Kappa 438 Laminates

Specifically formulated to have FR-4 matched dielectric constant (Dk),
design transition to Kappa 438 laminates will be effortless. These
laminates also exhibit low loss, tight Dk and thickness tolerances
needed to meet the growing performance needs of the wireless
market traditionally served by higher end FR-4 materials. Demand for
wireless data is growing exponentially, driving a need for substantially
higher levels of mobile network capacity and performance. FR-4 was
historically a material choice for many less demanding RF applications,
but changes in the wireless infrastructure related to growing
performance requirements, especially in small cells and carrier-grade
Wi-Fi, has resulted in instances where the properties of FR-4 are
lacking, and RF performance and consistency is compromised.

Wireless circuit designers can now realize a true breakthrough with
Kappa 438 laminates because they feature the performance of mid-tier
circuit materials that extend beyond performance limitations of FR-4,
and provide the optimum blend of price, performance, and reliability.
Kappa 438 laminates can be fabricated using standard epoxy/glass
(FR-4) processes and are compatible with conventional bondplies.
These laminates utilize RoHS compliant flame-retardant technology
to achieve a UL 94 V-0 flame retardant rating and are lead-free solder
process compatible. These materials conform to the requirements of
IPC-4103A, slash sheet /250.

Kappa 438 Laminates Material

  • Glass Reinforced Hydrocarbon
    Thermoset Platform • Ease of PCB manufacturing and
    assembly in line with FR-4
    Dk Tailored to FR-4 Industry Standard
  •  4.38 Dk for ease of transition
    when upgraded electrical
    performance is needed over FR-4
    Tighter Dk and Thickness Tolerance
    than FR-4
  • Consistent circuit performance
    Low Z Axis CTE and High Tg
  • Improved design flexibility, PTH
  • Automated assembly compatible
    Flame Retardant Laminate • UL 94 V-0

Kappa 438 Laminates applications

• Carrier Grade WiFi/Licensed
Assisted Access (LAA)
• Small Cell and Distributed
Antenna Systems (DAS)
• Vehicle to Vehicle/Vehicle to
Infrastructure Communications
• Internet of Things (IoT)
Segments: Smart Home and
Wireless Meters

Kappa 438 Laminates datasheet

Kappa 438 Laminates standard thickness

0.010” (0.254 mm) +/- 0.001”
0.020” (0.508 mm) +/- 0.0015”
0.030” (0.762 mm) +/- 0.002”
0.040” (1.016 mm) +/- 0.003”
0.060” (1.524 mm) +/- 0.004”
*Additional non-standard thicknesses of 0.090” and 0.120” available

Kappa 438 Laminates standard size

24” X 18” (610 X 457 mm)
24.25” X 18.25” (616 X 464 mm)
48” X 36” (1219 X 915 mm)
48.25” X 36.25” (1226 X 921 mm)
*Additional panel sizes available

Kappa 438 Laminates standard Copper clad

Electrodeposited Copper Foil
½ oz. (18µm) HH/HH
1 oz. (35µm) H1/H1

Kappa 438 Laminates price

Kappa 438 Laminates price is very high, from 100 to 600 USD/sheet,

The price depend on the rogers  3035 substrate thickness,copper thickness,
Kappa 438 Laminates substrate size etc.

Andwin use Kappa 438 Laminates to make mass PCB production,
Many types Kappa 438 Laminates are in stock,also, have good offer from Rogers factory.
If you need Kappa 438 Laminates or raw material,
Please contact us to get the supper good Kappa 438 Laminates price.


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