51K EMI Gaskets
Fabric-over-Foam
Innovative Technology
for a Connected World
UL 94V0 RATED NI/CU NYLON RIPSTOP (NRS) FABRIC-OVER-FOAM
Laird Technologies’ Fabric-over-Foam (FoF) 51K EMI gaskets provide excellent EMI shielding
performance for customers where EMI issues occur. The 51K Series EMI gaskets are composed of
electrically conductive fabric wrapped around a soft urethane foam core. They are supplied with
either a conductive or non-conductive pressure sensitive adhesive (PSA), and can be equipped with
an Extended Release Liner (ERL) on the adhesive. The 51K is a UL 94V0 rated product that can
be created with cross-section profiles such as rectangle, D, C, P, T, knife, bell shapes, and others.
The 51K EMI gaskets can be further customized to an application by die-cutting, hole punching,
notching, etc.
FEATURES
MARKETS
• Fabric-over-Foam gaskets are RoHS compliant
• UL 94V0
• Low surface resistivity of < 0.07 Ω / □
provides excellent conductivity
• Shielding effectiveness of >100 dB across a
wide spectrum of frequencies
• Extremely low compression forces allow for
use of lighter materials
• Fabric is highly conductive to provide good
EMI shielding and grounding
• Abrasion resistant metallized fabrics
show virtually no degradation in electrical
performance after 1,000,000 cycles
• Laird Technologies’ proprietary coating
prevents fabric fraying and fingerprinting
• Available with conductive or
non-conductive PSA
• Many cross-section profiles available such as
rectangle, D, C, P, T, knife, bell and more
• Profile gaskets can be cut to specified lengths,
kiss-cut on release liner, or mitered to form
frame configurations
• Cabinet applications
• LCD and Plasma TV
• Medical equipment
• Servers
• Printers
• Laptop computers
• Networking equipment
• Desktop computers
• Telecommunications cabinets
0.5
8
0.45
7
0.4
6
0.35
0.3
5
0.25
4
0.2
3
0.15
2
0.1
1
0.05
0
0%
0
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
% Compression
SHIELDING EFFECTIVENESS (dB)
140
Effectiveness (dB)
120
100
80
60
40
global solutions: local support
USA: +1.866.928.8181
Europe: +49.0.8031.2460.0
Asia: +86.755.2714.1166
www.lairdtech.com
20
TM
0
1.00E+04
1.00E+05
1.00E+06
1.00E+07
Frequency Hz
1.00E+08
1.00E+09
Force (lbs/inch length)
Resistance (ohms/inch length)
FORCE/DISPLACEMENT/RESISTANCE (FDR)
51K EMI Gaskets
Fabric-over-Foam
Innovative Technology
for a Connected World
Item
Unit
Value
Test Method
Shielding Effectiveness
SAE-ARP-1705(Mod.)*
at 100 MHz
109
dB
113
Surface Resistivity
at 1 GHz
Ω /□
< 0.07
ASTM F390
Compression Set
%
< 20
ASTM D3574
°C
-40 to 70
-
Operation Temperature
Flame Retardant
UL 94V0 (UL file No.E170327)
Hazardous Substance
Compliant with RoHS (Directive 2002/95/EC)
Compliant with SONY SS-00259
Antimony-free
Shelf Life
12 months at 23°C/ 60% R.H.
* Part tested: 8 mm H x 10 mm W, rectangle shape
COMPOSITION OF PRODUCT
W
Conductive fabric
H
Polyurethane foam
PSA tape (option)
PRESSURE SENSITIVE ADHESIVE (PSA TAPE) OPTIONS
Name
Type
Thickness (mm)
Peel strength on stainless steel
(JIS Z 0237)
Z-axis Resistance
LT-301
Conductive PSA
0.09
> 1.3 kgf/25 mm
< 0.05 Ω
LT-350
PSA
0.12
> 2 kgf/25 mm
-
*Other PSA can be provided. Contact Laird Technologies engineering.
ORDERING INFORMATION
PART NUMBER EXAMPLE
Digits:
1
4
2
2
3
1
4
6
5
A
Profile S hape & Details
6
A
-
7
5
8
1
Product
Name
9
K
-
10
0
11
1
12
4
13
0
14
0
Part Length
(inches to two decimal points)
EMI-DS-FOF-51K 0712
Any information furnished by Laird Technologies, Inc. and its agents is believed to be accurate and reliable. All specifications are subject to change without notice. Responsibility for the use and application of
Laird Technologies materials rests with the end user. Laird Technologies makes no warranties as to the fitness, merchantability, suitability or non-infringement of any Laird Technologies materials or products for
any specific or general uses. Laird Technologies shall not be liable for incidental or consequential damages of any kind. All Laird Technologies products are sold pursuant to the Laird Technologies’ Terms and
Conditions of sale in effect from time to time, a copy of which will be furnished upon request. © Copyright 2012 Laird Technologies, Inc. All Rights Reserved. Laird, Laird Technologies, the Laird Technologies
Logo, and other marks are trade marks or registered trade marks of Laird Technologies, Inc. or an affiliate company thereof. Other product or service names may be the property of third parties. Nothing herein
provides a license under any Laird Technologies or any third party intellectual property rights.
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Laird Performance Materials:
4742AB51K01800 4215-AB-51K-01800 4245-AB-51K-00670 4245-AB-51K-00570 4633AF51K01080
4742AB51K09600 4209AB51K00510 4209AB51K00330 4795AB51K09600 4404AB51K01700 4379EK51K00600
4224AB51K08400 4233AB51K08400 4315AB51K-48.00 4249AB51K09600 4263AB51K00800 4795AB51K07200
4701AB51K-00430 4693AB51K01519 4056AB51K01200 4212AB51K02400 4209AB51K03780 4633AF51K00680
4202AB51K04720 4240AB51K01530 4633AF51K01470 4049AB51K01500 4184AB51K01200 4906AB51K01000
4051AB51K09600 4208AB51K09600 4056AB51K09600 4164EE51K00132 4211AB51K08400 4375AC51K00740
4694AB51K00113 4E06AD51K09600 4182AB51K00549 4182AB51K01067 4223AB51K01800 4833AC51K06225
4833AC51K02850 4040HA51K09600 4212AB51K00213 4203AB51K00100 4609AB51K04800 4211AB51K00575
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