EFF(02)-240X240T0800 数据手册
Flex Suppressor®
EF Series
Overview
Applications
The EF Series Flex Suppressor® is an effective suppressor
for high frequency noise generated from electronic devices.
The flexible sheet is a polymer base blended with micron
sized magnetic powders dispersed into the material. The EF
Series are effective for resonance and wave suppression,
and can be cut into virtually any shape.
• Radiation noise suppression for electronic equipment
• Quasi-microwave range interference prevention inside
and in between electronics
• Mobile communications equipment, wireless equipment
(Wi-Fi, Bluetooth), office automation equipment (personal
computers, TFT LCD’s etc.), communication terminals in
audio/video equipment, digital exchanges, etc.
• ESD (electro static discharge) countermeasure
Benefits
• Usable in quasi-microwave ranges
• Can be used in high-speed clocks (Up to 10 GHz)
• Thin, flexible material used in portable equipment
• Virtually no limitation in where it can be used
• Less time required for installation
• Resonance suppression – controls the high frequency
current and suppresses unwanted electromagnetic
resonance by creating impedance
• Electromagnetic wave suppression – suppresses the
electromagnetic wave intruding the sheet by the magnetic
loss of its composition
Part Number System
EFR
(01)-
240x240
T08
00
Series Type
Thickness
Standard Dimensions
(mm)
Tape 1 Type
Adhesive Tape Thickness
Tape 2 Type
EFR
EFX
EFF
EFA
EFH
EFG
(003)- = 0.03 mm
(005)- = 0.05 mm
(007)- =0.07 mm
(01)- = 0.1 mm
(02)- = 0.2 mm
(03)- = 0.3 mm
(05)- = 0.5 mm
(10)- = 1.0 mm
240 x 240
T08 = 0.03 mm
T15 = 0.14 mm
T22 = 0.05 mm
T29 = 0.01 mm
Blank = No adhesive tape
00 = Without PET tape
Blank = Without Tape 1 Type
One world. One KEMET
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
FS8001_EF • 3/27/2017
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Flex Suppressor ®
EF Series
Specifications
Features
Standard
Specifications
High
Magnetic
Permeability
Type
Type
EFR
EFX
Extra High
Magnetic
Permeability
Type
Flame
Retardant
Type, Red
Phosphorus
Free Type
High
Frequency
High
Temp.
Reflow
EFF
EFA
EFG
EFH
0.03/0.05/0.1/
(0.2/0.3)2
240 x 240
(roll on request)
0.05/0.1/
0.2/0.3
0.05/0.1
Effective Frequency
Up to 10 GHz
Operating Temperature (°C)
−40 to +105
Thickness (mm)
0.05/0.1/0.2/
0.3/0.5/1.0
Standard Dimensions (mm)
Specific Gravity1
Tensile Strength (Mpa)
Surface Resistance (Ω)
Thermal Conductivity (W/m K)
0.05/0.1/0.2/
0.3/0.5
240 x 240
3.2 typical
3.6 typical
3.1 typical
3.0 typical
3.1 typical
3.6 minimum
6.8 minimum
6.9 minimum
6.8 minimum
3.5 minimum
6.8 minimum
1.0 x 106 minimum
1.0 x 10
minimum
1.0 x 106
minimum
1.3
0.22
1.3
UL94 V–1
UL94 V–0
1.0 x 106 minimum
1.0 x 105 minimum 1.0 x 105 minimum
0.22
0.22
UL94 V–0
UL94 HB
0.4
UL94 V–0
UL File No.
