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EMC-24CL
Key Features:
Designed for IEC 61000-4-3 and MIL-STD 461D/E Testing
Ultra Broadband Performance
80MHz - 40 GHz
200 V/m Power Handling Capability
90AºC (190AºF) Maximum Service Temperature
Fire Retardant Meets NRL 8093 Tests 1, 2 & 3, MIT MS-8-21, UL 94, and DIN 4102-B2
 
 
 
 
 
 
 
 
 
 
 
 
 
 

EMC-24CL is an ultra broadband microwave absorber which has been optimized for EMC applications. Its design is an evolution of traditional pyramidal polyurethane absorber and combines carefully balanced dielectric properties with a special geometry that is suited for low frequency operation. Rantec EMC-24CL microwave absorber meets or exceeds IEC 61000-4-3 and MIL-STD 461D/E performance requirements and is ideal for new installations or for chamber retrofits to upgrade performance. It provides an ultra broadband performance range of 80 MHz to 40 GHz.

EMC 24CL has excellent power handling capability. This absorber has been proven to safely withstand up to 0.50 Watt/in squared CW power density in RF and microwave frequency ranges. EMC-24PL can safely handle the most stringent commercial EMC radiated field strength of 200 V/m (or equivalent power density of 110 Watt/m2, 0.1 Watt/in2) continuous wave. Maximum service temperature is 90 ° C (190 ° F, continuous).
This absorber meets the fire retardant standards of NRL 8093 Tests 1, 2, 3, MIT MS-8-21, UL 94, and DIN 4102-B2: Tests for Flammability. EMC-24CL has an ASTM E 84-84 flame-spread index of 35 and a smoke developed index of 450.

Electrical Specifications
FREQUENCY POWER HANDLING
80 MHz - 40 GHz
200.0 V/m CW

Physical Specifications
OVERALL
HEIGHT
BASE
HEIGHT
PYRAMID
HEIGHT
60.96 cm
24.0 in
15.24 cm
6.0 in
45.74 cm
18.0 in
ABSORBER
FOOTPRINT
PYRAMID BASE
DIMENSION
PYRAMIDS
PER BASE
20.32 cm
8.0 in
9
WEIGHT
RATINGS: FIRE RETARDANT
4.6 kg
10.1 lb
NRL 8093 Tests 1, 2 & 3, MIT MS-8-21,UL 94 and DIN 4102-B2

Technical Charts
EMC-24CL Maximum Reflections at Normal Incidence
 

MHz dB
60 - 3
80 - 6
100 - 7
200 - 15
250 - 20
300 - 30
500 - 35
1,000 - 40
2,000 - 50
3,000 - 50
6,000 - 50
10,000 - 50
18,000 - 50
40,000 - 45
NOTES
Data represents guaranteed performance.
All absorber units carry individual identification and are factory tested and serialized to verify rated reflection characteristics.
Rantec can custom fabricate microwave absorbers to a special size, shape or modified impregnation formulation.