EMC Component,Pyramid Foam Absorber,EMI,supplier SMARTNOBLE,MIL-USE

Pyramid Foam Absorber EMC Component

EMC Component Availability

Standard sheets are 24” x 24” (61 cm x 61 cm)
Thickness depends upon the lowest desired frequency of operation required
SMARTNOBLE® AN is available in other sizes and customer specified configurations, incorporating miter cuts or attachment to metal parts
Can be manufactured, on special order, on a mandrel, to take a contoured shape.

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Detail

EMC Component Material Characteristics
•Lightweight, flexible, broadband, open-cell, polyurethane foam absorber
•Carbon loaded, laminated polyurethane sheets
•Frequency range from 600 MHz -40 GHz
•Designed to reflect less than -20 dB of normal incident energy above specified frequencies and relative to a metal plate
•Does not support fungal growth per MIL-STD-810E
•Can be readily cut on a band saw, with scissors, die, or a sharp knife
Application

Anechoic chamber (no echo chamber, microwave anechoic chamber, EMC anechoic chamber, etc.).
Radio anechoic box
Absorbing screen and wall, etc.
Covering the reflector of test environment, reducing background noise, eliminating clutter interference and improving test accuracy;
Indoor use, not outdoor, service life of 15 years. The working temperature is - 50 +80℃, the short time can reach 120℃, the power capacity is 1 kw/m², and the short time is 1.5 kw/m².

Electrical Performance

Type	Thick (mm)	Weight kg/m²	Maximum Reflectivity of Vertical Injection at a Specific Frequency (-dB)										Size (mm)
Type	Thick (mm)	Weight kg/m²	40	15	10	5	3	1.5	0.5	0.3	0.2		Size (mm)
SN-30	30	1.3	40	35	30	20	17	12					500×500
SN-50	50	1.8	45	40	35	25	20	15					500×500
SN-70	70	2.6	45	40	35	30	25	20					500×500
SN-100	100	3.2	50	45	40	35	30	20	10				500×500
SN-150	150	4.2	55	50	45	40	35	25	15				500×500
SN-200	200	5.5	60	55	50	45	40	30	17				500×500
SN-300	300	8.3	60	60	55	45	40	35	20				500×500
SN-400	400	10.6	60	60	55	50	45	40	25	17			500×500
SN-500	500	13	60	60	60	50	45	40	30	20	17		500×500
SN-700	700	17.7	60	60	60	55	50	45	30	25	20	17	250×500
SN-800	800	19.6	60	60	60	55	40	45	35	30	20	17	500×500
SN-1000	1000	25.5	60	60	60	60	55	48	35	30	25	20	334×334

Thick./wavelength	Attenuation(-dB)
Thick./wavelength	0°	60°Vertical polarization	60° Horizontal polarization
0.25	15	11	7
0.5	20	16	11
1	30	20	15
2	40	30	23
6	50	42	33
20	55	50	43

In a wide frequency range, it has good attenuation performance of vertical incidence, oblique incidence, scattering and transmission.
When oblique incident angle is within 30, Rw does not change much.
The performance decreases with the increase of incident angle. When the angle is 60, the difference of Rw is 10-15 dB than that of vertical incidence

Pyramid Foam Absorber EMC Component

Pyramid Foam Absorber EMC Component

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