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TDK Microwave Absorber

ICM Absorber Series

TDK RF Solutions

TDK IS Microwave Absorber

TDK manufactures both the ferrite tile and the engineered foam absorber

TDK offers unique advantages over competing products:

TDK absorber is the original polystyrene based material and is impervious to water and humidity.

Carbon and fire retardant properties will not wash out or leach out of the absorber if exposed to water or high humidity.

Our polystyrene absorber does not deteriorate when exposed to the environment.

Competitive absorbers tend to react with environmental moisture and various chemicals over time, which causes degradation of the substrate, and eventual loss of carbon (i.e., carbon falls out of the absorber and performance declines).

TDK absorbers have a proven performance record for 40+ years.

TDK backs the absorber with an extended warranty for both mechanical stability and electrical performance. TDK backs this warranty with nearly forty (40) years of internally and independently verified empirical data.

Polystyrene absorber is dimensionally stable. It will not expand and contract in many varying environments and it will not droop, twist, or sag over time.

Carbon is dispersed more evenly in polystyrene absorber (by nature of the manufacturing process). This means better impedance matching with ferrite tile and more predictable and repeatable performance from very low frequencies to very high frequencies (40GHz+).

TDK manufactures all of its own absorbers, meaning TDK has better control over quality and delivery schedules. To our knowledge, TDK's absorber manufacturing facility is the only ISO 9001 and ISO 14001 certified facility in the world for production of this type of material.

TDK absorber meets NRL Class 1,2,3, UL94HBF, UL94-5VB, and DIN 4102 Class B flammability specifications as well as ASTM standards.

TDK absorber is the only material that is listed by Underwriters Laboratory for EMC and Antenna evaluation test chambers.

ALL TDK Absorber has a 20 Year Warranty

Absorber

IP-Material (TDK)

IS-Material (TDK)

Others

Basic Material

Polystyrene

Polyethylene

Polyurethane

Composition

Closed Cell

Closed Cell

Open Cell

Tensile Stability

4 kg / cm²

4 kg / cm²

2 kg / cm²

Chemical Stability

Solved by organic solvent

Only oxidizing agent can
erode

Attacked by acid, alkaline,
petroleum etc.

Humidity Resistance

No
Deterioration
No
Deterioration
Deteriorated by absorbing water

Product Life

> 20 years

> 20 years

3 - 5 years

Warranty 20 years 20 years 1 year

Space Applications

Excellent

Excellent

Fair

Fire
Retardancy

NRL Class 1,2,3
UL94HBF
DIN4102 Class B

UL Approved UL

NRL Class 1,2,3
UL94HBF

UL Approved UL

NRL Class 1,2,3

Burning Gas H2O
CO2
Aromatic compound gas
H2O
CO2
Aromatic
compound gas
H2O
CO2
HCN
Aliphatic
compound gas

Adhesion Reliability

Epoxy resin
may give the
best adhesion.
Epoxy resin
and synthetic
rubber adhesive
may give the
best adhesion.
Some care may be
needed for thicker one.

 TDK Broadband Polyethylene RF & Microwave Absorber

(200 MHz to 120 GHz)

TDK Logo

RF & Microwave

Pyramidal

Absorber


IS-Series

 

TDK IS Absorber

 

Data 

 

Catalog 

200 MHz to 120 GHz

Up to 120 GHz verified operation

Broadband Polyethylene

700 W/m2power handling

Clean room rated

Closed cell polyethylene construction

Numerically optimized shape & carbon loading

UL Listed

Fire retardant

High tensile strength

Waterproof

SPECIFICATIONS

Absorber

Clean Room

Fire

Max. Power

Humidity

Absorber

Absorber

Absorber

Model

Rating

Retardancy

Density

Resistance

Footprint

Height

Weight

IS-005A

FS 209E

Class 100

 

ISO 14644-1

Class 5

UL94HBF

 

NRL 8093

Test 1, 2 & 3

< 500 V/m,

700 W/m 2

 

Core Temperature

< 100

No deterioration from water.

No hydrolysis effect.

60 cm

x

 60 cm

5 cm

0.8 kg

IS-012A

12 cm

1.3 kg

IS-015A

15 cm

1.8 kg

IS-023A

23 cm

2.0 kg

IS-030A

30 cm

3.0 kg

IS-045

45 cm

4.0 kg

IS-060

60 cm

6.0 kg

IS-075

75 cm

8.0 kg

IS-100

100 cm

10.0 kg


Performance Chart

Performance Chart


TDK High Power Microwave Absorber (1 to 100 GHz)

TDK Logo

ICT HAS BEEN DISCONTINUED

High Power

Microwave

Pyramidal

Absorber


ICT-Series

 

TDK ICT Absorber

Data 

300 MHz to 110 GHz

 

Ultra-wideband electromagnetic absorber

Excellent heat radiation for heat generated during high-power irradiation.

Constructed of nonflammable materials to withstand the heat generated during high-power irradiation.

Lightweight and strong

This is a pyramidal electromagnetic absorber with a corrugated structure that consists of an inorganic base and utilizes the ohmic loss of carbon. The corrugated structure is designed to radiate heat efficiently during power irradiations of 1W/cm² or greater.

ICT-012
This is a 12-cm long pyramidal electromagnetic absorber with a corrugated structure. It delivers excellent electromagnetic absorption performance over a wide band between 0.8 and 110GHz. Our line up includes ICT-030 that delivers excellent electromagnetic absorption performance starting at low frequency ranges. These products are optimally suited for anechoic chambers and small anechoic dark boxes used in high-power tests.

 

TDK High Power Microwave Absorber (70 MHz to 40 GHz)

TDK Logo

Microwave

Ultra Wideband Absorber


IP-BX

 

TDK IP-BX Absorber 

Data 

70 MHz to 40 GHz

 

Ultra-wideband electromagnetic absorber

Stable against acids, bases and water vapor, and offers long service life.

Uses materials that, when burned, emit gases that are relatively harmless to humans.

Fire retardant (NRL Classes 1, 2 and 3; UL-94HF-1).

This is a composite electromagnetic absorber made by combining the IP-BX electromagnetic absorber, which consists of a styrofoam base and utilizes the ohmic loss of carbon, and an electromagnetic absorber that uses the magnetic loss of ferrite. Each of the loss material are matched for impedance to deliver excellent electromagnetic absorption performance from as low as the 70MHz FM band.

IP-100BX, IP-130BX
These TDK composite electromagnetic absorbers have been praised highly in tests for automobile antennas. IP-100BX delivers excellent electromagnetic absorption performance for vertical incidences starting at the FM band to the microwave range. IP-130BX delivers excellent electromagnetic absorption performance for oblique incidences starting at the FM band to the microwave range. These products are used widely in anechoic chambers for testing automobile antennas and large special purpose anechoic chambers.



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