SIEPEL Absorber
High Power Absorber AHP

MAIN CHARACTERISTICS

  • Matrix: phenolic-based honeycomb
  • Impregnating agents: carbon solution, binder
  • Colours: black (unpainted)
  • Maximum service temperatures: – 65°C to +200°C
  • Maximum power handling: 20 kW/m², can be increased with forced ventilation
  • Installation method: can be glued on any flat and clean surface

SIEPEL Absorber High Power Absorber AHP

AHP absorbers are designed to line specific areas subject to high power densities (up to 20 kW/m² CW and above), in applications such as Telecom / Wireless, Satellite, Automotive, Military, etc…

Thanks to their specific open structure, they can withstand high temperatures resulting from generation of high fields strengths. AHP absorbers are typically used to line “hot spots” in anechoic chambers, where energy will be highly concentrated.

REFLECTIVITY PERFORMANCES

 Type  Total height  Pyramids height  Base 

height 

Footprint  Pyramids /  Weight 
mm  in  mm  in  mm  in  mm  in  absorber  kg  Lb 
AHP 9  89 3,50 69 2,72 20 0,79 610 x 610 ±3 24 x 24 ±0,12 16 x 16 1 2,20
AHP 12  115 4,53 90 3,54 25 0,98 610 x 610 ±3 24 x 24 ±0,12 16 x 16 1.3 2,87
AHP 20  210 8,27 180 7,08 30 1,18 610 x 610 ±3 24 x 24 ±0,12 9 x 9 2.2 4,85
AHP 30  290 11,42 260 10,23 30 1,18 610 x 610 ±3 24 x 24 ±0,12 6 x 6 3.2 7,05
AHP 45  439 17,28 397 15,63 42 1,65 610 x 610 +5/-1 24 x 24 +0,2/-0,04 4 x 4 4.2 9,26
AHP 60  600 23,62 555 21,85 45 1,77 610 x 610 ±3 24 x 24 ±0,12 2 x 2 4,4 8,82
AHP 90  900 35,43 855 33,66 45 1,77 610 x 610 ±3 24 x 24 ±0,12 2 x 2 6,2 13,22

AHP absorbers are manufactured from honeycomb matrix, made from phenolic-based material. These whole blocks are entirely coated with carbon-based solution, creating their electromagnetic waves absorption properties, while their hollow open structure ensures a passive airflow cooling. For highly demanding applications, with power densities exceeding 20 kW/m² CW, forced air can be drawn through the AHP absorbers to extend their power withstanding capabilities.

 

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