Passive Components – Mouser Norway

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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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Part #

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

BLM31KN102SN1L
Murata Electronics
1: kr 3,60
177 335In Stock

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

177 335In Stock

Cut Tape

kr 3,60

kr 2,55

kr 2,22

kr 1,97

View

Reel

kr 0,998

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2 500

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM21SP102SN1D
Murata Electronics
1: kr 2,99
218 705In Stock

Mfr. Part No.
BLM21SP102SN1D

Mouser Part No
81-BLM21SP102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

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Datasheet

218 705In Stock

Cut Tape

kr 2,99

kr 2,09

kr 1,82

kr 1,61

View

Reel

kr 0,789

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

BLM31KN801SN1L
Murata Electronics
1: kr 3,69
66 678In Stock

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

66 678In Stock

Cut Tape

kr 3,69

kr 2,61

kr 2,25

kr 2,02

View

Reel

kr 0,998

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2 500

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM18SP300SN1D
Murata Electronics
1: kr 2,39
101 142In Stock

Mfr. Part No.
BLM18SP300SN1D

Mouser Part No
81-BLM18SP300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

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Datasheet

101 142In Stock

Cut Tape

kr 2,39

kr 1,67

kr 1,46

kr 1,30

View

Reel

kr 0,603

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

EMI Filter Circuits 10.0 UF 50V 20A

BNX026H01L
Murata Electronics
1: kr 59,74
6 951In Stock
5 525Expected 2/18/2026

Mfr. Part No.
BNX026H01L

Mouser Part No
81-BNX026H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 50V 20A

Learn More

Datasheet

6 951In Stock

5 525Expected 2/18/2026

Cut Tape

kr 59,74

kr 52,08

kr 46,86

kr 40,95

Reel

kr 33,18

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM21SP601SN1D
Murata Electronics
1: kr 2,99
190 826In Stock

Mfr. Part No.
BLM21SP601SN1D

Mouser Part No
81-BLM21SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

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Datasheet

190 826In Stock

Cut Tape

kr 2,99

kr 2,09

kr 1,82

kr 1,61

View

Reel

kr 0,789

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

EMI Filter Circuits 35 DB 50V 20A SMD

BNX022-01L
Murata Electronics
1: kr 50,92
14 243In Stock
6 400Expected 4/21/2026

Mfr. Part No.
BNX022-01L

Mouser Part No
81-BNX022-01L

Murata Electronics

EMI Filter Circuits 35 DB 50V 20A SMD

Learn More

Datasheet

14 243In Stock

6 400Expected 4/21/2026

Cut Tape

kr 50,92

kr 42,22

kr 39,09

kr 37,12

kr 36,66

Reel

kr 35,03

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: kr 0,998
420 152In Stock

Mfr. Part No.
BLM18KG331SN1D

Mouser Part No
81-BLM18KG331SN1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

420 152In Stock

Cut Tape

kr 0,998

kr 0,603

kr 0,476

kr 0,429

Reel

kr 0,232

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: kr 3,69
43 839In Stock

Mfr. Part No.
BLM31KN601SN1L

Mouser Part No
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

43 839In Stock

Cut Tape

kr 3,69

kr 2,61

kr 2,08

kr 1,79

View

Reel

kr 0,998

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2 500

EMI Filter Circuits 16 V 15A

BNX028-01L
Murata Electronics
1: kr 56,38
2 182In Stock
3 200Expected 4/14/2026

Mfr. Part No.
BNX028-01L

Mouser Part No
81-BNX028-01L

Murata Electronics

EMI Filter Circuits 16 V 15A

Learn More

Datasheet

2 182In Stock

3 200Expected 4/14/2026

Cut Tape

kr 56,38

kr 46,63

kr 42,92

kr 40,83

Reel

kr 33,64

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18KG102SN1D
Murata Electronics
1: kr 0,998
92 751In Stock
60 000Expected 4/23/2026

Mfr. Part No.
BLM18KG102SN1D

Mouser Part No
81-BLM18KG102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

92 751In Stock

60 000Expected 4/23/2026

Cut Tape

kr 0,998

kr 0,499

kr 0,418

kr 0,406

kr 0,394

Reel

kr 0,348

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

BLM18KG221SN1D
Murata Electronics
1: kr 0,998
153 547In Stock
120 000Expected 4/14/2026

Mfr. Part No.
BLM18KG221SN1D

Mouser Part No
81-BLM18KG221SN1D

Murata Electronics

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

153 547In Stock

120 000Expected 4/14/2026

Cut Tape

kr 0,998

kr 0,603

kr 0,476

kr 0,429

View

Reel

kr 0,186

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

BLM18KG471SN1D
Murata Electronics
1: kr 1,10
109 331In Stock
80 000Expected 4/14/2026

Mfr. Part No.
BLM18KG471SN1D

Mouser Part No
81-BLM18KG471SN1D

Murata Electronics

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

109 331In Stock

80 000Expected 4/14/2026

Cut Tape

kr 1,10

kr 0,673

kr 0,545

kr 0,476

View

Reel

kr 0,325

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

BLM21SN300SN1D
Murata Electronics
1: kr 1,89
53 953In Stock
52 000Expected 4/14/2026