E176124
Compliant
Halogen
Free
PVC
Free
Lead
Free
Relative Magnetic Permeability
(at 3 MHz)
5
UL File No. E176124
RoHS
Red
Phosphorus
240 x 240
2.8 typical
Approved Standard
Environment
0.07/0.1/0.2/0.3
—
Free
—
Free
—
Free
60 typical
100 typical
130 typical
60 typical
20 typical
60 typical
Industry’s
Excellent
highest magnetic
µ60 high
µ60 high permeability
suppression of
µ100 high
permeability of µ130 permeability. Red
Various thickness
high frequency
permeability
with halogen free
phosphorus free
Remarks
Flame retardant (UL
noise in Wi-Fi
Various thickness composition. Flame Flame retardant (UL
94 V–0 certified)
and higher
retardant(UL 94 V–0 94 V–0 certified)
bandwidths.
certified)
Can be
mounted
before
reflowing
Above specifications are for the Flex Suppressor® alone (adhesives and etc. not included)
Value in 23°C atmosphere
2
Sheets with 0.2 mm and 0.3 mm thickness are lamination of 0.1 mm sheets.
1
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
FS8001_EF • 3/27/2017
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Flex Suppressor ®
EF Series
Table 1 – Ratings & Part Number Reference
Part Number
Series
EFR(005)-240x240T0800
EFR
EFR(01)-240x240T0800
EFR(02)-240x240
Tape
Thickness
Thickness
(mm)
(mm)
Relative
Magnetic
Permeability
at 3 MHz
Specific
Gravity
(typical)
Tensile
Strength
(Mpa
minimum)
Surface
Thermal
Resistance Conductivity
(Ω minimum)
(W/m K)
0.05
0.03
60
2.8
3.6
1.0 x 10^6
0.22
EFR
0.1
0.03
60
2.8
3.6
1.0 x 10^6
0.22
EFR
0.2
--
60
2.8
3.6
1.0 x 10^6
0.22
EFR(02)-240x240T0800
EFR
0.2
0.03
60
2.8
3.6
1.0 x 10^6
0.22
EFR(03)-240x240
EFR
0.3
--
60
2.8
3.6
1.0 x 10^6
0.22
EFR(03)-240x240T0800
EFR
0.3
0.03
60
2.8
3.6
1.0 x 10^6
0.22
EFR(05)-240x240
EFR
0.5
--
60
2.8
3.6
1.0 x 10^6
0.22
EFR(05)-240x240T1500
EFR
0.5
0.14
60
2.8
3.6
1.0 x 10^6
0.22
EFR(10)-240x240
EFR
1
--
60
2.8
3.6
1.0 x 10^6
0.22
EFR(10)-240x240T1500
EFR
1
0.14
60
2.8
3.6
1.0 x 10^6
0.22
EFX(005)-240x240T0800
EFX
0.05
0.03
100
3.2
6.8
1.0 x 10^5
0.22
EFX(01)-240x240T0800
EFX
0.1
0.03
100
3.2
6.8
1.0 x 10^5
0.22
EFX(02)-240x240
EFX
0.2
--
100
3.2
6.8
1.0 x 10^5
0.22
EFX(02)-240x240T0800
EFX
0.2
0.03
100
3.2
6.8
1.0 x 10^5
0.22
EFX(03)-240x240
EFX
0.3
--
100
3.2
6.8
1.0 x 10^5
0.22
EFX(03)-240x240T0800
EFX
0.3
0.03
100
3.2
6.8
1.0 x 10^5
0.22
EFX(05)-240x240
EFX
0.5
--
100
3.2
6.8
1.0 x 10^5
0.22
0.22
EFX(05)-240x240T1500
EFX
0.5
0.14
100
3.2
6.8
1.0 x 10^5
EFF(007)-240x240T0800
EFF
0.07
0.03
130
3.6
6.9
1.0 x 10^5
0.4
EFF(01)-240x240T0800
EFF
0.1
0.03
130
3.6
6.9
1.0 x 10^5
0.4
EFF(02)-240x240
EFF
0.2
--
130
3.6
6.9
1.0 x 10^5
0.4
EFF(02)-240x240T0800
EFF
0.2
0.03
130
3.6
6.9
1.0 x 10^5
0.4
EFF(03)-240x240
EFF
0.3
--
130
3.6
6.9
1.0 x 10^5
0.4
EFF(03)-240x240T0800
EFF
0.3
0.03
130
3.6
6.9
1.0 x 10^5
0.4
EFA(003)-240x240T0800
EFA
0.03
0.03
60
3.1
6.8
1.0 x 10^6
1.3
EFA(005)-240x240T0800
EFA
0.05
0.03
60
3.1
6.8
1.0 x 10^6
1.3
EFA(01)-240x240T0800
