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001-01 / 20030823 / e9613_acf.fm
EMC Components
ACF Series ACF321825, 451832 Types
3-Terminal Filters for Signal Line and DC Power Line
SMD
ACF451832 TYPE
SHAPES AND DIMENSIONS/CIRCUIT DIAGRAM
RECOMMENDED PC BOARD PATTERN
REFLOW SOLDERING
3
4.5±0.4
3.2±0.3
Terminal
electrode
1
0.4
1
2
1
3
Insulation
resin
GND
2
0.35
Ferrite
GND terminal
No polarity
1.94
1.8±0.2
1.75
Dimensions in mm
1
3.5
Resist
Land pattern
1.75
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Part No.
ACF451832-333-T
ACF451832-223-T
ACF451832-153-T
ACF451832-103-T
ACF451832-682-T
ACF451832-472-T
ACF451832-332-T
ACF451832-222-T
ACF451832-152-T
ACF451832-102-T
ACF451832-681-T
ACF451832-471-T
ACF451832-331-T
ACF451832-221-T
ACF451832-151-T
ACF451832-101-T
ACF451832-680-T
ACF451832-470-T
ACF451832-330-T
ACF451832-220-T
Maximum attenuation
frequency
(MHz)
12
15
18
23
35
40
50
60
75
90
105
125
150
190
230
280
340
410
500
600
25dB attenuation
frequency range
(MHz)
7 to 60
9 to 65
11 to 70
15 to 75
20 to 85
25 to 95
35 to 100
40 to 110
50 to 130
65 to 150
75 to 160
95 to 180
115 to 205
150 to 250
190 to 290
235 to 335
295 to 395
360 to 460
450 to 550
550 to 650
Rated voltage Edc Rated current
(V)max.
(mA)max.
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
DC resistance
(Ω)max.
[Terminal No.1 to 3]
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
Insulation resistance
(MΩ)min.
[Terminal No.1 to 2/No.2 to 3]
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
TYPICAL ELECTRICAL CHARACTERISTICS
ATTENUATION vs. FREQUENCY CHARACTERISTICS
0
10
Attenuation(dB)
20
30
40
50
60
22 15 10 68 47
33
22
3 3 3 2 2
2
2
33
3
MEASURING CIRCUIT
S.G.
50Ω
50Ω
ACF Series
L.M.
1
101
1
15
1 33
22
1
1 68
47
2
2 15
10
0
22
0
330
680
47
1
3
10
30
100
Frequency (MHz)
300
1000
• All specifications are subject to change without notice.
TDK [ TDK ELECTRONICS ]
