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Conformity to RoHS Directive
Common Mode Filters(SMD)
For High-speed Differential Signal Line / General Signal Line
ACM Series ACM2012, 2520, 3225, 4532 Types
FEATURES
• Although greatly miniaturized, this wire-wound chip-type filter
maintains the characteristics needed for a common-mode filter.
Common-mode impedance is 1000Ω [at 100MHz], so this filter is
greatly effective in supporting noise.
• Almost no affect upon even high speed signals since differential
mode impedance is kept low.
• This series includes both 2-line and 3-line types. They are used
for various types of circuits and noise.
APPLICATIONS
• Used for radiation noise suppression for any electronic devices.
• Used to counter common-mode noise affecting signals within
high speed lines.
• USB line for personal computers and peripheral equipment.
• IEEE1394 line for personal computers, DVC, STB, etc.
• LVDS, panel link line for liquid crystal display panels.
SHAPES AND DIMENSIONS/CIRCUIT DIAGRAMS/
RECOMMENDED PC BOARD PATTERNS
2-LINE TYPE
ACM2012-2P
PRODUCT IDENTIFICATION
ACM
(1)
2012 - 900 - 2P - T
(2)
(3)
(4)
(5)
(1) Series name
(2) Dimensions L×W
2012: 2.0×1.2mm
(3) Impedance[at 100MHz]
900: 90Ω
(4) Number of line
2P:2-line
3P:3-line
(5) Packaging style
T: ø180mm reel taping
TL: ø330mm reel taping
(6) TDK internal code
TEMPERATURE RANGE
Operating
–25 to +85°C
PACKAGING STYLE AND QUANTITIES
Packaging style
Type
2.0±0.2
ACM2012
1.2±0.2
3
ACM3225
0.8
Termination
0.4
0.3
0.5
Dimensions in mm
ACM2520-2P
ACM3225-2P
2.5±0.2
1
2.0±0.2
3
Ferrite
0.40
0.8
1.5
0.8
0.45
4
3
1
2
Insulation
resin
2.3max.
Terminal
electrode
1.3
0.35
1.30
2
Dimensions in mm
1.6
0.45
4
3.2±0.2
0.85
1.2±0.1
4
3
1
2
1.4
0.05
0.3
0.75 1.1 0.75
0.4
0.4
ACM4532
0.4
Termination
1.2
ACM2520
Taping
0.7
3
1.1
Wires
2
Quantity
2000 pieces/reel
10000 pieces/reel
2000 pieces/reel
10000 pieces/reel
1000 pieces/reel
5000 pieces/reel
500 pieces/reel
2000 pieces/reel
1.4
3
Ferrite
4
Reel
ø180mm
ø330mm
ø180mm
ø330mm
ø180mm
ø330mm
ø180mm
ø330mm
0.7
0.7
2.5 ±0.2
2
1
0.4
4
1.3max.
1
(6)
0.7
1.5
1.6
1.5
Dimensions in mm
• 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.
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2.5±0.2
6
2
5
3
4
1.5
1
0.7
0.8
Ferrite
1.2
2.3max.
Insulation
resin
1
4.3
0.8
0.7
0.8
0.3
Dimensions in mm
1.8
2.3
1.8
Dimensions in mm
1.6
0.45
6
5
4
1
2
3
1.2
Electrode
Terminal
electrode
0.35
0.85
1.3=P0.65×2
2.0±0.2
1.2±0.1
1.3=P0.65×2
Wires
4
5
6
1
4.5±0.2
Ferrite
3
2
1
6
5
4
1
2
3
6
5
4
1
2
3
0.5 0.75 0.5
3.2±0.2
SHAPES AND DIMENSIONS/CIRCUIT DIAGRAMS/RECOMMENDED PC BOARD PATTERNS
3-LINE TYPE
ACM2520-3P
ACM4532-102-3P
0.45
ELECTRICAL CHARACTERISTICS
Part No.
