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Noise Suppression Sheets/Magnetic Sheets/
Radio Wave Absorbers Flexield
FOR NOISE SUPPRESSION IRJ AND IFL MATERIALS
TDK’s Flexield is a highly flexible and shock resistant soft magnetic
sheet material consisting of magnetic material and resin.
It suppresses noise radiated from electronic devices across a wide
frequency range. Offering excellent flexibility in fabrication,
Flexield is a sheet-type noise reduction solution particularly suited
for high-frequency range.
FEATURES
• They are flexible(not crack).
• They are suited for thin and compact devices.
• Available in a wide range of dimensions and shapes.
• Conforming to RoHS Directive.
APPLICATIONS
• Noise reduction for flexible cables used in mobile devices
(including notebook PC's, digital cameras, game machines, and
cellular phones).
• Reduction of noise radiated from a wide variety of electronic
devices (including noise from CPU).
• Reduction of specific absorbed radiation (SAR) from cellular
phones.
• Reduction of internal EMI (resonance, crosstalk) inside a
shielded casing.
SPECIFICATIONS
FOR MULTIPURPOSE
Type
(Features/Application)
Material name
Recommended frequency range
Operating temperature range (°C)
Initial permeability[at 1MHz]typ.
Resistivity (Ω /square) min.
Thermal conductivity(W/m • K)
Standard sheet dimensions (mm)
Standard sheet thickness (mm)
Standard sheet weight (g)
Standard double-sided tape
thickness(Adhesive layer) (mm)
Compatible with rolls
Density (g/cm
3
)
Flame retardant
Environment
Flame retardant
High µ/High characteristic
IRJ17
5MHz to 3GHz
–40 to +85
180
1M
1.7
300×200
0.1
0.2
0.3
0.4
21
42
63
84
0.01
0.03
0.03
0.03
Flame retardant
High µ/Broad frequency band
IRJ09
10MHz to 3GHz
–40 to +85
100
1M
1.7
300×200
0.1
0.2
0.3
0.4
0.5
21
42
63
84
105
0.01
0.03
0.03
0.03
0.03
Conformity to RoHS Directive
PRODUCT IDENTIFICATIONS
IRJ17
(1)
AB
(2)
H
(3)
20 x 10 x 0.25
(4)
(5)
(6)
(1) Material name
(2) Double-sided tape symbol
No symbol: no double-sided tape used
A: double-sided tape (t=0.17)
AB: double-sided tape (t=0.03)
AT: double-sided tape (t=0.01)
(3) Product process symbol
(4) Length(20: 20mm)
(5) Width(10: 10mm)
(6) Thickness(0.25: 0.25mm)
0.5
105
0.03
Flame retardant
High frequency band
IRJ04
50MHz to 10GHz
–40 to +85
40
1M
1.5
300×200
0.1
0.25
0.5
22
54
108
0.01
0.03
0.03
Thin type
Halogen-free
IFL10M
10MHz to 3GHz
–40 to +85
120
1M
1.5
300×200
0.05
0.1
10
19
0.01
0.01
—
3.5
UL94V-0
RoHS directive
—
3.5
UL94V-0
RoHS directive
—
3.7
UL94V-0
—
3.2
—
RoHS directive
Halogen-free
•
Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and
specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
• All specifications are subject to change without notice.
007-01 / 20100301 / e9d1.fm
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