AC COMMON MODE CHOKES
9
M
OUTLINE
1. Common mode chokes for effective AC line noise prevention
1. AC
4-0.6
3.5
17.0MAX.
9.0
13.0MAX.
14.0
9.5MAX.
LF1290
DIMENSIONS (mm)
1. Small size and large inductance type
2. Exellent attenuation characteristics in low frequency
1.
2.
M
FEATURES
APPLICATION
1. Noise prevention for TV, VCR, AV, OA equipments
1. AVOA
100k
10k
1k
100
10k
100k
1M
10M
40M
FREQUENCY (Hz)
103
471
681
102
682
472
392
222
IMPED
ANCE (
)
K
Impedance Characteristics
2
1
3
4
S
S
2
1
3
4
S
S
Schematics
K
Specifications
Type
Inductance Inductance
D.C.R.
Rated current
Balance
(1-2) (4-3)
(1-2) (4-3)
50/60Hz
@1kHz
@ 20C
LF2020/LF2115-222
Min.2.2mH
Max.150H
Max.240m
1.3Arms
LF2020/LF2115-392
Min.3.9mH
Max.150H
Max.410m
1.0Arms
LF2020/LF2115-103
Min.10.0mH
Max.550H
Max.1.00
600mArms
LF2020/LF2115-183
Min.18.0mH
Max.600H
Max.1.63
500mArms
LF2020/LF2115-223
Min.22.0mH
Max.800H
Max.2.04
400mArms
LF2020/LF2115-333
Min.33.0mH
Max.800H
Max.3.42
300mArms
13.0
4-0.8
22.0MAX.
10.0
4.5
22.5MAX.
17.2MAX.
LF2020
DIMENSIONS (mm)
1. Low profile type of LF2020
1. LF2020
M
FEATURES
LF2115
APPLICATION
1. Noise prevention for TV, VCR, AV, OA equipments
1. AVOA
100k
1M
10k
1k
100
10
1
10k
100k
1k
1M
10M
40M
FREQUENCY (Hz)
IMPED
ANCE (
)
333
223
183
103
392
222
K
Impedance Characteristics
2
1
4
S
S
3
Schematics
0.8
13.0
17.0
3.5
17.0MAX.
22.0MAX.
22.0MAX.
LF2115
DIMENSIONS (mm)
K
Specifications
Type
Inductance Inductance
D.C.R.
Rated current
Balance
(1-2) (4-3)
(1-2) (4-3)
50/60Hz
@ 20C
LF1290-471
Min.470H
Max.50H
Max.150m
1.10Arms
LF1290-681
Min.680H
Max.50H
Max.250m
850mArms
LF1290-102
Min.1.0mH
Max.150H
Max.350m
650mArms
LF1290-222
Min.2.2mH
Max.150H
Max.700m
450mArms
LF1290-392
Min.3.9mH
Max.200H
Max.1.20
360mArms
LF1290-472
Min.4.7mH
Max.300H
Max.1.60
340mArms
LF1290-682
Min.6.8mH
Max.400H
Max.2.50
250mArms
LF1290-103
Min.10.0mH
Max.550H
Max.4.00
200mArms
2
1
4
S
S
3
or
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