EMI Filters / EMI Suppression

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Power Supply Line Noise Suppression for Home Audio

Digital amplifiers are increasingly popular for home audio applications. In many cases, power is supplied from an AC outlet for home audio, and the conductive noise in the power supply cable is regulated under EMC standards. Therefore, it is necessary to prevent noise from leaking into the power supply line during audio playback. Here is an overview of noise problems in home audio cables and their solutions.

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Types of EMI Filters / EMI Suppression

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Part #

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM18SP300SN1D
Murata Electronics
1: ¥38.2
92,602In Stock

Mfr. Part #
BLM18SP300SN1D

Mouser Part #
81-BLM18SP300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

92,602In Stock

Cut Tape

¥38.2

¥26.6

¥23.1

¥20.8

View

Reel

¥9.8

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM21SP601SN1D
Murata Electronics
1: ¥51.5
451,604In Stock

Mfr. Part #
BLM21SP601SN1D

Mouser Part #
81-BLM21SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

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Datasheet

451,604In Stock

Cut Tape

¥51.5

¥36.2

¥31.6

¥28.2

View

Reel

¥12.6

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

EMI Filter Circuits 35 DB 50V 20A SMD

BNX022-01L
Murata Electronics
1: ¥810.6
13,068In Stock
13,600Expected 10/1/2026

Mfr. Part #
BNX022-01L

Mouser Part #
81-BNX022-01L

Murata Electronics

EMI Filter Circuits 35 DB 50V 20A SMD

Learn More

Datasheet

13,068In Stock

13,600Expected 10/1/2026

Cut Tape

¥810.6

¥661.1

¥609.6

¥574.7

Reel

¥435.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits

EMI Network Filter Arrays

LC Filter

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

EMI Filter Circuits 500M Ohm 100Volts 20A

BNX02301L
Murata Electronics
1: ¥868.7
12,159In Stock
12,400Expected 8/18/2026

Mfr. Part #
BNX02301L

Mouser Part #
81-BNX023-01L

Murata Electronics

EMI Filter Circuits 500M Ohm 100Volts 20A

Learn More

Datasheet

12,159In Stock

12,400Expected 8/18/2026

Cut Tape

¥868.7

¥709.2

¥654.4

¥616.2

Reel

¥466.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits

EMI Network Filter Arrays

LC Filter

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

EMI Filter Circuits 4.7 UF 50V 20A

BNX024H01L
Murata Electronics
1: ¥1,008.2
16,682In Stock

Mfr. Part #
BNX024H01L

Mouser Part #
81-BNX024H01L

Murata Electronics

EMI Filter Circuits 4.7 UF 50V 20A

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Datasheet

16,682In Stock

Cut Tape

¥1,008.2

¥898.6

¥798.9

¥754.1

Reel

¥541.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits

EMI Network Filter Arrays

LC Filter

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

EMI Filter Circuits 10.0 UF 25V 20A

BNX025H01L
Murata Electronics
1: ¥1,008.2
4,608In Stock
17,600On Order

Mfr. Part #
BNX025H01L

Mouser Part #
81-BNX025H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 25V 20A

Learn More

Datasheet

4,608In Stock

17,600On Order

Cut Tape

¥1,008.2

¥822.2

¥759.1

¥714.2

Reel

¥543.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits

EMI Network Filter Arrays

LC Filter

- 55 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

EMI Filter Circuits 10.0 UF 50V 20A

BNX026H01L
Murata Electronics
1: ¥1,136.1
23,764In Stock

Mfr. Part #
BNX026H01L

Mouser Part #
81-BNX026H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 50V 20A

Learn More

Datasheet

23,764In Stock

Cut Tape

¥1,136.1

¥926.8

¥823.9

¥780.7

Reel

¥611.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits

EMI Network Filter Arrays

LC Filter

- 55 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

EMI Filter Circuits 22.0 UF 16V 20A

BNX027H01L
Murata Electronics
1: ¥1,136.1
6,024In Stock

Mfr. Part #
BNX027H01L

Mouser Part #
81-BNX027H01L

Murata Electronics

EMI Filter Circuits 22.0 UF 16V 20A

Learn More

Datasheet

6,024In Stock

Cut Tape

¥1,136.1

¥926.8

¥853.8

¥802.3

Reel

¥612.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits

EMI Network Filter Arrays

LC Filter

- 55 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM02KX180SN1D
Murata Electronics
1: ¥41.5
43,000In Stock