EFA
0.1
0.03
60
3.1
6.8
1.0 x 10^6
1.3
EFA(02)-240x240
EFA
0.2
--
60
3.1
6.8
1.0 x 10^6
1.3
EFA(02)-240x240T0800
EFA
0.2
0.03
60
3.1
6.8
1.0 x 10^6
1.3
EFA(03)-240x240
EFA
0.3
--
60
3.1
6.8
1.0 x 10^6
1.3
EFA(03)-240x240T0800
EFA
0.3
0.03
60
3.1
6.8
1.0 x 10^6
1.3
EFG(005)-240x240T0800
EFG
0.05
0.03
20
3
3.5
1.0 x 10^5
0.22
EFG(01)-240x240T0800
EFG
0.1
0.03
20
3
3.5
1.0 x 10^5
0.22
EFG(02)-240x240
EFG
0.2
--
20
3
3.5
1.0 x 10^5
0.22
EFG(02)-240x240T0800
EFG
0.2
0.03
20
3
3.5
1.0 x 10^5
0.22
EFG(03)-240x240
EFG
0.3
--
20
3
3.5
1.0 x 10^5
0.22
EFG(03)-240x240T0800
EFG
0.3
0.03
20
3
3.5
1.0 x 10^5
0.22
EFH(005)-240x240T2200
EFH
0.05
0.05
60
3.1
6.8
1.0 x 10^6
1.3
EFH(01)-240x240T2200
EFH
0.1
0.05
60
3.1
6.8
1.0 x 10^6
1.3
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FS8001_EF • 3/27/2017
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Flex Suppressor ®
EF Series
Shielding
Shielding materials
(metal, electrically conductive material)
Shield
While transmitted waves can be minimized, most of the incoming waves
are reflected, causing internal interference. High-frequency electric current
occurs on the metal surfaces and reflected noise occurs at the shielding
joints, metal openings, and other parts when the grounding is poor.
Reflected
waves
Reflected
waves
Incoming waves
Metal
surface
High-frequency
electric current
Shielding material + radio wave absorber
radio wave
absorber
Shielding material + Radio wave absorber transmitted waves and reflected
waves can be minimized by mounting metal plates on the back of radio wave
absorbers.
Reflected
waves
Shield
Heat
conversion
Reflected
waves
Incoming
waves
Transmitted
waves
Heat
conversion
radio wave absorber
Radio wave absorbers
To prevent reflection, electromagnetic energy is absorbed and converted into
heat.
Incoming waves
Heat
conversion
Transmitted
waves
Reference: Other absorbing and reflecting examples
Absorbing
Reflecting
Radio Waves
Radio waves absorbers
Metals
Light
Black objects
White objects, Mirrors
Sound
Absorbers, Felt
Solid bodies (Concrete, etc.)
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FS8001_EF • 3/27/2017
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Flex Suppressor ®
EF Series
Applications
Case 1 – To suppress noise reflected by casing
Case 2 – To suppress cross talk between substrates
Apply directly to casing
(Case 1)
Apply between boards (Case 2)
Case 3 – To suppress radiation noises from LSI and IC
Apply directly to
top of LSI or IC
(Case 3)
Apply directly to
circuit board line
(Case 3)
Insulation process should be performed when
there is contact to conductive material
Case 4 – To suppress noise from cables
Wrap Flex Suppressor® around cable.
Caution : Must be covered with heat shrink
material (Case 4)
Apply directly to flat cable. (Case 4)
Case 5 – To suppress noise radiation (reflected noise) from
the opening of shield, casing, etc.
