(2/4)
ACF321825 TYPE
SHAPES AND DIMENSIONS/CIRCUIT DIAGRAM
3.2± 0.3
Terminal
electrode
RECOMMENDED PC BOARD PATTERN
REFLOW SOLDERING
2.5±0.25
2
0.6
0.45
Ferrite
GND terminal
GND
2
No polarity
Dimensions in mm
• Dimension without tolerance
is reference value.
1.94
1
3
Insulation
resin
1
3
1.8±0.2
1.4
0.6
2.2
1.4
Resist
Land pattern
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Part No.
ACF321825-223
ACF321825-103
ACF321825-682
ACF321825-472
ACF321825-332
ACF321825-222
ACF321825-152
ACF321825-102
ACF321825-681
ACF321825-471
ACF321825-331
ACF321825-221
ACF321825-151
ACF321825-101
ACF321825-680
ACF321825-470
ACF321825-330
ACF321825-220
25dB attenuation
frequency range
(MHz)
11 to 55
17 to 60
22 to 75
30 to 85
37 to 90
45 to 105
60 to 115
80 to 140
95 to 150
120 to 180
130 to 210
170 to 250
205 to 280
265 to 340
340 to 420
420 to 500
500 to 600
600 to 700
Rated voltage Edc
(V)max.
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
Rated current
(mA)max.
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
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
TYPICAL ELECTRICAL CHARACTERISTICS
ATTENUATION vs. FREQUENCY CHARACTERISTICS
0
MEASURING CIRCUIT
S.G.
50Ω
ACF Series
L.M.
Attenuation (dB)
22
3
10
3
68 47
33
2 2
2
20
30
40
50
1
3
10
30
100
Frequency (MHz)
300
1000
• All specifications are subject to change without notice.
001-02 / 20110928 / e9613_acf.fm
50Ω
10
0
22
0
330
47
0
681
101
151
22
1
331
471
68
152
2
10
2
22
TDK [ TDK ELECTRONICS ]
