Passive Components – Mouser Denmark

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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 Passive Components

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Part #

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: 2,57 kr.
167In Stock
175.000On Order

Mfr. Part No.
BLM31KN471SN1L

Mouser Part No
81-BLM31KN471SN1L

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

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Datasheet

167In Stock

175.000On Order

Cut Tape

2,57 kr.

1,78 kr.

1,54 kr.

1,38 kr.

Reel

0,858 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

BLM31SN500SN1L
Murata Electronics
1: 2,57 kr.
75.008In Stock
225.000On Order

Mfr. Part No.
BLM31SN500SN1L

Mouser Part No
81-BLM31SN500SN1L

Murata Electronics

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

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Datasheet

75.008In Stock

225.000On Order

Cut Tape

2,57 kr.

1,79 kr.

1,55 kr.

1,39 kr.

View

Reel

0,791 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

EMI Filter Circuits 16 V 15A

BNX028-01L
Murata Electronics
1: 38,94 kr.
1.819In Stock
6.400On Order

Mfr. Part No.
BNX028-01L

Mouser Part No
81-BNX028-01L

Murata Electronics

EMI Filter Circuits 16 V 15A

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Datasheet

1.819In Stock

6.400On Order

Cut Tape

38,94 kr.

31,78 kr.

29,32 kr.

27,60 kr.

Reel

20,89 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM15KD121SN1D
Murata Electronics
1: 0,642 kr.
33.507In Stock

Mfr. Part No.
BLM15KD121SN1D

Mouser Part No
81-BLM15KD121SN1D

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

33.507In Stock

Cut Tape

0,642 kr.

0,433 kr.

0,343 kr.

0,306 kr.

View

Reel

0,127 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

Ferrite Beads 20 OHM Alternate Sizing Guide Below

BLM15KD200SN1D
Murata Electronics
1: 0,768 kr.
18.373In Stock
90.000Expected 11/08/2026

Mfr. Part No.
BLM15KD200SN1D

Mouser Part No
81-BLM15KD200SN1D

Murata Electronics

Ferrite Beads 20 OHM Alternate Sizing Guide Below

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Datasheet

18.373In Stock

90.000Expected 11/08/2026

Cut Tape

0,768 kr.

0,463 kr.

0,388 kr.

0,321 kr.

View

Reel

0,149 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

Ferrite Beads FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below

BLM18SP101SN1D
Murata Electronics
1: 1,60 kr.
19.814In Stock
12.000Expected 24/09/2026

Mfr. Part No.
BLM18SP101SN1D

Mouser Part No
81-BLM18SP101SN1D

Murata Electronics

Ferrite Beads FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below

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Datasheet

19.814In Stock

12.000Expected 24/09/2026

Cut Tape

1,60 kr.

1,13 kr.

0,985 kr.

0,88 kr.

View

Reel

0,388 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18SP102SN1D
Murata Electronics
1: 1,60 kr.
7.401In Stock
28.000Expected 29/10/2026

Mfr. Part No.
BLM18SP102SN1D

Mouser Part No
81-BLM18SP102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

7.401In Stock

28.000Expected 29/10/2026

Cut Tape

1,60 kr.

1,13 kr.

0,985 kr.

0,88 kr.

View

Reel

0,388 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM18SP601SN1D
Murata Electronics
1: 1,60 kr.
7.490In Stock
32.000On Order

Mfr. Part No.
BLM18SP601SN1D

Mouser Part No
81-BLM18SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

7.490In Stock

32.000On Order

Cut Tape

1,60 kr.

1,10 kr.

0,962 kr.

0,858 kr.

View

Reel

0,395 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM21SP471SN1D
Murata Electronics
1: 1,99 kr.
4.525In Stock
44.000On Order

Mfr. Part No.
BLM21SP471SN1D

Mouser Part No
81-BLM21SP471SN1D

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

4.525In Stock

44.000On Order

Cut Tape

1,99 kr.

1,40 kr.

1,22 kr.

1,09 kr.

View

Reel

0,507 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads 70 OHM Alternate Sizing Guide Below

BLM21SP700SN1D
Murata Electronics
1: 1,99 kr.
11.782In Stock
12.000Expected 14/12/2026

Mfr. Part No.
BLM21SP700SN1D

Mouser Part No
81-BLM21SP700SN1D

Murata Electronics

Ferrite Beads 70 OHM Alternate Sizing Guide Below

Learn More

Datasheet

11.782In Stock

12.000Expected 14/12/2026

Cut Tape

1,99 kr.

1,40 kr.

