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High frequency absorber sheets

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Series

Specify the width in mm. Max. width: 320 mm.
Specify the length in mm. Max. length: 320 mm.

The material can be used at the same time as a electromagnetic waves absorber and as a thermal conduction material. It is suitable for the medium and low bands (FR1) below 6 GHz (Sub6G) in 5G NR (New Radio) technology because of the high frequency absorbing characteristics.

The 5780-C5G can reduce cavity Resonance Effects caused by high frequency, PCB Edge Radiation, PCB Trace Radiation and Heat-sink Radiation

The product can also be used as a thermal conductive material. Because of it's high thermal conductivity, softness, compressibility and self-adhesiveness it also can be used as a thermal conductive material.

It can be mounted tightly on different surfaces to fill the irregular space between the heat source and the thermal module, so that the high temperature can be effectively transferred from the heat source to the thermal module, thereby achieving the cooling effect.

Features
  • Ultra-thin and extremely flexible
  • Can easily be cut into any shape
  • EMI + thermal shock absorber
  • High thermal conductivity, softness compressibility and self-adhesive
  • Reduce Cavity Resonance effects
  • PCB Reduce edge rays
  • Reduce PCB trace radiation
  • Reduce heat sink radiation

Applications
  • Small Cell
  • Massive MIMO
  • Digital Products
  • Wireless equipments
  • Network switch / Router
  • Mobile Phones / Smart Phones / Phablet
  • Computers (NB / Desktop / Tablet), peripherals
Characteristics
Property Unit  
Applicable frequency GHz 500 MHz - 6 GHz
Operating temperature °C -40 ~ +180
Thickness mm 1.0 / 1.5 / 2.0 / 2.5 / 3.0
Max. Dimension mm 320 x 320
Permeability (μ’) - 4.3 (@100 MHz)
Thermal conductivity W/m-K 2.0
Volume Resistivity Ohm-cm 1012
Density g/cm3 4.4
Hardness Shore 00 40
RoHS 2.0 Compliance - 2011/65/EU
Hologen-Free - Yes
Return loss
High frequency absorber sheets return loss

Filter Effect Test
High frequency absorber sheets filter effect test
 
High frequency absorber sheets filter effect test
Permeability ( μ = μ’ – j μ’’ )
High frequency absorber sheets permability
Permittivity ( ε = ε’ - jε’’ )
High frequency absorber sheets permability
Pressure - Deflection
High frequency absorber sheets Pressure - Deflection
Pressure - Thermal Impedance
High frequency absorber sheets Pressure - Thermal Impedance
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