fabric shielding gaskets
High-Performance EMI Fabric Shielding Gaskets
Leader Tech EMI Fabric Shielding Gaskets
1
Introduction
Fabric Shielding Gaskets
EMI Shielding Gaskets for Electronic Enclosures
Shielding gaskets are, very simply, connectors of two opposing
metallic planes which make them appear as one continuous
surface, by connecting across the openings. Depending on the
frequencies involved, the openings must be reduced as closely
as possible to a continuous seal.
Leader Tech’s unique Fabric Shielding Gasket structure is a
combination of a highly conductive nickel/copper ripstop fabric
and a resilient polyurethane foam core. Leader Tech’s FSG
products have superior shielding properties and ensure long
performance life all in a cost effective manner.
Typical EMI
Fabric Shielding
Gasket electronic
enclosure
installation.
Benefits of Fabric Shielding Gaskets (FSG)
•
•
•
•
•
•
•
•
•
•
•
Excellent shielding effectiveness
Extremely low compression force allows for use of lighter
materials and less fastening and hinge hardware
Low Surface Resistivity provides excellent conductivity
Abrasion resistant metalized fabric for durable
performance
Low compression set ensures long term reliability of
gasket performance
Profile and I/O gaskets are available with PSA tapes
which facilitates quick assembly
Designed for use with non-conductive pressure sensitive
adhesive for better adhesion
FSG products can be ordered from 24” or 48” stock, cut
to specific lengths or kiss cut on release liner
Over 100 sizes to choose from in a variety of profiles
Many profiles can be mitered and bonded as a
frame gasket
Prototype samples can be provided within 24 hours
Fabric Shielding
Gaskets assure
tight EMI
electrical contact
sealing of
electronic
enclosures with
high speed
microprocessors.
2
Phone: 1.866.Tech.EMI
Fax: 813.855.3291
Web: www.leadertechinc.com
Table of Contents
Rectangle Shape
......................................................................................
D-Shape
....................................................................................................
Square Shape
...........................................................................................
C-Fold Shape
............................................................................................
Bell Shape
.................................................................................................
Knife Shape
..............................................................................................
P-Shape
....................................................................................................
Round Shape
..............................................................................................
T-Shape
.....................................................................................................
Oval Shape
...............................................................................................
Triangle Shape
..........................................................................................
D-Sub Miniature
.......................................................................................
I/O Back Panel Profiles
.............................................................................
Shielding Fabrics
......................................................................................
Fabric Shielding Tape
..............................................................................
Compression and Performance Data
.....................................................
RO
(0.
SS
(0. 25 mm
SEC
Detai 51 mm ) for
TIO
)
led
N TO
part for allall dim
en
dra
LERA
win dimen sions
0.1
TYPI
gs are sions up
NC
6.1 0 to
CAL
avail abov to 0.0
ES
18
to 6.0 in.
able e
4
LEN
42.1.1 to 18.0 in.
on 0.04 in. (1.
GTH
(0.
to 42.0 in.
req
96.0
uest. in. (1. 02 mm
(15.5 25 to
TO
02
in.
15
(46
LERA
mm )
(107.0.0 toto 45.7.2 cm
)
)
NC
10
to 24 6.7 cm)
±0.03
ES
3.8 cm)
±0.06 0 in.
cm
±0.07 0 in.
)
±0.09 5 in.
(0.76
0 in.
(1.52 mm
(1.91 mm )
(2.29 mm )
mm )
)
±0.01
±0.02 0 in.
0 in.
TYPI
CAL
C
Technical Data
.........................................................................................
4-5
6-7
8
9
10
11
12
13
13
14
14
15
16
17
17
18
19
fabric shielding gaskets
ISO 9001: 2008
CERTIFIED
✔
RoHS
COMPLIANT
Leader Tech EMI Fabric Shielding Gaskets
3
Rectangle Shape
Fabric Shielding Gaskets
Shielding Effectiveness
Up to 105 dB
RECTANGLE SHAPE
with pressure sensitive adhesive mounting.
