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EMI Noise Suppression

Noise suppression has become an important issue, especially regarding electromagnetic interference (EMI) and electromagnetic compatibility (EMC). Murata provides engineers with complete support, including products and design-simulation software solutions based on expertise achieved through extensive on-site experience. This enables Murata to provide noise suppression solutions for a broad array of applications.

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Part #

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

BLM21SN300SN1D
Murata Electronics
1: 0,172 €
51.803In Stock
52.000Expected 14/04/2026

Mfr. Part No.
BLM21SN300SN1D

Mouser Part No
81-BLM21SN300SN1D

Murata Electronics

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

Learn More

Datasheet

51.803In Stock

52.000Expected 14/04/2026

Cut Tape

0,172 €

0,12 €

0,104 €

0,094 €

View

Reel

0,042 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM21SP102BH1D
Murata Electronics
1: 0,318 €
31.407In Stock

Mfr. Part No.
BLM21SP102BH1D

Mouser Part No
81-BLM21SP102BH1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

31.407In Stock

Cut Tape

0,318 €

0,224 €

0,194 €

0,163 €

View

Reel

0,087 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 150 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 110 OHM Alternate Sizing Guide Below

BLM21SP111SH1D
Murata Electronics
1: 0,275 €
28.967In Stock

Mfr. Part No.
BLM21SP111SH1D

Mouser Part No
81-BLM21SP111SH1D

Murata Electronics

Ferrite Beads 110 OHM Alternate Sizing Guide Below

Learn More

Datasheet

28.967In Stock

Cut Tape

0,275 €

0,179 €

0,157 €

0,141 €

View

Reel

0,074 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 110 OHM Alternate Sizing Guide Below

BLM21SP111SN1D
Murata Electronics
1: 0,258 €
23.616In Stock
20.000Expected 13/03/2026

Mfr. Part No.
BLM21SP111SN1D

Mouser Part No
81-BLM21SP111SN1D

Murata Electronics

Ferrite Beads 110 OHM Alternate Sizing Guide Below

Learn More

Datasheet

23.616In Stock

20.000Expected 13/03/2026

Cut Tape

0,258 €

0,18 €

0,157 €

0,139 €

View

Reel

0,068 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 330 OHM Alternate Sizing Guide Below

BLM21SP331SN1D
Murata Electronics
1: 0,258 €
25.596In Stock

Mfr. Part No.
BLM21SP331SN1D

Mouser Part No
81-BLM21SP331SN1D

Murata Electronics

Ferrite Beads 330 OHM Alternate Sizing Guide Below

Learn More

Datasheet

25.596In Stock

Cut Tape

0,258 €

0,18 €

0,157 €

0,139 €

View

Reel

0,068 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 600 OHM 2.3A

BLM21SP601SZ1D
Murata Electronics
1: 0,172 €
27.468In Stock

Mfr. Part No.
BLM21SP601SZ1D

Mouser Part No
81-BLM21SP601SZ1D

Murata Electronics

Ferrite Beads 600 OHM 2.3A

Learn More

Datasheet

27.468In Stock

Cut Tape

0,172 €

0,144 €

0,133 €

0,126 €

View

Reel

0,083 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: 0,318 €
36.311In Stock
75.000On Order

Mfr. Part No.
BLM31KN471SN1L

Mouser Part No
81-BLM31KN471SN1L

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

36.311In Stock

75.000On Order

Cut Tape

0,318 €

0,225 €

0,195 €

0,175 €

View

Reel

0,086 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2.500

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 33 OHM 25% Alternate Sizing Guide Below

BLM31PG330SN1L
Murata Electronics
1: 0,241 €
62.210In Stock

Mfr. Part No.
BLM31PG330SN1L

Mouser Part No
81-BLM31P330S

Murata Electronics

Ferrite Beads 33 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

62.210In Stock

Cut Tape

0,241 €

0,136 €

0,103 €

0,092 €

Reel

0,077 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Single Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 390 OHM 25% Alternate Sizing Guide Below

BLM31PG391SN1L
Murata Electronics
1: 0,258 €
41.663In Stock
30.000Expected 11/05/2026

Mfr. Part No.
BLM31PG391SN1L

Mouser Part No
81-BLM31P391S

Murata Electronics

Ferrite Beads 390 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

41.663In Stock

30.000Expected 11/05/2026

Cut Tape

0,258 €

0,184 €

0,16 €

0,143 €

View

Reel

0,07 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Single Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

