Tuesday, October 17th

FR4 material consists of a thin layer of copper foil laminated to one or both sides. By contrast, multi-layer PCBs consist of multiple layers of PCB material which are laminated together.

At Bay Area Circuits, to offer many different types of PCB materials for PCB manufacture, from standard FR4 material to Flex, High Copper Weight, Hybrid Capable, Low/High Temp and Polyimide materials, we work with a variety of material suppliers including Arlon, Isola, Iteq, Nelco, Rogers, Taconic, Tuc & Ventec.

Our Material Library provides links to data sheets for many of the more popular PCB materials we offer; RF, Polyimide and FR4 material.  This is by no means an all-inclusive list of materials we offer so please contact us for information on other available material suppliers and types.

Your application should influence your choice of PCB material (e.g. printed circuit board assemblies). If you need assistance selecting the right material – whether it’s standard FR4 material or something unique – contact our customer service team and we’ll be glad to assist!

Type Manufacturer Product TG TD DK DF IPC 4101C
Lead-Free Process Halogen-Free Key Attributes / Description Process Application UL Approved
FR4 Kingboard KB-6160A 135 305 4.5 0.022 21 No No Excellent UVB to Prevent Light Transfer During Imaging/ Mechanical and Heat Resistance Properties/ AOI and UVB Compatible Standard No
FR4 Ventec VT-42 140 310 4.3 0.015 N/A No No Standard FR-4 / UV Blocking Standard No
FR4 Ventec VT-441 150 385 4.4 0.014 127 / 128 Yes Yes Phenolic Cured / Mid- TG FR4.1 / UV Blocking / CAF Resistance / Low Z-CTE / Excellent Thermal Reliability Standard No
FR4 Ventec VT-481 155 345 4.3 0.015 97 / 98 / 99 / 101 Yes No Mid TG FR4 / Phenolic Cure / Excellent Thermal Reliability / Low Z- CTE/ CAF Resisitance / UV Blocking Standard Yes
FR4 Ventec VT-464(D) 160 400 3.0-3.6 0.004-0.008 127 / 128 Yes Yes Mid Tg / Low DK & Low Loss / Excellent Thermal Reliablilty / Ease to Manufacture Standard No
FR4 Kingboard KB-6167F 175 350 4.5 0.017 126 Yes No Low Water Absorbability/High Thermal Resistance and Long-term Thermal Reliability/ Excellent Thermal Reliability/ Excellent Thermal Shock Reliablitiy/ Dimensionally Stable Standard No
FR4 Ventec VT-47 180 355 4.27 0.016 97 / 98 / 99 / 101 / 126 Yes No High TG FR4 / Phenolic Cured / Excellent Thermal Reliability / CAF Resistance / UV Blocking / Low Z-CTE Standard Yes
FR4 Ventec VT-447 180 380 4.35 0.013 127 / 128 / 130 Yes Yes High TG / Black, Light Blocking / Low Z-CTE / UV Blocking Standard No
FR4 Isola 370HR 180 340 3.92-4.24 0.0150-0.0250 98 / 99 / 101 / 126 Yes No High Thermal Reliability / High Density Interconnect / High Performance Laminate and Prepreg / CAF Resistant / FR-4 Process Compatible / UV Blocking and AOI Fluorescence Standard Yes
FR4 Isola FR408 180 360 3.67 0.012 24 / 121 / 124 Yes No High Thermal Performance / RoHS Compliant / UV Blocking and AOI Fluorescence / Superior Processing / Improves Signal Integrity Standard No
FR4 Isola FR408HR 190 360 3.68 0.0092 21 / 24 / 121 / 124 / 129 Yes No High Thermal Performance / Low CTE for Reliability /RoHS Compliant / UV Blocking / AOI Fluorescence Standard No
FR4 Nelco 4000-13 EP SI 210 350 3.3 – 3.7 0.007 – 0.008 N/A Yes No Excellent Thickness Control for Tight Tolerance Impedance Applications/ Low Z-CTE/ Improved and Excellent CAF Resistance/ SI Glass Available/ RoHS Compliant Standard No
Polyimide Ventec VT-901 250 390 4.05 0.013 40 / 41 / 42 Yes No High TG / Improved Fracture Toughness / Low Z-axis CTE / Bromine-Free Temperature Cycling No
Polyimide Ventec VT-90H 250 390 4.05 0.013 40 / 41 / 42 Yes No High TG / Improved Fracture Toughness / Low Z-axis CTE / Bromine-Free Temperature Cycling No
Polyimide Arlon Arlon 85N 250 407 4.2 0.01 40 / 41 Yes Yes High Thermal Reliability / Bromide-Free / Superior PTH Reliability / Low Z-axis expansion / RoHS/WEEE Compliant Temperature Cycling No
Polyimide Isola P95/P25 260 416 3.76 0.0179 40 / 41 / 42 Yes No High Thermal Reliability / RoHS Compliant Temperature Cycling No
Polyimide Isola P96/P26 260 396 3.76 0.017 40 / 41 / 42 Yes No High Thermal Reliability / RoHs Compliant Temperature Cycling No
RF Rogers RO4350B 280 425 3.48 0.0037 11 Yes No CAF Resistance / Excellent High-Frequency Performance / Low Z-Axis Expansion / Excellent Dimensional Stability RF No
RF Rogers RO4003C 280 390 3.38 0.0027 10 Yes No High Reliability / High CAF Resistance / Glass-Reinforced Hydrocarbon and Ceramic Dielectric / Excellent High-Frequency Performance /Low Z-Axis Expansion / Excellent Dimensional Stability RF No
RF Rogers RT/duroid 5870/5880 N/A 500 2.33 0.0012 05 Yes No Lowest Electrical Loss for Reinforced PTFE Material / Low Moisture Absorption / Isotropic / Uniform Electrical Properties over Frequency / Excellent Chemical Resistance RF/Microwave No
RF Rogers RO3003 N/A 500 3 0.0013 16 Yes No Excellent Mechanical Properties / Ideal for Multi-Layer Boards / Low In-Plane Expansion Coefficient / Excellent Dimensional Stability RF/Microwave No
RF Taconic TLY-5 N/A N/A 2.20 0.0009 N/A Yes No Low Z- Axis CTE/ Plated Through Hole Stability/ Low Density (1.92 g/cm3)/ Attractive Price Performance Ratio/ Excellent Peel Strength/ Compatible with Flat Copper RF/Microwave No

*The information above is provided for convenience and in some cases, typical values are displayed. Please consult the manufacturer data sheet for complete and accurate information.

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