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Noise Filters VOL.01
14
Casing Type
Metal box
bLF-240/240P, LF-250/250P
bLF-260N
IN
2-6.5
M4
4-M6
2-6.5 9.0
F
E
D
A
B
C
GG
H
I
315max.
300
±0.5
285max.
30max.
M6
M4
(Earth)
2-4.5 7 oval hole
2-4.5
130max.
115
±
0.5
90max.
40
±1.0
50.0
±
1.0
Label
G
IN Label E
bLF-240, 240P, 240U, 250, 250P
bLF-260N Series
IN
E
IN
E
Circuit Diagram
Common mode
Level
meter
P
Z 0
P: Power divider
Z 0 : 50
EMI/EMC
filter
Oscillator
Measuring Circuit
Shape and Dimensions
Model
A
B
C
D
E
F
G
H
I
LF-240/240P
210 190 170 120 100
60
29
75
40
LF-240U
240 220 200
90
70
40
30
80
40
LF-250/250P
240 220 200
90
70
40
30
80
40
LF-260N
315 300 285 130 115
50
30
90
50
LF Series
Large Current Type
LF Series
Large Current Type
LF-240 Common mode
0.1
80
70
60
50
40
30
20
10
0
0.2 0.3
0.5
1.0
2.0 3.0
5.0
10
20
LF-250 Common mode
Insertion
Loss
(dB)
Frequency (MHz)
Attenuation (Static Characteristics)
LF-240
250
40
1500
300
1
1.5
40
–20 to +45
3.2
LF-240P
250
40
2000
300
1
1.5
40
–20 to +45
3.2
LF-250
250
50
1500
300
1
1.5
40
–20 to +45
4.0
LF-250P
250
50
2000
300
1
1.5
40
–20 to +45
4.0
LF-260N
250
60
1500
300
1
1.5
30
–20 to +45
6.5
LF-240U
250
40
1500
300
1
1.5
40
–20 to +45
UL
3.2
Rated
Withstanding Insulation resistance
Leakage
Voltage
Self-
Operating
Model
voltage
current
voltage 1 min.,
500VDC 1 min.,
current
drop
temperature temperature
Certified Weight
AC/DC (V)
AC/DC (A)
line to ground
250V/60Hz,
50Hz,
rise
range
standard
(kg)
AC (V)
(M ) min.
(mA) max.
(V) max.
(K) max.
(C)
[mm]
TV Rheinland
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LF-315 250 V, 60 HZ, THREE PHASE EMI FILTER
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相关代理商/技术参数
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