BLM31PG121SH1L
Murata Electronics
1: 0,31 €
13.937In Stock
24.000On Order

Mfr. Part No.
BLM31PG121SH1L

Mouser Part No
81-BLM31PG121SH1L

Murata Electronics

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

13.937In Stock

24.000On Order

Cut Tape

0,31 €

0,218 €

0,188 €

0,169 €

View

Reel

0,085 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Inductor Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

BLM31PG601SN1L
Murata Electronics
1: 0,267 €
29.151In Stock
149.800Expected 14/04/2026

Mfr. Part No.
BLM31PG601SN1L

Mouser Part No
81-BLM31PG601SN1

Murata Electronics

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

29.151In Stock

149.800Expected 14/04/2026

Cut Tape

0,267 €

0,188 €

0,163 €

0,146 €

View

Reel

0,07 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Single Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

BLM31SN500SN1L
Murata Electronics
1: 0,335 €
33.964In Stock
41.565Expected 25/02/2026

Mfr. Part No.
BLM31SN500SN1L

Mouser Part No
81-BLM31SN500SN1L

Murata Electronics

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

Learn More

Datasheet

33.964In Stock

41.565Expected 25/02/2026

Cut Tape

0,335 €

0,233 €

0,202 €

0,181 €

View

Reel

0,09 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

Ferrite Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 50 OHM 25% Alternate Sizing Guide Below

BLM31SN500SZ1L
Murata Electronics
1: 0,344 €
18.302In Stock
60.000Expected 14/04/2026

Mfr. Part No.
BLM31SN500SZ1L

Mouser Part No
81-BLM31SN500SZ1L

Murata Electronics

Ferrite Beads 50 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

18.302In Stock

60.000Expected 14/04/2026

Cut Tape

0,344 €

0,243 €

0,21 €

0,187 €

View

Reel

0,096 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

Ferrite Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 180 OHM 25% Alternate Sizing Guide Below

BLM41PG181SN1L
Murata Electronics
1: 0,344 €
15.673In Stock
10.000Expected 28/05/2026

Mfr. Part No.
BLM41PG181SN1L

Mouser Part No
81-BLM41P181S

Murata Electronics

Ferrite Beads 180 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

15.673In Stock

10.000Expected 28/05/2026

Cut Tape

0,344 €

0,24 €

0,208 €

0,186 €

View

Reel

0,095 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2.500

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Single Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below

BLM41PG102SN1L
Murata Electronics
1: 0,344 €
39.251In Stock

Mfr. Part No.
BLM41PG102SN1L

Mouser Part No
81-BLM41PG102SN1L

Murata Electronics

Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

39.251In Stock

Cut Tape

0,344 €

0,24 €

0,208 €

0,186 €

View

Reel

0,095 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2.500

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Single Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

