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 120 OHM Alternate Sizing Guide Below

BLM15KD121SN1D
Murata Electronics
1: 0,642 kr.
32.107In Stock

Mfr. Part No.
BLM15KD121SN1D

Mouser Part No
81-BLM15KD121SN1D

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

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Datasheet

32.107In 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 FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below

BLM18SP101SN1D
Murata Electronics
1: 1,60 kr.
14.941In 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

14.941In 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.
2.626In 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

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Datasheet

2.626In 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 FB SMD 0603inch 220o hm NONAUTO Alternate Sizing Guide Below

BLM18SP221SN1D
Murata Electronics
1: 1,73 kr.
11.050In Stock

Mfr. Part No.
BLM18SP221SN1D

Mouser Part No
81-BLM18SP221SN1D

Murata Electronics

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

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Datasheet

11.050In Stock

Cut Tape

1,73 kr.

1,19 kr.

1,04 kr.

0,933 kr.

View

Reel

0,403 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

BLM21SN300SN1D
Murata Electronics
1: 1,35 kr.
279.978On Order

Mfr. Part No.
BLM21SN300SN1D

Mouser Part No
81-BLM21SN300SN1D

Murata Electronics

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

Learn More

Datasheet

279.978On Order

Cut Tape

1,35 kr.

0,94 kr.

0,821 kr.

0,739 kr.

View

Reel

0,418 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 21/01/2027

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 21/01/2027

Cut Tape

1,99 kr.

1,40 kr.

1,22 kr.

1,09 kr.

View

Reel

0,515 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

BLM31KN102SN1L
Murata Electronics
1: 2,57 kr.
776In Stock
182.500On Order

Mfr. Part No.
BLM31KN102SN1L

Mouser Part No
81-BLM31KN102SN1L

Murata Electronics

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

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Datasheet

776In Stock

182.500On Order

Cut Tape

2,57 kr.

1,78 kr.

1,54 kr.

1,38 kr.

Reel

0,865 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: 2,57 kr.
1.298In 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

1.298In 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

EMI Filter Circuits 10.0 UF 25V 20A

BNX025H01L
Murata Electronics
1: 38,94 kr.
247In Stock
16.400On Order

Mfr. Part No.
BNX025H01L

Mouser Part No
81-BNX025H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 25V 20A

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Datasheet

247In Stock

16.400On Order

Cut Tape

38,94 kr.

31,78 kr.

29,32 kr.

27,60 kr.

Reel

20,96 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: 41,25 kr.
250In Stock
6.138On Order

Mfr. Part No.
BNX029-01L

Mouser Part No
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

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Datasheet

250In Stock

6.138On 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 600 OHM Alternate Sizing Guide Below

BLM18SP601SN1D
Murata Electronics
1: 1,60 kr.
59.170On Order

Mfr. Part No.
BLM18SP601SN1D

Mouser Part No
81-BLM18SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

59.170On 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 120 OHM Alternate Sizing Guide Below

BLM31KN121SN1L
Murata Electronics
1: 2,44 kr.
102.864On Order

Mfr. Part No.
BLM31KN121SN1L

Mouser Part No
81-BLM31KN121SN1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

102.864On Order

Cut Tape

2,44 kr.

1,72 kr.

1,50 kr.

1,34 kr.

Reel

0,858 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

BLM31KN271SN1L
Murata Electronics
1: 2,44 kr.
297.180On Order

Mfr. Part No.
BLM31KN271SN1L

Mouser Part No
81-BLM31KN271SN1L

Murata Electronics

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

Learn More

Datasheet

297.180On 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 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: 0,709 kr.
216.000On Order

Mfr. Part No.
BLM18KG331SN1D

Mouser Part No
81-BLM18KG331SN1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

216.000On Order

Cut Tape

0,709 kr.

0,425 kr.

0,343 kr.

0,298 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.
90.982On Order

Mfr. Part No.
BLM18SG330SN1D

Mouser Part No
81-BLM18SG330SN1D

Murata Electronics

Ferrite Beads 33 OHM Alternate Sizing Guide Below

Learn More

Datasheet

90.982On Order

Cut Tape

1,28 kr.

0,888 kr.

0,768 kr.

0,686 kr.

View

Reel

0,291 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads 180 OHM 25%

BLM21SP181SN1D
Murata Electronics
1: 2,12 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

2,12 kr.

1,45 kr.

1,25 kr.

1,13 kr.

View

Reel

0,507 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM21SP471SN1D
Murata Electronics
1: 1,99 kr.
43.271On Order

Mfr. Part No.
BLM21SP471SN1D

Mouser Part No
81-BLM21SP471SN1D

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

43.271On 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 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: 2,63 kr.
110.401On Order

Mfr. Part No.
BLM31KN601SN1L

Mouser Part No
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

110.401On Order

Cut Tape

2,63 kr.

1,81 kr.

1,57 kr.

1,40 kr.

View

Reel

0,642 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.
71.212On Order

Mfr. Part No.
BLM31KN801SN1L

Mouser Part No
81-BLM31KN801SN1L

Murata Electronics

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

Learn More

Datasheet

71.212On 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 30 OHM Alternate Sizing Guide Below

BLM15KD300SN1D
Murata Electronics
1: 0,642 kr.
59.200On Order

Mfr. Part No.
BLM15KD300SN1D

Mouser Part No
81-BLM15KD300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

59.200On Order

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

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

Types of Passive Components

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