June 2016
Magnetic Sheets for RFID
Flexield
IFL/IBF series
MAGNETIC SHEET
(2/8)
20160609 / magnetic-sheet_rfid_en.fm
MAGNETIC SHEET
REMINDERS FOR USING THESE PRODUCTS
Before using these products, be sure to request the delivery specifications.
SAFETY REMINDERS
Please pay sufficient attention to the warnings for safe designing when using these products.
When mounting on live electrical parts directly, there is a fear that an insulation accident is caused, so please consider on the design in
case of use.
There is a fear that sullenness of double sided adhesive tape occurs, so please refrain from the use to a part where you wind
repeatedly by which it's for the hinge part.
The products listed on this catalog are intended for use in general electronic equipment (AV equipment, telecommunications
equipment, home appliances, amusement equipment, computer equipment, personal equipment, office equipment, measurement
equipment, industrial robots) under a normal operation and use condition. The products are not designed or warranted to meet the
requirements of the applications listed below, whose performance and/or quality require a more stringent level of safety or reliability, or
whose failure, malfunction or trouble could cause serious damage to society, person or property. When the damage occurs by having
been used the products in the applications listed below or if you have special requirements exceeding the range or conditions set forth
in the each catalog, please understand that the responsibility cannot be taken.
(1) Aerospace/Aviation equipment
(2) Transportation equipment (cars, electric trains, ships, etc.)
(3) Medical equipment
(4) Power-generation control equipment
(5) Atomic energy-related equipment
(6) Seabed equipment
(7) Transportation control equipment
(8) Public information-processing equipment
(9) Military equipment
(10) Electric heating apparatus, burning equipment
(11) Disaster prevention/crime prevention equipment
(12) Safety equipment
(13) Other applications that are not considered general-purpose
applications
When using these products in general purposes and standard use, it is recommended that protection circuits are used, devices are
secured, and backup circuits are kept for increased safety.
REMINDERS
(3/8)
20160609 / magnetic-sheet_rfid_en.fm
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
MAGNETIC SHEET
Magnetic Sheets for RFID
Flexield
FEATURES
High permeability, low magnetic loss (13.56MHz).
It's also possible to load on a little gap because it's thin type.
Has flexibility , it does not crack by impact or the like .
Offer by a roll shape is possible (IFL04).
APPLICATION
For improving reception performance in RFID reader/writers.
Integrate IC cards with metal.
Integrate IC tags with metal.
Improved antenna reception sensitivity.
STANDARD SHAPE LIST
Overview of IFL/IBF Series
Material Thickness
(mm)
Sheet
dimensions
(mm)
Roll
Width
(mm)
Length
(m)
IFL04
0.05
0.1
0.2
300×200 300 100
IBF15 0.1
0.18 125×125 — —
IFL IBF
Sheet Roll Sheet
Product compatible with RoHS directive
RoHS Directive Compliant Product: See the following for more details related to RoHS Directive compliant products. http://product.tdk.com/en/environment/rohs/
(4/8)
20160609 / magnetic-sheet_rfid_en.fm
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
MAGNETIC SHEET
IFL Series Sheet Type
PART NUMBER CONSTRUCTION
STANDARD PART NUMBER LIST
IFL 04 050 N B 300 × 200
Series name Material
symbol
Magnetic material
thickness
(mm)
Surface film
thickness
(mm)
Double-sided tape
thickness
(mm)
Length
(mm)
Width
(mm)
04 050 0.05 N No N No 300 300 200 200
100 0.10 R 0.038 B 0.01
200 0.20 R: Release type D 0.03
Material Standard dimensionss
(mm)
Thickness Part number
IFL04 300×200
0.05 IFL04-050NB300×200
0.1 IFL04-100NB300×200
0.2 IFL04-200ND300×200
Width
Length
Magnetic sheet
Surface film
Double-sided
Release liner
(5/8)
20160609 / magnetic-sheet_rfid_en.fm
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
MAGNETIC SHEET
IFL Series Roll Type
PART NUMBER CONSTRUCTION
STANDARD PART NUMBER LIST
IFL 04 050 R N 1HR × 300
Series name Material
symbol
Magnetic material
thickness
(mm)
Surface film
thickness
(mm)
Double-sided tape
thickness
(mm)
Length
(m)
Width
(mm)
04 050 0.05 N No N No 1HR 100 300 300
100 0.10 R 0.038 B 0.01
R: Release type D 0.03
Material Width
(mm)
Length
(m)
Thickness
(mm)
Part number
IFL04 300 100 0.05 IFL04-050RN1HRX300
0.1 IFL04-100RN1HRX300
Magnetic sheet
Surface film
Double-sided
Release liner
Width
Length
(6/8)
20160609 / magnetic-sheet_rfid_en.fm
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
MAGNETIC SHEET
IFL Series
MATERIAL CHARACTERISTIC
MATERIAL CHARACTERISTIC SPECIFICATION TABLE
RELATIVE PERMEABILITY
Material name Relative permeability μ'
[at 13.56MHz]
Relative permeability μ"
[at 13.56MHz]
Surface resistivity
(:/sq.)min
Thermal conductivity
(W/m・K)
Operating temperature range
（°C）
typ. typ.
IFL04 45 1.3 10k 1.5 –40 to +85
1 10 100
40
60
20
80
0
120
100
140
160
180
Relative permeability
Frequency (MHz)
IFL04 μ’
IFL04 μ’’
(7/8)
20160609 / magnetic-sheet_rfid_en.fm
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
MAGNETIC SHEET
IBF Series
MATERIAL CHARACTERISTIC
STANDARD PART NUMBER LIST
IBF 15 100 D D 125 × 125
Series name Material
symbol
Magnetic material
thickness
(mm)
Surface film
thickness
(mm)
Double-sided tape
thickness
(mm)
Length
(m)
Width
(mm)
15 100 0.10 D 0.03 D 0.03 125 125 125 125
180 0.18
Material Standard dimensions
(mm)
Thickness
(mm)
Part number
IBF15 125×125 0.1 IBF15-100DD125X125
0.18 IBF15-180DD125X125
Magnetic sheet
Surface film
Double-sided
Release liner
Width
Length
(8/8)
20160609 / magnetic-sheet_rfid_en.fm
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
MAGNETIC SHEET
IBF Series
MATERIAL CHARACTERISTIC
MATERIAL CHARACTERISTIC SPECIFICATION TABLE
RELATIVE PERMEABILITY
Material name Relative permeability μ'
[at 13.56MHz]
Relative permeability μ"
[at 13.56MHz]
Surface resistivity
(:/sq.)min
Thermal conductivity
(W/m・K)
Operating temperature range
（°C）
typ. typ.
IBF15 150 5 1G — –40 to +85
1 10 100
40
60
20
80
0
120
100
140
160
180
Relative permeability
Frequency (MHz)
IBF15 μ’
IBF15 μ’’