Shielded casing
Attached around opening
(Case 5)
Opening
Suppressing radiation
High-frequency current on shielded surface
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
FS8001_EF • 3/27/2017
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Flex Suppressor ®
EF Series
Applications cont’d
Devices
Mobile Phone
Digital Camera
Notebook PC
DVD/BD
Car Audio & Visual
RFID/RW
Optical Reception
Module
Wireless LAN
Scanner
HDD
Noise Radiation
Suppression
Internal
Interference
Suppression
On main CPU
On FPC and LSI for LCD
module and camera
module
On main CPU – reception
improvement
On I/F cable
On FPC and LSI of LCD
On loop antenna –
module and camera
Communication distance
module
improvement
On metal parts such as
chassis
On the board and FPC
—
On metal parts such as
chassis
—
—
Notebook PC
Anti-SAR measure
Anti-ESD measure
Noise radiation
suppression
Anti-ESD
Measure
On CCD module FPD,
image processing
On the board
LSI, and Memory slot
On CPU and GPU
On loop antenna and metal
On cables inside LCD
On CPU and GPU
parts near antenna –
panel
On wireless LAN module
On metal parts such as
Communication distance
On I/O e.g. PCMCA
chassis
improvement
and memory slot
On LSI and FPC near
On metal parts such as
optical pickup
On the board and on FPC
—
chassis
On MPEG chip
On GPS receiver and TV
tuner
On metal parts such as
On LSI, flexible board
—
On LSI for LCD – Radio
chassis
reception improvement
On loop antenna, and
metal parts near antenna
—
—
—
– Communication
distance improvement
On the interior of the
chassis and on LSI – error
—
—
—
rate improvement
On Cable and co-axial
—
cable – Reception
—
—
improvement
On scanner head
—
—
—
board and FPC
Mobile phone
Internal
interference
suppression
RFID Transmission
Quality
Improvement
Internal
interference
suppression
—
Anti-SAR
Measure
Near antenna
Around touch
panel
—
—
—
—
—
—
—
—
—
Digital still camera
Noise radiation
suppression
Noise radiation
suppression
Anti-ESD
measure
Anti-ESD
measure
Internal
interference
suppression
RFID transmission
quality improvement
Car navigation system
DVD recorder
Noise radiation suppression
Anti-ESD measure
Internal interference suppression
Noise radiation suppression
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
Internal
interference
suppression
Anti-ESD measure
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Flex Suppressor ®
EF Series
Examples of Shapes
Can be cut in a variety of shapes and sizes.
Permeable Characteristics
140
120
100
80
60
/ EFH
40
20
/ EFH
0
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FS8001_EF • 3/27/2017
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Flex Suppressor ®
EF Series
Electrical Characteristics
EFR – Attenuation of transmission noise
EFR – Attenuation of coupling noise
EFX – Attenuation of transmission noise
EFX – Attenuation of coupling noise
EFF – Attenuation of transmission noise
EFF – Attenuation of coupling noise
Above data are not guaranteed values.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
FS8001_EF • 3/27/2017
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Flex Suppressor ®
EF Series
Electrical Characteristics cont’d
EFA – Attenuation of transmission noise
EFA – Attenuation of coupling noise
EFH – Attenuation of transmission noise
EFH – Attenuation of coupling noise
EFH
EFH
EFH
EFH
Above data are not guaranteed values.
Measuring Method of Electrical Characteristics
Attenuation of transmission noise
Attenuation of coupling noise
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
FS8001_EF • 3/27/2017
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Flex Suppressor ®
EF Series
Transmission Noise Attenuation Characteristics
Shown in graphs below are values of transmission loss calculated from the transmission characteristics S11 and S21
measured on
Z0 = 50Ω type MSL (Micro Strip Line) with a Flex Suppressor® attached.
EFR Type
EFX Type
EFF Type
EFA Type
EFG Type
EFH Type
EFH (005)
EFH (01)
Above data are not guaranteed values.
Measuring Method of Transmission Noise Attenuation Characteristics
Printed board (FR-4)
100mm x 100mm x 1.6mm
Sample 50mm x 50mm
Incident wave
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Reflection S11
Transmission S21
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Flex Suppressor ®
EF Series
Soldering Process
Peak Temperature (ºC)
Reflow Profile
230
200
150
B
Preheating
A
Time (seconds)
Peak Temperature
+260°C
Preheating
150 – 180°C 90 seconds maximum
200°C or more, 60 seconds
maximum
230°C or more, 40 seconds
maximum
2 times maximum
A
B
Number of Times
Handling Precautions
Avoid high-temperature, humidity and direct sunlight. Storage environment should be below 40°C and below 70% relative
humidity.
The surface resistance value listed in this catalog is a reference value of the circuit parameter to indicate noise
suppression. The value does not mean the product’s insulation characteristics. The value may become lower if an excess
pressure is applied to the product.
Products in this catalog are not insulators. Please handle them as conductors. When in actual use, please be careful so that
conductive material does not contact the surface or the edge of the Flex Suppressor® sheet. Insulation process should be
performed when contact to conductive material is probable.
Depending upon the processing procedure, powdery substance may drop out from sheet surface or edge if cutting of the
sheet is performed by the customer. Please be careful as this powder may effect the component’s performance depending
on the location.
Clean away any dust, oil or moisture from the surface of the installing area when attaching the sheet using adhesive tape.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
FS8001_EF • 3/27/2017
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Flex Suppressor ®
EF Series
Information on environmentally influential substances
The Flex Suppressor® does not contain substances listed below:
(1) Ozone depleting substance
CFC (chlorofluorocarbon)
Halon
Carbon tetrachloride
1,1,1-Trichloroethane
HCFC (hydrochlorofluorocarbon)
HBFC (hydrobromfluorcarbon)
Methyl bromide
(2) Substances regulated by RoHS order
Lead and lead compound
Mercury and mercury compound
Cadmium and cadmium compound (content of plastics are below 5ppm)
Hexavalent chromium and hexavalent chromium compound
PBB (polybrominated biphenyl) and its kind
PBDE (polybrominated diphenylether)
(3) Other environmentally influential substances (examples)
PCB (polychlorinated biphenyl)
Polychlorinated naphthalene
Hexachlorobenzene
Organotin compounds (tributyl tin, triphenyl tin)
Asbestos
Azo compound
Chlorinated paraffin and its kind (paraffin chloride, Chlorinated paraffin and chloroparaffin)
Radioactive substance
PVC
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FS8001_EF • 3/27/2017
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Flex Suppressor ®
EF Series
KEMET Electronic Corporation Sales Offices
For a complete list of our global sales offi ces, please visit www.kemet.com/sales.
Disclaimer
All product specifi cations, statements, information and data (collectively, the “Information”) in this datasheet are subject to change. The customer is responsible for
checking and verifying the extent to which the Information contained in this publication is applicable to an order at the time the order is placed.
All Information given herein is believed to be accurate and reliable, but it is presented without guarantee, warranty, or responsibility of any kind, expressed or implied.
Statements of suitability for certain applications are based on KEMET Electronics Corporation’s (“KEMET”) knowledge of typical operating conditions for such
applications, but are not intended to constitute – and KEMET specifi cally disclaims – any warranty concerning suitability for a specifi c customer application or use.
The Information is intended for use only by customers who have the requisite experience and capability to determine the correct products for their application. Any
technical advice inferred from this Information or otherwise provided by KEMET with reference to the use of KEMET’s products is given gratis, and KEMET assumes no
obligation or liability for the advice given or results obtained.
Although KEMET designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component
failures may still occur. Accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards
(such as installation of protective circuitry or redundancies) in order to ensure that the failure of an electrical component does not result in a risk of personal injury or
property damage.
Although all product–related warnings, cautions and notes must be observed, the customer should not assume that all safety measures are indicted or that other
measures may not be required.
KEMET is a registered trademark of KEMET Electronics Corporation.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
FS8001_EF • 3/27/2017
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