2-LINE
ACM2012-900-2P
ACM2012-121-2P
ACM2012-201-2P
ACM2012-361-2P
ACM2520-301-2P
ACM2520-451-2P
ACM2520-601-2P
ACM2520-102-2P
ACM3225-800-2P
ACM3225-161-2P
ACM3225-271-2P
ACM3225-102-2P
3-LINE
ACM2520-801-3P
ACM4532-102-3P
Impedance
(Ω )typ.[100MHz]
DC resistance
(Ω )max.[Per 1 line]
Rated voltage
Edc(V)max.
Rated current
Idc(A)max.
90
120
200
360
300
450
600
1000
80
160
270
1000
0.19
0.22
0.25
0.5
0.35
0.4
0.45
0.9
0.15
0.2
0.3
0.5
50
50
50
50
20
20
20
20
20
20
20
20
0.4
0.37
0.35
0.22
0.4
0.35
0.3
0.2
0.4
0.35
0.3
0.2
800
1000
1.6
0.6
20
20
0.15
0.2
• All specifications are subject to change without notice.
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TYPICAL ELECTRICAL CHARACTERISTICS
IMPEDANCE vs. FREQUENCY CHARACTERISTICS
ACM2012-900-2P
ACM2012-121-2P
ACM2012-201-2P
ACM2012-361-2P
1000
1000
1000
1000
1
1
ACM2520-301-2P
Impedance(Ω)
1
1
1000
Common mode
ACM2520-451-2P
100
10
1000
Differential
mode
10
100
1000
Frequency(MHz)
ACM3225-800-2P
1
1
10
Differential
mode
10
100
Frequency(MHz)
ACM3225-161-2P
Common mode
Common mode
100
Differential
mode
10
1
1
10
100
Frequency(MHz)
10000
10000
1000
1000
1000
1000
100
10
1
1
Differential
mode
10
100
1000
Frequency(MHz)
10
1
1
Differential
mode
10
100
1000
Frequency(MHz)
Common mode
100
10
1
1
Differential
mode
10
100
1000
Frequency(MHz)
Impedance(Ω)
100 Common mode
Impedance(Ω)
10
Impedance(Ω)
Impedance(Ω)
Common mode
10
100
Frequency(MHz)
1000
ACM3225-102-2P
1000
100
Differential
mode
1
1
1000
ACM3225-271-2P
10000
Differential
mode
10
100
1000
Frequency(MHz)
1
1
10000
1000
1000
10
ACM2520-102-2P
10000
Common mode
Common mode
100
Differential
mode
10
100
1000
Frequency(MHz)
ACM2520-601-2P
100
1
1
10
Differential
mode
10
100
1000
Frequency(MHz)
10000
10000
1
1
10
Differential
mode
10
100
1000
Frequency(MHz)
Common mode
100
Impedance(Ω)
10
100
Common-mode
Impedance(Ω)
Common mode
Impedance(Ω)
100
Impedance(Ω)
10000
Impedance(Ω)
10000
Impedance(Ω)
10000
Impedance(Ω)
10000
Common mode
100
10
Differential mode
1
1
10
100
Frequency(MHz)
1000
MEASURING CIRCUITS
2-LINE
Common mode
HP4291A
Differential mode
HP4291A
• All specifications are subject to change without notice.
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TYPICAL ELECTRICAL CHARACTERISTICS
IMPEDANCE vs. FREQUENCY CHARACTERISTICS
ACM2520-801-3P
ACM4532-102-3P
10000
Impedance(Ω)
Impedance(Ω)
1000 Common mode
1000 Common mode
100
10
1
1
Differential
mode
10
100
Frequency(MHz)
1000
100
10
Differential mode
1
1
10
100
Frequency(MHz)
1000
MEASURING CIRCUITS
3-LINE
Common mode
HP4291A
Differential mode
HP4291A
• All specifications are subject to change without notice.
008-02 / 20100405 / e9712_acm.fm
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