Mfr. Part #
BLM02KX180SN1D

Mouser Part #
81-BLM02KX180SN1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

43,000In Stock

Cut Tape

¥41.5

¥29.2

¥25.4

¥22.8

View

Reel

¥10.6

MouseReel Available

Min.: 1
Mult.: 1

: 15,000

Ferrite Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters 100 OHM 300V 15A 2UH

PLT10HH101150PNL
Murata Electronics
1: ¥1,714.2
623In Stock
2,250On Order

Mfr. Part #
PLT10HH101150PNL

Mouser Part #
81-PLT10HH101150PNL

Murata Electronics

Common Mode Chokes / Filters 100 OHM 300V 15A 2UH

Learn More

Datasheet

623In Stock

2,250On Order

Cut Tape

¥1,714.2

¥1,430.1

¥1,323.8

¥1,269

Reel

¥1,182.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes

- 55 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters 10M OHM 100V 6A 20UH

PLT10HH1026R0PNL
Murata Electronics
1: ¥750.8
3,358In Stock
2,500Expected 12/21/2026

Mfr. Part #
PLT10HH1026R0PNL

Mouser Part #
81-PLT10HH1026R0PNL

Murata Electronics

Common Mode Chokes / Filters 10M OHM 100V 6A 20UH

Learn More

Datasheet

3,358In Stock

2,500Expected 12/21/2026

Cut Tape

¥750.8

¥617.9

¥571.4

¥539.8

Reel

¥493.3

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes

- 55 C

+ 105 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters 6 UH

PLT10HH401100PNL
Murata Electronics
1: ¥795.6
1,094In Stock
1,250Expected 12/22/2026

Mfr. Part #
PLT10HH401100PNL

Mouser Part #
81-PLT10HH401100PNL

Murata Electronics

Common Mode Chokes / Filters 6 UH

Learn More

Datasheet

1,094In Stock

1,250Expected 12/22/2026

Cut Tape

¥795.6

¥654.4

¥606.3

¥571.4

Reel

¥518.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes

- 55 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters 800 NH

PLT10HH450180PNL
Murata Electronics
1: ¥1,646.1
1,034In Stock

Mfr. Part #
PLT10HH450180PNL

Mouser Part #
81-PLT10HH450180PNL

Murata Electronics

Common Mode Chokes / Filters 800 NH

Learn More

Datasheet

1,034In Stock

Cut Tape

¥1,646.1

¥1,390.3

¥1,288.9

¥1,249.1

Reel

¥1,092.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes

- 55 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters 9 UH

PLT10HH501100PNL
Murata Electronics
1: ¥750.8
3,897In Stock

Mfr. Part #
PLT10HH501100PNL

Mouser Part #
81-PLT10HH501100PNL

Murata Electronics

Common Mode Chokes / Filters 9 UH

Learn More

Datasheet

3,897In Stock

Cut Tape

¥750.8

¥617.9

¥571.4

¥539.8

Reel

¥493.3

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes

- 55 C

+ 105 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters 14 UH 100V 6A

PLT10HH9016R0PNL
Murata Electronics
1: ¥750.8
2,095In Stock

Mfr. Part #
PLT10HH9016R0PNL

Mouser Part #
81-PLT10HH9016R0PNL

Murata Electronics

Common Mode Chokes / Filters 14 UH 100V 6A

Learn More

Datasheet

2,095In Stock

Cut Tape

¥750.8

¥617.9

¥571.4

¥539.8

Reel

¥493.3

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes

- 55 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18KG102SN1D
Murata Electronics
1: ¥16.6
244,553In Stock

