EMI ESSENTIALS - LAIRD TECHNOLOGIES - #30

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microwave absorbers
Q-ZORB™
RFSW-SURFACE WAVE
BROADBAND PERFORMANCE, SURFACE WAVE ATTENUATION
Durable, available in a variety of dimensions
Q-ZORB RFSW surface wave absorbers are thin, magnetically loaded elastomeric sheets designed to provide attenuation at high angles of incidence for surface wave attenuation. They are nominally manufactured in the thickness range of 0.010 in to 0.125 in (0,3mm to 3,2mm).
Several magnetic fillers are available; carbonyl iron powder is standard, but other materials such as iron silicide (FeSi) are used for corrosion resistant applications.
The materials are available in UL fire retardant versions for use in commercial devices. Laird Technologies can provide the material die-cut and with a pressure-sensitive adhesive for ease of installations. Sheets are offered in nominal sizes of 24 in x 24 in (609,6 mm x 609,6 mm), although custom sizes and molded components are available.
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Typkal Reflection Loss Properties of Q-Zorb RFSW-Surface Wave
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Features and Benefits:
Typical applications: WLAN, basestations, point to point antenna systems, automotive radars, optical communication equipment, high speed switches, servers, wireless PC cards, wireless antenna cross talk, cellular phones, digital cameras, notebook PCs, amplifiers, oscillators, board level interference issues Lowers the noise or cavity Q in microwave components Flexible elastomeric material will not crack or break
Very thin for compact applications Can be supplied with pressure sensitive adhesive (PSA) backing Available in a wide variety of dimensions and can easily be die cut or supplied in kiss cut pads
Supports a broad frequency range UL V0 flame rating is standard Environmentally safe:Lead/Halogen-free, RoHS certified
Excellent performance at frequencies between 500 MHz and 40 GHz Silicone elastomer offers a wide temperature range (-60OF - 350OF)
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0
■-"
^---
--_
--
--
\
----'
~> ^--
\
\
r
1
1
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f
-2234
2238 -
2240 —
2242 —
2960
ca
-5
-10
-15
O '+-<
-20
-25
-30
Frequency (GHz)
Elastomer
Thickness
RFSW
Silicone
2960
0.010 (0,3)
12-18
PSA
RFSW
Silicone
2234
0.020 (0,5)
12-18
FR, PSA
RFSW
Silicone
2236
0.030 (0,8)
12-18
FR, PSA
RFSW
Silicone
2238
0.040 (1,0)
8-12
FR, PSA
RFSW
Silicone
2296
0.050 (1,3)
8-12
FR, PSA
RFSW
Silicone
2240
0.060 (1,5)
8-12
FR, PSA
RFSW
Silicone
2257
0.080 (2,0)
4-8
FR, PSA
RFSW
Silicone
2272
0.100 (2,5)
2-4
FR, PSA
RFSW
Silicone
2242
0.125 (3,2)
2-4
FR, PSA
* Other: PSA-Pressure Sensitive Adhesive, FR-Fěre Retardancy (UL-V0) rated
For additional information on any of the other products available, please contact sales for assistance or visit www.lairdtech.com.
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pageCatalog pdf di En 2012-02-07-15