Products Guide / Effective Frequency Range
Outlines of EMI Suppression Filter (EMIFILr) for DC Line
3
6
1
Chip Ferrite Beads
Part Numbering / Impedance Map / BLM Series Line Up
BLM03A/15A/18A/21A/31A/41A
BLM15B/18B/21B/31B
BLM18R/21R
BLM18P/21P/31P/41P
18
27
41
45
For GHz Range Noise Suppression BLM18H/18E
Array Type BLA2AA/2AB/31A/31B
12
53
60
2
Chip EMIFILr
Part Numbering
Capacitor Type NFM18C/21C/3DC/41C
Capacitor Array NFA31C
RC Combined Type NFR21G
RC Combined Array Type NFA31G
70
74
75
79
LC Combined Monolithic Type NFL18ST/18SP/21SP
LC Combined Winding Type NFW31S
LC Combined Type for Large Current NFE31P/61P/61H
For Large Current NFM18P/21P/3DP/41P
66
81
84
86
89
3
Chip EMIGUARDr (EMIFILr
with Varistor Function
)
Part Numbering
VFM41R
94
93
4
Chip Common Mode Choke Coils
Part Numbering
Film Type DLP11S/DLP31S
Film Type Array DLP31D
Monolithic Type DLM2HG
97
99
100
Winding Type DLW21S/DLW21H/DLW31S
Winding Type for Large Current DLW5AH/DLW5BS
96
101
104
5
Lead Type EMI Suppression Filters (EMIFILr)
Ferrite Beads Inductors
Part Numbering
Block Type EMIFILr
BL01/BL02/BL03
105
BNX
Disc Type EMIFILr
Part Numbering
Common Mode Choke Coils
DSp6/Broad Band DSp9N/Heavy-duty Type DSp9H
109
PLT09H
EMIGUARDr (EMIFILr with Varistor Function)
Part Numbering
VFR3V/VFS6V/VFS9V
117
125
Part Numbering
127
6
Microwave Absorbers
Part Numbering
EA10/EA20/EA21
130
129
!Caution
/ Notice
Soldering and Mounting
Packaging
Chip EMI Suppression Filter Design Kits
Outlines of Major Noise Regulation Standards
Noise Suppression Principles by DC EMIFILr
Murata EMI Filter Selection Simulator
132
134
143
147
152
157
161
Recycled Pa
Product Guide
Type
Inductor
Type
For Digital
Interfaces
Series
BLM18R
BLM21R
Standard
BLM03A
BLM15A
BLM18A
BLM21A
BLM31A
BLM41A
BLA2AA
(4 circuits array)
BLA31A
(4 circuits array)
For High
Speed Signals
BLM15B
BLM18B
BLM21B
BLM31B
BLA2AB
(4 circuits array)
BLA31B
(4 circuits array)
For High
Current
BLM18P
BLM21P
BLM31P
BLM41P
For GHz Range
Noise Suppression
BLM18HG
BLM18HB
BLM18HD
Dimensions
(mm)
1.6
0.8
Effective Frequency Range
10kHz 100kHz 1MHz 10MHz100MHz 1GHz 10GHz
EIA Code
0603
0805
0201
0402
0603
0805
1206
1806
0804
1206
0402
0603
0805
1206
0804
1206
0603
0805
1206
1806
0603
0603
0603
2.0
1.25
0.6
0.3
1.0
0.5
1.6
0.8
2.0
1.25
3.2
1.6
4.5
1.6
2.0
1.0
3.2
1.6
1.0
0.5
1.6
0.8
2.0
1.25
3.2
1.6
2.0
1.0
3.2
1.6
1.6
0.8
2.0
1.25
3.2
1.6
4.5
1.6
1.6
0.8
1.6
0.8
1.6
0.8
BLM18HK
BLM18EG
1.6
0.8
0603
0603
1.6
0.8
Continued on the following pa
Continued from the preceding page.
Type
Capacitor
Type
Standard
Type
Series
NFM18C
NFM21C
NFM3DC
NFM41C
NFA31C
(4 circuits array)
Dimensions
(mm)
1.6
0.8
Effective Frequency Range
10kHz 100kHz 1MHz 10MHz100MHz 1GHz 10GHz
EIA Code
0603
0805
1205
1806
1206
0603
0603
0805
0805
1206
1206
0603
0805
1205
1806
1206
2706
1806
2.0
1.25
3.2
1.25
4.5
1.6
3.2
1.6
For Signal
Lines
NFL18ST
NFL18SP
NFL21S
NFR21G
NFA31G
(4 circuits array)
NFW31S
1.6
0.8
1.6
0.8
2.0
1.25
2.0
1.25
3.2
1.6
3.2
1.6
For High
Current
NFM18P
NFM21P
NFM3DP
NFM41P
1.6
0.8
2.0
1.25
3.2
1.25
4.5
1.6
T Filter for
High Current
NFE31P
NFE61P(H)
3.2
1.6
6.8
1.6
With Varistor
Function
Common Mode
Choke Coils
VFM41R
4.5
1.6
DLP11S
DLP31S
DLP31D
DLM2HG
DLW21S
1.25
1.0
0504
1206
1206
1008
0805
3.2
1.6
3.2
1.6
2.5
2.0
2.0
1.2
DLW21H
DLW31S
DLW5BS
(DLW5AH)
2.0
1.2
0805
1206
2020
3.2
1.6
5.0
5.0
(3.6)
(2014)
Continued on the following pa
4