Mfr. Part #
BLM18KG102SN1D

Mouser Part #
81-BLM18KG102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

244,553In Stock

Cut Tape

¥16.6

¥10.6

¥8.3

¥7.5

Reel

¥3.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

BLM18KG221SN1D
Murata Electronics
1: ¥16.6
534,762In Stock

Mfr. Part #
BLM18KG221SN1D

Mouser Part #
81-BLM18KG221SN1D

Murata Electronics

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

534,762In Stock

Cut Tape

¥16.6

¥10.3

¥8.3

¥7.3

Reel

¥3.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

BLM18KG471SN1D
Murata Electronics
1: ¥16.6
142,615In Stock
120,000Expected 10/8/2026

Mfr. Part #
BLM18KG471SN1D

Mouser Part #
81-BLM18KG471SN1D

Murata Electronics

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

142,615In Stock

120,000Expected 10/8/2026

Cut Tape

¥16.6

¥10.6

¥8.3

¥7.5

Reel

¥3.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

BLM18KG601SN1D
Murata Electronics
1: ¥16.6
481,797In Stock
880,000On Order

Mfr. Part #
BLM18KG601SN1D

Mouser Part #
81-BLM18KG601SN1D

Murata Electronics

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

481,797In Stock

880,000On Order

Cut Tape

¥16.6

¥10.6

¥8.3

¥7.5

Reel

¥3.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 22 OHM Alternate Sizing Guide Below

BLM18SD220SN1D
Murata Electronics
1: ¥28.2
47,688In Stock
96,000On Order

Mfr. Part #
BLM18SD220SN1D

Mouser Part #
81-BLM18SD220SN1D

Murata Electronics

Ferrite Beads 22 OHM Alternate Sizing Guide Below

Learn More

Datasheet

47,688In Stock

96,000On Order

Cut Tape

¥28.2

¥20.4

¥17.8

¥15.9

View

Reel

¥7.5

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

BLM21SN300SN1D
Murata Electronics
1: ¥33.2
139,918In Stock
100,000Expected 9/21/2026

Mfr. Part #
BLM21SN300SN1D

Mouser Part #
81-BLM21SN300SN1D

Murata Electronics

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

Learn More

Datasheet

139,918In Stock

100,000Expected 9/21/2026

Cut Tape

¥33.2

¥23.6

¥20.6

¥18.4

View

Reel

¥8

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM21SP102SN1D
Murata Electronics
1: ¥51.5
161,087In Stock

Mfr. Part #
BLM21SP102SN1D

Mouser Part #
81-BLM21SP102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

161,087In Stock

Cut Tape

¥51.5

¥36.2

¥31.6

¥28.2

View

Reel

¥12.6

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 110 OHM Alternate Sizing Guide Below

BLM21SP111SN1D
Murata Electronics
1: ¥51.5
52,398In Stock
216,000On Order

Mfr. Part #
BLM21SP111SN1D

Mouser Part #
81-BLM21SP111SN1D

Murata Electronics

Ferrite Beads 110 OHM Alternate Sizing Guide Below

Learn More

Datasheet

52,398In Stock

216,000On Order

Cut Tape

¥51.5

¥36.2

¥31.6

¥28.2

View

Reel

¥12.6

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 330 OHM Alternate Sizing Guide Below

BLM21SP331SN1D
Murata Electronics
1: ¥51.5
39,637In Stock

Mfr. Part #
BLM21SP331SN1D

Mouser Part #
81-BLM21SP331SN1D

Murata Electronics

Ferrite Beads 330 OHM Alternate Sizing Guide Below

Learn More

Datasheet

39,637In Stock

Cut Tape

¥51.5

¥36.2

¥31.6

¥28.2

View

Reel

¥13.3

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

BLM31KN102SN1L
Murata Electronics
1: ¥66.4
67,152In Stock
87,500Expected 10/26/2026

Mfr. Part #
BLM31KN102SN1L

Mouser Part #
81-BLM31KN102SN1L

Murata Electronics

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

Learn More

Datasheet

67,152In Stock

87,500Expected 10/26/2026

Cut Tape

¥66.4

¥46

¥40

¥35.7

Reel

¥19.3

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel