3620 series - Double layer ferrite absorber tiles

Ferrite absorber tile is the industry standard solution and exhibits in excellent overall performance versus cost.

Introduction

Our 3600 series Ferrite absorber tile is the industry standard solution and exhibits in excellent overall performance versus cost. It’s an attractive alternative to traditional large, foam-type absorber materials for new
anechoic chambers or for upgraded older rooms for radiated emission and immunity measurements.These tiles are a relatively new development and are used when a relatively high absorption, and a compact solution is required (-15 to -25 dB @ <100MHz) (approximately 4 to 6 mm vs 2400mm for foam absorbers). They also provide a reliable and compact solution for attenuating plane wave reflections in shielded anclosures.

3620 series Double layer ferrite absorber tiles
3620 series Double layer ferrite absorber tiles

3620 Double layer ferrite absorber tile

3620 Double Layer Ferrite Absorber Tile is a
special design for small EMC Anechoic Chamber to get excellent electromagnetic absorption performance in 30MHz to 2GHz.

The 3620 Double Layer Ferrite Absorber Tile consists of a 21mm gap between two pieces 100 x 100 x 3mm sintered ferrite tile (stacked on each other 27 mm total thickness), which can be glued on the wall easily.

Due to this special double layer design, it provides more wide frequency range than one-piece ferrite tile design, even in a small size anechoic chamber or a dark box for mobile phone inspection.


Features

  • Absorption of lower electromagnetic waves
  • An electromagnetic absorbing material
  • Suitable for 30MHz till 2GHz (See attenuation graph)
  • Easy and quick to assemble
  • No physical degradation through years
  • Good performance for a small size chamber
  • Good performance at low frequency

Applications

  • Dark box for mobile phone inspection
  • Prevent radio communication disturbance
  • Prevent TV ghost
  • Prevent UHF RFID readers interference
  • EMC Anechoic chambers

Part numbers and dimensions

Part number A (mm) B (mm) C (mm) D (mm)
3620-270 100 (±0.15) 100 (±0.15) 3.0(±0.15) 21 (±0.2)
3620 Double layer ferrite absorber tile technical drawing
3620 Double layer ferrite absorber tile technical drawing

Performance characteristics

(Normal incedence reflection loss)
Reflective attenuation - Frequency

3620 Double layer ferrite absorber tile performance characteristics
3620 Double layer ferrite absorber tile performance characteristics

Characteristics

  • Standard wieght : 410 Gr.
  • Standard dimensions : 100 x 100 x 27 mm
  • Main hazards : No explosion, reactivity
    or health hazard.

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Part number
Type
* Note: The red blocks are required

1200

Knitted mesh

Measurements on location

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