Mfr. Part No.
BLM21SN300SN1D

Mouser Part No
81-BLM21SN300SN1D

Murata Electronics

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

Learn More

Datasheet

53 953In Stock

52 000Expected 4/14/2026

Cut Tape

kr 1,89

kr 1,35

kr 1,17

kr 1,04

View

Reel

kr 0,487

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

Ferrite Beads 110 OHM Alternate Sizing Guide Below

BLM21SP111SN1D
Murata Electronics
1: kr 2,99
43 701In Stock
20 000Expected 3/13/2026

Mfr. Part No.
BLM21SP111SN1D

Mouser Part No
81-BLM21SP111SN1D

Murata Electronics

Ferrite Beads 110 OHM Alternate Sizing Guide Below

Learn More

Datasheet

43 701In Stock

20 000Expected 3/13/2026

Cut Tape

kr 2,99

kr 2,09

kr 1,81

kr 1,61

View

Reel

kr 0,789

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

Ferrite Beads 330 OHM Alternate Sizing Guide Below

BLM21SP331SN1D
Murata Electronics
1: kr 2,99
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

kr 2,99

kr 2,09

kr 1,82

kr 1,61

View

Reel

kr 0,789

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: kr 3,69
36 606In 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 606In Stock

75 000On Order

Cut Tape

kr 3,69

kr 2,61

kr 2,26

kr 2,03

View

Reel

kr 0,998

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2 500

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

BLM31SN500SN1L
Murata Electronics
1: kr 3,89
36 127In Stock
41 865Expected 2/23/2026

Mfr. Part No.
BLM31SN500SN1L

Mouser Part No
81-BLM31SN500SN1L

Murata Electronics

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

Learn More

Datasheet

36 127In Stock

41 865Expected 2/23/2026

Cut Tape

kr 3,89

kr 2,70

kr 2,34

kr 2,10

View

Reel

kr 1,04

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

EMI Filter Circuits 4.7 UF 50V 20A

BNX024H01L
Murata Electronics
1: kr 58,00
3 085In 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

3 085In Stock

7 990On Order

Cut Tape

kr 58,00

kr 53,94

kr 50,69

kr 42,57

Reel

kr 33,29

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits 10.0 UF 25V 20A

BNX025H01L
Murata Electronics
1: kr 56,84
3 844In Stock
3 439Expected 3/5/2026

Mfr. Part No.
BNX025H01L

Mouser Part No
81-BNX025H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 25V 20A

Learn More

Datasheet

3 844In Stock

3 439Expected 3/5/2026

Cut Tape

kr 56,84

kr 46,63

kr 42,57

kr 40,60

Reel

kr 33,06

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: kr 64,96
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

kr 64,96

kr 53,94

kr 50,23

kr 47,44

Reel

kr 40,25

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

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

PLT10HH101150PNL
Murata Electronics
1: kr 104,17
547In Stock
500Expected 6/18/2026

Mfr. Part No.
PLT10HH101150PNL

Mouser Part No
81-PLT10HH101150PNL

Murata Electronics

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

Learn More

Datasheet

547In Stock

500Expected 6/18/2026

Cut Tape

kr 104,17

kr 84,80

kr 81,32

kr 76,44

Reel

kr 69,83

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

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

PLT10HH1026R0PNL
Murata Electronics
1: kr 41,76
1 425In Stock
1 000Expected 6/18/2026

Mfr. Part No.
PLT10HH1026R0PNL

Mouser Part No
81-PLT10HH1026R0PNL

Murata Electronics

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

Learn More

Datasheet

1 425In Stock

1 000Expected 6/18/2026

Cut Tape

kr 41,76

kr 35,38

kr 33,18

kr 31,78

Reel

kr 29,12

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

Common Mode Chokes / Filters 6 UH

PLT10HH401100PNL
Murata Electronics
1: kr 47,44
1 428In Stock

Mfr. Part No.
PLT10HH401100PNL

Mouser Part No
81-PLT10HH401100PNL

Murata Electronics

Common Mode Chokes / Filters 6 UH

Learn More

Datasheet

1 428In Stock

Cut Tape

kr 47,44

kr 38,63

kr 35,61

kr 33,52

Reel

kr 28,88

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

Common Mode Chokes / Filters 14 UH 100V 6A

PLT10HH9016R0PNL
Murata Electronics
1: kr 47,44
609In Stock
500Expected 6/18/2026

Mfr. Part No.
PLT10HH9016R0PNL

Mouser Part No
81-PLT10HH9016R0PNL

Murata Electronics

Common Mode Chokes / Filters 14 UH 100V 6A

Learn More

Datasheet

609In Stock

500Expected 6/18/2026

Cut Tape

kr 47,44

kr 38,63

kr 35,61

kr 33,52

Reel

kr 30,97

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

Power Supply Line Noise Suppression for Home Audio

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