Low profiles with low compression force for applications with small gaps and
larger profiles for applications on cabinets and large enclosures.
Larger profiles are commonly used in groove mounted applications.
Available in standard 24” and 48” lengths or cut to length as desired.
Conductive tape and products without tape can also be supplied.
Contact factory for ordering information.
Please consult factory for sizes not shown.
See page 5 for part number explanation and typical cross section and length
tolerances.
Test Frequencies
30MHz - 10GHz
Low Compression
See page 18 for typical
performance
Dura-Layer Construction
Resiliant base with
high-performance
fabric
Part
SG015200R
SG020157R
SG020197R
SG020275R
SG039118R
SG040125R
H
(in)
0.015
0.020
0.020
0.020
0.039
0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.050
0.060
(mm)
W
(in)
0.200
0.157
0.197
0.275
0.118
0.125
0.200
0.275
0.395
0.500
0.600
0.710
0.090
0.125
(mm)
Recommended Compression
0.38
0.51
0.51
0.51
0.99
1.02
1.02
1.02
1.02
1.02
1.02
1.02
1.27
1.52
5.08
3.99
5.00
6.99
3.00
3.18
5.08
6.99
10.03
12.70
15.24
18.03
2.29
3.18
30-50% of gasket height
W
SG040200R
H
SG040275R
SG040395R
SG040500R
SG040600R
SG040710R
SG050090R
SG060125R
Continued on page 5.
4
Phone: 1.866.Tech.EMI
Fax: 813.855.3291
Web: www.leadertechinc.com
Rectangle Shape
Fabric Shielding Gaskets
Part
SG060160R
SG060200R
SG060280R
SG060395R
SG060550R
SG060750R
SG079157R
SG080200R
SG080275R
SG080395R
SG080500R
SG080750R
SG100200R
SG120155R
SG125250R
SG125375R
SG160354R
SG187375R
SG187750R
SG250375R
SG250500R
SG250600R
SG375500R
H
(in)
0.060
0.060
0.060
0.060
0.060
0.060
0.079
0.080
0.080
0.080
0.080
0.080
0.100
0.120
0.125
0.125
0.160
0.187
0.187
0.250
0.250
0.250
0.375
(mm)
W
(in)
0.160
0.200
0.280
0.395
0.550
0.750
0.157
0.200
0.275
0.395
0.500
0.750
0.200
0.155
0.250
0.375
0.354
0.375
0.750
0.375
0.500
0.600
0.500
(mm)
1.52
1.52
1.52
1.52
1.52
1.52
2.00
2.03
2.03
2.03
2.03
2.03
2.54
3.05
3.18
3.18
4.06
4.75
4.75
6.35
6.35
6.35
9.53
4.06
5.08
7.11
10.03
13.97
19.05
3.99
5.08
6.99
10.03
12.70
19.05
5.08
3.94
6.35
9.53
8.99
9.53
19.05
9.53
12.70
15.24
12.70
TYPICAL CROSS SECTION TOLERANCES
±.010 in. (0.25 mm) for all dimensions up to 0.04 in. (1.02 mm)
±.020 in. (0.50 mm) for all dimensions above 0.04 in. (1.02 mm)
Detailed part drawings are available upon request.
TYPICAL LENGTH TOLERANCES
0.20 to 6.00 in.
6.01 to 18.00 in.
18.01 to 48.00 in.
(5 - 152 mm)
(153 - 457 mm)
(458 - 1219 mm)
±.03 in.
±.06 in.
±.08 in.
(0.76 mm)
(1.52 mm)
(2.03
mm)
W
H
SG
# start
Part Number Explanation
XXX
XXX
X
-
XX.XX
Length
Height
Width
Profile
*Example:
SG125250R-22.50: Gasket .125 tall, .250 wide, Rectangle Shape and 22.5” long
Leader Tech EMI Fabric Shielding Gaskets
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