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  • material: CEM-3
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    UL Compliant

    Product Image

    Kingboard Holdings Limited - KB-7150T

    • Td: 323 ˚C
    • Tg: 136 ˚C
    • Arc resistance: 125 sec
    • Dielectric breakdown: 4.6
    • Flamibility: V-0
    • Flexural strength: 450 N/mm
    • Material: CEM-3, FR-4
    more info
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    Nan Ya Plastics Corp - CEM-3-01PY

    • Type: Halogen-free
    • Td: 310 ˚C
    • Tg: 105 ± 5 ˚C
    • UL: yes
    • Halogen Free: yes
    • Dielectric breakdown: 40 kV
    • Flamibility: V-0
    more info
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    Nan Ya Plastics Corp - UV BLOCK FR-4-86

    • Type: Copper-clad
    • Td: 310 ˚C
    • Tg: 135 ± 5 ˚C
    • UL: yes
    • Dielectric breakdown: 40 kV
    • Flamibility: V-0
    • Flexural strength: 480, 550 N/mm2
    more info
    Product Image

    Kingboard Holdings Limited - KB-7150

    • Type: Copper-clad
    • Dk: 5.4
    • Flamibility: UL94 Rating
    • Material: CEM-3
    • Moisture absorbtion: 0.005
    • Peel strength: 1.75 N/mm (lb/inch)
    • Surface resistivity: 1.0 x 10^4 Mohm
    more info
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    Nan Ya Plastics Corp - CEM-3-92 /UV BLOCK CEM-3-92

    • Type: Copper-clad
    • Td: 310 ˚C
    • Tg: 130 ± 5 ˚C
    • UL: yes
    • Dielectric breakdown: 40 kV
    • Flamibility: V-0
    • Flexural strength: 300, 400 N/mm2
    more info
    Product Image

    Kingboard Holdings Limited - KB-7150 C

    • Type: Copper-clad
    • Dk: 5.4
    • Flamibility: UL94 Rating
    • Material: CEM-3
    • Moisture absorbtion: 0.005
    • Peel strength: 1.75 N/mm (lb/inch)
    • Surface resistivity: 1.0 x 10^4 Mohm
    more info
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    Nan Ya Plastics Corp - CEM-3-01HC

    • Type: Copper-clad
    • Td: 310 ˚C
    • Tg: 110 ± 5 ˚C
    • UL: yes
    • Halogen Free: yes
    • Dielectric breakdown: 40 kV
    • Flamibility: 94V0
    more info
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    Nan Ya Plastics Corp - CEM-3-09HT

    • Td: 310 ˚C
    • Tg: 135 ± 5 ˚C
    • UL: yes
    • Dielectric breakdown: 40 kV
    • Flamibility: V-0
    • Flexural strength: 300, 400 N/mm2
    • Material: CEM-3
    more info
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    Nan Ya Plastics Corp - CEM-3-98

    • Type: Copper-clad
    • Td: 310 ˚C
    • Tg: 130 ± 5 ˚C
    • UL: yes
    • Dielectric breakdown: 40 kV
    • Flamibility: V-0
    • Flexural strength: 300, 400 N/mm2
    more info
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    Panasonic Corporation - R-1785

    • Dk: 4.5
    • Df: 0.019
    • Tg: 150 ˚C
    • Frequency: 0 to 0.1 GHz
    • Cte xy: 19 (15), 21 (17) ppm/˚C
    • Cte z: 50 ppm/˚C
    • Material: CEM-3
    more info

    How to Build Your PCB Stackup

    Many PCBs will not function properly without the right dielectric materials as these influence EMI, signal integrity, and power integrity. The other dimension to consider on many mass-produced products is cost, as material selection will be a major factor determining volume production expense. To start building your own PCB stackup, follow these steps:

    • Prioritize your specifications - All PCB laminate materials come with tradeoffs, requiring a balance among cost, dielectric properties, and thermal reliability. Start by determining the important specifications before selecting material sets and planning your PCB layer assignments.

    • Review materials datasheets - Once base materials are selected, review the material datasheets, consult a PCB design services firm, or consult a PCB manufacturer for more information on use cases and laminate thickessness for you selected material set.

    • Check with your fabricator - Before finalizing your stackup design, have the design reviewed by a competent fabrication house. Hyrid PCB stackups builds, HDI PCB materials, thin PTFE laminates, and metal-core or ceramics all require special processing during fabrication to ensure reliability.

    The typical stackup arrangement shown below illustrates the stackup design approach and layer assigments in many commercial products. In between each of the signal/plane layer groups, additional signal layers may be present as needed, often being used to route important high-speed signals or large copper pours for power routing.

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