1,22 kr.

1,09 kr.

View

Reel

0,507 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

BLM31KN271SN1L
Murata Electronics
1: 2,44 kr.
226In Stock
297.500On Order

Mfr. Part No.
BLM31KN271SN1L

Mouser Part No
81-BLM31KN271SN1L

Murata Electronics

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

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Datasheet

226In Stock

297.500On Order

Cut Tape

2,44 kr.

1,72 kr.

1,50 kr.

1,34 kr.

View

Reel

0,791 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

BLM31KN801SN1L
Murata Electronics
1: 2,44 kr.
23In Stock
72.500On Order

Mfr. Part No.
BLM31KN801SN1L

Mouser Part No
81-BLM31KN801SN1L

Murata Electronics

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

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Datasheet

23In Stock

72.500On Order

Cut Tape

2,44 kr.

1,78 kr.

1,54 kr.

1,38 kr.

View

Reel

0,791 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: 0,642 kr.
153In Stock
216.000Expected 31/12/2026

Mfr. Part No.
BLM18KG331SN1D

Mouser Part No
81-BLM18KG331SN1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

153In Stock

216.000Expected 31/12/2026

Cut Tape

0,642 kr.

0,41 kr.

0,321 kr.

0,291 kr.

Reel

0,149 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads 33 OHM Alternate Sizing Guide Below

BLM18SG330SN1D
Murata Electronics
1: 1,28 kr.
50.982Expected 24/11/2026

Mfr. Part No.
BLM18SG330SN1D

Mouser Part No
81-BLM18SG330SN1D

Murata Electronics

Ferrite Beads 33 OHM Alternate Sizing Guide Below

Learn More

Datasheet

50.982Expected 24/11/2026

Cut Tape

1,28 kr.

0,858 kr.

0,753 kr.

0,671 kr.

View

Reel

0,291 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads 180 OHM 25%

BLM21SP181SN1D
Murata Electronics
1: 1,99 kr.
135.990On Order

Mfr. Part No.
BLM21SP181SN1D

Mouser Part No
81-BLM21SP181SN1D

Murata Electronics

Ferrite Beads 180 OHM 25%

Learn More

Datasheet

135.990On Order

Cut Tape

1,99 kr.

1,40 kr.

1,22 kr.

1,09 kr.

View

Reel

0,507 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121SN1L
Murata Electronics
1: 2,44 kr.
98.767On Order

Mfr. Part No.
BLM31KN121SN1L

Mouser Part No
81-BLM31KN121SN1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

98.767On Order

Cut Tape

2,44 kr.

1,72 kr.

1,50 kr.

1,34 kr.

Reel

0,806 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: 2,44 kr.
110.398On Order

Mfr. Part No.
BLM31KN601SN1L

Mouser Part No
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

110.398On Order

Cut Tape

2,44 kr.

1,72 kr.

1,50 kr.

1,34 kr.

View

Reel

0,642 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: 41,25 kr.
1.988On Order

Mfr. Part No.
BNX029-01L

Mouser Part No
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

Learn More

Datasheet

1.988On Order

Cut Tape

41,25 kr.

33,72 kr.

31,03 kr.

29,17 kr.

Reel

22,23 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM15KD300SN1D
Murata Electronics
1: 0,642 kr.
59.700Expected 16/03/2027

Mfr. Part No.
BLM15KD300SN1D

Mouser Part No
81-BLM15KD300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

59.700Expected 16/03/2027

Cut Tape

0,642 kr.

0,388 kr.

0,321 kr.

0,269 kr.

View

Reel

0,127 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

Ferrite Beads FB SMD 0603inch 220o hm NONAUTO Alternate Sizing Guide Below

BLM18SP221SN1D
Murata Electronics
1: 1,60 kr.
12.000Expected 19/08/2026

Mfr. Part No.
BLM18SP221SN1D

Mouser Part No
81-BLM18SP221SN1D

Murata Electronics

Ferrite Beads FB SMD 0603inch 220o hm NONAUTO Alternate Sizing Guide Below

Learn More

Datasheet

12.000Expected 19/08/2026

Cut Tape

1,60 kr.

1,13 kr.

0,985 kr.

0,88 kr.

View

Reel

0,388 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads

BLM02KX100SN1D
Murata Electronics
15.000: 0,41 kr.
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
BLM02KX100SN1D

Mouser Part No
81-BLM02KX100SN1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

0,41 kr.

Min.: 15.000
Mult.: 15.000

: 15.000

Power Supply Line Noise Suppression for Home Audio

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