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Selection Guide of EMI Filters
!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
Start
Ground Condition
Ground Condition
Signal Freq. and Noise
DC Power Line
Headphone Line
Poor
Good
Poor
Good
Separate
Mixed
High Speed Signal Line
General Signal Line
Type of Circuit
Arrays
Common Mode Choke Coils
Combined LC T Filter
Capacitor Array
Capacitor Type
Capacitor Type
Combined LC T Filter
Combined LC
Filter
Common Mode
Choke Coils
3-terminal Capacitors
Chip Ferrite Beads
3-terminal Capacitors
Chip Ferrite Beads
3-terminal Capacitors
Chip Ferrite Beads
Combined LC T Filter
Arrays
Common Mode Choke Coils
Arrays
Combined RC Filter
Combined RC Array
1008
DLM2HG
600
Ω
0201
BLM03A
10–120
Ω
0603
BLM18P
0.5–3A
0805
BLM21P
1.5–6A
0603
NFM18P
2A
0805
NFM21P
2–4A
0402
BLM15A
10–1000
Ω
0603
NFM18C
22–22000pF
0805
NFM21C
22–22000pF
0402
BLM15B
5–1000
Ω
0603
BLM18B
5–2500
Ω
0603
NFL18ST
100–500MHz
0504
DLP11S
90–200
Ω
1206
DLP31S
120–550
Ω
0603
NFL18SP
150–500MHz
1206
BLM31P
1.5–6A
1806
BLM41P
1–6A
1806
NFM41P
2A
1206
NFE31P
6A
2706
NFE61P
2A
0603
BLM18A/R
120–1000
Ω
0603
BLM18HG/HK/EG
100–1000
Ω
0805
BLM21A/R
120–1000
Ω
1205
NFM3DC
22–22000pF
1206
NFE31P
22–2200pF
2706
NFE61P
33–4700pF
0804
BLA2AA
120–1000
Ω
1206
NFA31C
22–22000pF
0603
BLM18HD/HB
120–1000
Ω
0805
BLM21B
5–2700
Ω
0804
BLA2AB
10–1000
Ω
1206
BLA31B
120–1000
Ω
0805
DLW21S
67–370
Ω
0805
DLW21H
67–180
Ω
1206
DLW31S
90–2200
Ω
2020/2014
DLW5BS(AH)
190–4000
Ω
0805
NFL21S
20–500MHz
1206
NFW31S
10–500MHz
0805
NFR21G
22–100
Ω
10–100pF
2020/2014
DLW5BS(AH)
0.2–5A
190–4000
Ω
1206
BLA31A
30–1000
Ω
1206
DLP31D
90–440
Ω
1206
NFA31G
6.8–100
Ω
10–100pF
Impedance is typical value at 100MHz.
High Current EMI Filters
Standard EMI Filters
EMI Filters for High Speed Signal Lines
Dimensions in inches
2
Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specificaions before ordering.
!Note
C31E9.pdf 03.3.12
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