EMI Filter Circuits 40 DB 50V 15A

BNX005-11
Murata Electronics
1: 8,57 €
1.493In Stock

Mfr. Part No.
BNX005-11

Mouser Part No
81-BNX005-11

Murata Electronics

EMI Filter Circuits 40 DB 50V 15A

Learn More

Datasheet

1.493In Stock

8,57 €

7,65 €

7,02 €

6,72 €

View

Min.: 1
Mult.: 1

EMI Filter Circuits

- 40 C

+ 85 C

Through Hole

Bulk

EMI Filter Circuits 40 DB 50V 15A LEADED

BNX012-01
Murata Electronics
1: 3,40 €
4.321In Stock
4.200Expected 13/07/2026

Mfr. Part No.
BNX012-01

Mouser Part No
81-BNX012-01

Murata Electronics

EMI Filter Circuits 40 DB 50V 15A LEADED

Learn More

Datasheet

4.321In Stock

4.200Expected 13/07/2026

3,40 €

2,89 €

2,61 €

2,50 €

View

Min.: 1
Mult.: 1

EMI Filter Circuits

EMI Network Filter Arrays

Block Type Filter

- 55 C

+ 125 C

Radial

Bulk

EMI Filter Circuits 1.0 UF 50V 15A

BNX012H01
Murata Electronics
1: 5,07 €
2.451In Stock

Mfr. Part No.
BNX012H01

Mouser Part No
81-BNX012-H01

Murata Electronics

EMI Filter Circuits 1.0 UF 50V 15A

Learn More

Datasheet

2.451In Stock

5,07 €

4,14 €

3,82 €

3,59 €

View

Min.: 1
Mult.: 1

EMI Filter Circuits

EMI Network Filter Arrays

Block Type Filter

- 55 C

+ 125 C

Radial

Bulk

EMI Filter Circuits 40 DB 25V 15A LEADED

BNX016-01
Murata Electronics
1: 3,23 €
4.724In Stock
3.000Expected 02/06/2026

Mfr. Part No.
BNX016-01

Mouser Part No
81-BNX016-01

Murata Electronics

EMI Filter Circuits 40 DB 25V 15A LEADED

Learn More

Datasheet

4.724In Stock

3.000Expected 02/06/2026

3,23 €

2,82 €

2,59 €

2,49 €

View

Min.: 1
Mult.: 1

EMI Filter Circuits

EMI Network Filter Arrays

Block Type Filter

- 40 C

+ 125 C

Radial

Bulk

EMI Filter Circuits 4.7 UF 50V 20A

BNX024H01L
Murata Electronics
1: 5,10 €
2.896In Stock
7.990On Order

Mfr. Part No.
BNX024H01L

Mouser Part No
81-BNX024H01L

Murata Electronics

EMI Filter Circuits 4.7 UF 50V 20A

Learn More

Datasheet

2.896In Stock

7.990On Order

Cut Tape

5,10 €

4,88 €

4,39 €

3,74 €

Reel

2,80 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits

EMI Network Filter Arrays

Block Type Filter

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

EMI Filter Circuits 10.0 UF 25V 20A

BNX025H01L
Murata Electronics
1: 4,97 €
3.649In Stock
3.439Expected 27/02/2026

Mfr. Part No.
BNX025H01L

Mouser Part No
81-BNX025H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 25V 20A

Learn More

Datasheet

3.649In Stock

3.439Expected 27/02/2026

Cut Tape

4,97 €

4,06 €

3,74 €

3,52 €

Reel

2,80 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits

EMI Network Filter Arrays

Block Type Filter

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: 4,97 €
1.347In Stock

Mfr. Part No.
BNX029-01L

Mouser Part No
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

Learn More

Datasheet

1.347In Stock

Cut Tape

4,97 €

4,06 €

3,74 €

3,52 €

Reel

2,98 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits

EMI Network Filters

Block Type Filter

- 40 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters 90 OHM 100MHZ 100MA

DLM0NSN900HY2D
Murata Electronics
1: 0,086 €
57.778In Stock
60.000Expected 14/04/2026

Mfr. Part No.
DLM0NSN900HY2D

Mouser Part No
81-DLM0NSN900HY2D

Murata Electronics

Common Mode Chokes / Filters 90 OHM 100MHZ 100MA

Learn More

Datasheet

57.778In Stock

60.000Expected 14/04/2026

Cut Tape

0,086 €

0,064 €

0,056 €

0,052 €

View

Reel

0,034 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10.000

Common Mode Chokes

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters 90 OHM 50V

DLW21HN900SQ2L
Murata Electronics
1: 0,301 €
25.718In Stock
51.326On Order

Mfr. Part No.
DLW21HN900SQ2L

Mouser Part No
81-DLW21HN900SQ2L

Murata Electronics

Common Mode Chokes / Filters 90 OHM 50V

Learn More

Datasheet

25.718In Stock

51.326On Order

Cut Tape

0,301 €

0,246 €

0,214 €

0,202 €

Reel

0,146 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

Common Mode Chokes

Wirewound

- 40 C

+ 85 C

SMD/SMT

PCB Mount

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters 90 OHM 50V

DLW21SN900SQ2L
Murata Electronics
1: 0,37 €
22.206In Stock
150.500On Order

Mfr. Part No.
DLW21SN900SQ2L

Mouser Part No
81-DLW21SN900SQ2L

Murata Electronics

Common Mode Chokes / Filters 90 OHM 50V

Learn More

Datasheet

22.206In Stock

150.500On Order

Cut Tape

0,37 €

0,301 €

0,263 €

0,248 €

Reel

0,187 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2.000

Common Mode Chokes

Wirewound

- 40 C

+ 85 C

SMD/SMT

PCB Mount

Reel, Cut Tape, MouseReel

EMI Noise Suppression

Types of Filters

Customer Service Office

Company

Resources

Support

3 Terminal Low ESL Type
AEC-Q200
Automotive Chip Capacitor Block LC Combined Type Feedthrough Capacitor and Ferrite Beads
Block Type Filter
Chip Capacitor Block LC Combined Type
Chip Ferrite Bead
Chip Ferrite Bead for Automotive
Chip Ferrite Bead Inductor Type
Chip Ferrite Beads Array
Chip Ferrite Bead Single Type
Chip Noise Filter
Common Mode Choke Coil
Common Mode Choke Coil Film Type
Common Mode Choke Coil Film Type (Array)
Common Mode Choke Coil for Automotive
Common Mode Choke for Automotive Power Line
Common Mode Choke Noise Filter
Differential Signal Line Filter
Film
General Purpose Low ESL Capacitor