032
    @10GHz Cavity resonator - 0.0027 0.0025 0.0027 0.0037
    PIM*1 43dBM, 1900MHz dBc -165 -160 -160 -160
    Tg IPC-TM-650 2.4.24 °C 280 280 280 280
    Td ASTM D3850 °C 418 402 406 410
    Z-CTE (50-250°C) IPC-TM-650 2.4.24 ppm/°C 30 35 33 31
    Thermal Conductivity ASTM D5470 W/mK 0.75 0.72 0.70 0.69
    Peel Strength (1oz) IPC-TM-650 2.4.8 lb/in 5.0 6.0 6.0 6.0
    Flammability UL-94 Rating V0 V0 V0 V0
    IPC - - /230 /10 /240 /11 /240 /10 /240

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

    Availability

    Laminate

    Material VT-870 L300 VT-870 L330 VT-870 L340 VT-870 H348
    Dk 3.0 3.3 3.4 3.48
    Dielectric thickness (mil) 20, 30, 40, 60 30, 40, 60 32, 40, 62 3.3, 4.0*, 6.6, 10, 16.6, 20, 30, 40, 60
    Copper thickness Hoz, 1oz Hoz, 1oz Hoz, 1oz Hoz, 1oz, 2oz
    Prepreg Type VT-870PP L300-5mil No No VT-870PP H348-4mil

    * Please note Dk of 4mil VT-870 H348 is 3.33 and Df is 0.0035@10GHz. Other thickness data refers to property sheet.

    Prepreg

    Glass style Pressed thickness Dielectric Constant @ 10GHz (IPC-TM-650 2.5.5.5 Clamped stripline) Dissipation Factor @ 10GHz (Cavity Resonator)
    VT-870PP L300 .005" (125um) 3.00±0.05 0.0027
    VT-870PP H348 .004" (100um) 3.33±0.05 0.0035

    The VT-870PP is compatible in multi-layer constructions with VT-870 laminate.

    180419Signal Integrity Insertion Loss PicOnline.jpg 180419Signal Integrity PIM pic WEB.jpg
    Download TDS Datasheet