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RO4730G3 Image

The RO4730G3 laminates from Rogers Corporation are antenna-grade laminates, fully compatible with conventional FR-4 and high temperature lead-free solder processing. This is an affordable alternative to conventional PTFE-based antenna materials it allows, designers to optimize cost and performance.

These laminates have a dielectric constant (Dk) of 3.0 and a loss tangent (Df) of 0.0022 measured at 2.5 GHz. They have low insertion loss and low PIM performance, with values better than -165 dBc.

The resin systems of the dielectric material used in this laminate provides the properties necessary for ideal antenna performance. The coefficients of thermal expansion (CTEs) in both the X and Y directions are similar to that of copper. The good CTE match reduces stresses in the printed circuit board antenna. The typical glass transition temperature of these materials exceeds 280 Degrees C (536 Degrees F), leading to a low Z-axis CTE and excellent plated through hole reliability. These laminates are ideal for base station antennas.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    Rogers Corporation
  • Description
    Laminates for Cellular Base Station Antennas

General Parameters

  • Dk (Dielectric Constant)
    3.00 ± 0.05
  • Df (Dissipation Factor)
    0.0022 to 0.0029
  • Td
    417 Degrees C
  • Tg
    280 Degrees C
  • Industry Application
    Base Station Antennas
  • Thermal Coeffecient
    26 ppm/ Degree C
  • Thermal Conductivity
    0.42 W/mKDegree

Technical Documents