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| LF-3100SF-1020 Datasheet, PDF (13/51 Pages) NEC – Noise Filters | |||
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| ◁ |
Casing Type
LF Series
Screw Terminal Type
[RoHS Compliant]
Metal box
Model
LF-220
LF-230
LF-230FU
LF-220N
LF-220P
LF-230N
LF-230P
Rated
voltage
AC/DC (V)
250
250
250
250
250
250
250
Rated
current
AC/DC (A)
20
30
30
20
20
30
30
Withstanding Insulation resistance Leakage
voltage 1 min., 500VDC 1 min., current
line to ground line to ground 250V/60Hz,
AC (V)
(Mâ²) min. (mA) max.
1500
300
1
1500
300
1
1500
300
1
1500
300
1
2000
300
1
1500
300
1
2000
300
1
Voltage
drop
50Hz,
(V) max.
Self-
temperature
rise
(K) max.
Operating
temperature
range
(ËC)
1.5
30
â20 to +55
1.5
30
â20 to +55
1.5
30
â20 to +55
1.5
30
â20 to +55
1.5
30
â20 to +55
1.5
30
â20 to +55
1.5
30
â20 to +55
Certified Weight
standard (kg)
1.2
1.2
UL 1.2
1.2
1.2
1.2
1.2
Shape and Dimensions
bLF-220, 220N, 220P, LF-230, 230N, 230P
4-4.5ø
á
á
IN Label E
á
á
4-M6
M4
bLF-230FU
160
144
130
á
á
IN Label E
á
á
4-4.5ø
4-M6
130
144
30
29
29
160
60
29
29
3FDPNNFOEFEUPSRVF /ÅN
NBYË-JOFUFSNJOBM .
Ë&BSUIUFSNJOBM .
60
30
[mm]
Circuit Diagram
bLF-220, 220P, 230, 230P
bLF-220N, 230N Series
bLF-230FU
á
á
á
IN
E
IN
á
á
á
á
á
á
E
IN
á
á
á
Measuring Circuit
bCommon mode
EMI/EMC
filter
P
Z0
Z0
P: Power divider Z 0 : 50â²
bNormal mode
EMI/EMC
filter
Z0
Z0
Z0
Z 0 : 50â²
Noise Filters VOL.11
13
Ë"MMTQFDJGJDBUJPOTJOUIJTDBUBMPHBOEQSPEVDUJPOTUBUVTPGQSPEVDUTBSFTVCKFDUUPDIBOHFXJUIPVUOPUJDF1SJPSUPUIFQVSDIBTF
QMFBTFDPOUBDU/&$50,*/GPSVQEBUFEQSPEVDUEBUB
Ë1MFBTFSFRVFTUGPSBTQFDJGJDBUJPOTIFFUGPSEFUBJMFEQSPEVDUEBUBQSJPSUPUIFQVSDIBTF
Ë#FGPSFVTJOHUIFQSPEVDUJOUIJTDBUBMPH
QMFBTFSFBE1SFDBVUJPOTBOEPUIFSTBGFUZQSFDBVUJPOTMJTUFEJOUIFQSJOUFEWFSTJPODBUBMPH
/'470-&&
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