DC COMMON MODE CHOKES
15
1. Effective in wide frequency band (Several MHz to several 100MHz)
2. Even if complete safty ground is impossible in circuit design, effect is expected.
3. Less influence when installing on high frequency signal line at Max. 10MHz
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2000
1800
1400
1600
1200
1000
600
800
400
200
0
100M 1G 1.8G10M1M
FREQUENCY (Hz)
IMPED
ANCE (
Ω
)
3200-011
010
009
008
007
006
K Impedance Characteristics—  ïД¼ïµ› Q
8.0
7.03.516.5MAX.
16.5MAX.
11.0MAX.
3.5MAX.
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DIMENSIONS (mm)
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M OUTLINE—“A
1. DC common mode chokes %$¯ÞïޔŽ㔫
1. Small size, inexpensive type
2. It is effective to the noise countermeasure for DC line noise and immunity for
multi-function telephone, PBX and FAX.
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1. Multi function telephone
2. PBX
3. FAX
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0
8.3
16.6
25.0
33.3
41.6
49.9
58.2
66.5
83.2
75.0
10M1M100K10K1K
FREQUENCY (Hz)
IMPED
ANCE (k
Ω
)
1325-T006
1325-T105
1325-T104
1325-T103
1325-T102
1325-T101
K Impedance Characteristics—  ïД¼ïµ› Q
2
14
3
S
S
Schematics
A ¢ $
8.0
7.0
3.512.5MAX.
16.5MAX.
15.5MAX.
ø0.6
3.5MAX.
34
1 2
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DIMENSIONS (mm)
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K Specifications—“7
Type Inductance D.C.R. Rated current
¼Ê  ï¼«»ïµ Úv Å ¨?v
¢ 1-4)or(2-3) ¢ 1-4) (2-3)
@1kHz
3333-T101 Min.0.5mH Max.129mΩ 1.15A
3333-T102 Min.1.0mH Max.244mΩ 780mA
3333-T103 Min.2.0mH Max.441mΩ 720mA
3333-T104 Min.5.0mH Max.958mΩ 420mA
3333-T105 Min.8.0mH Max.1.52Ω 330mA
3333-T106 Min.10.0mH Max.2.04Ω 240mA
10.0
7.54.0
12.5MAX.
10.3MAX. 12.0MAX.
ø0.7
BM1012LF
DIMENSIONS (mm)
Ž GO $
2 3
1 4 SS
Schematics
A ¢ $
K Specifications—“7
Type Inductance Inductance D.C.R. Rated current
¼Ê  ï¼«»ïµ Balance Úv Å ¨?v
(1-2) (4-3)  ï¼«»ïµ (1-2) (4-3) ¢ 50/60Hz£
@1kHz çS @ 20°C
BM1012LF-B0R2 Min.0.2µH Max.150nH Max.14.3mΩ 3.9A
BM1012LF-B0R4 Min.0.48µH Max.180nH Max.16.3mΩ 3.25A
BM1012LF-B0R8 Min.0.88µH Max.200nH Max.18.0mΩ 3.2A
BM1012LF-B1R5 Min.1.57µH Max.230nH Max.20.0mΩ 3.0A
BM1012LF-B1R9 Min.1.90µH Max.250nH Max.23.8mΩ 2.75A
BM1012LF-B2R7 Min.2.69µH Max.280nH Max.27.0mΩ 2.5A