Passive Components – Mouser Ireland

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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 Alternate Sizing Guide Below

BLM21SP102SN1D
Murata Electronics
1: €0.267
188,776In 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

188,776In Stock

Cut Tape

€0.267

€0.187

€0.163

€0.145

View

Reel

€0.092

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

BLM02KX180SN1D
Murata Electronics
1: €0.215
44,500In Stock

Mfr. Part No.
BLM02KX180SN1D

Mouser Part No
81-BLM02KX180SN1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

44,500In Stock

Cut Tape

€0.215

€0.148

€0.129

€0.115

View

Reel

€0.055

MouseReel Available

Min.: 1
Mult.: 1

: 15,000

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

BLM31KN102SN1L
Murata Electronics
1: €0.327
138,983In 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

138,983In Stock

Cut Tape

€0.327

€0.231

€0.201

€0.18

Reel

€0.116

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

EMI Filter Circuits 35 DB 50V 20A SMD

BNX022-01L
Murata Electronics
1: €4.20
13,312In Stock
9,600Expected 04/01/2027

Mfr. Part No.
BNX022-01L

Mouser Part No
81-BNX022-01L

Murata Electronics

EMI Filter Circuits 35 DB 50V 20A SMD

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Datasheet

13,312In Stock

9,600Expected 04/01/2027

Cut Tape

€4.20

€3.42

€3.16

€2.98

Reel

€2.22

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 500M Ohm 100Volts 15A

BNX02301L
Murata Electronics
1: €4.39
9,834In Stock
18,400On Order

Mfr. Part No.
BNX02301L

Mouser Part No
81-BNX023-01L

Murata Electronics

EMI Filter Circuits 500M Ohm 100Volts 15A

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Datasheet

9,834In Stock

18,400On Order

Cut Tape

€4.39

€3.64

€3.37

€3.19

Reel

€2.45

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 4.7 UF 50V 20A

BNX024H01L
Murata Electronics
1: €5.22
18,877In Stock

Mfr. Part No.
BNX024H01L

Mouser Part No
81-BNX024H01L

Murata Electronics

EMI Filter Circuits 4.7 UF 50V 20A

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Datasheet

18,877In Stock

Cut Tape

€5.22

€4.78

€4.34

€3.92

Reel

€2.80

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 10.0 UF 25V 20A

BNX025H01L
Murata Electronics
1: €5.22
11,095In Stock

Mfr. Part No.
BNX025H01L

Mouser Part No
81-BNX025H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 25V 20A

Learn More

Datasheet

11,095In Stock

Cut Tape

€5.22

€4.26

€3.93

€3.70

Reel

€2.81

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 10.0 UF 50V 20A

BNX026H01L
Murata Electronics
1: €5.79
9,571In Stock
18,000Expected 11/06/2026

Mfr. Part No.
BNX026H01L

Mouser Part No
81-BNX026H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 50V 20A

Learn More

Datasheet

9,571In Stock

18,000Expected 11/06/2026

Cut Tape

€5.79

€5.01

€4.73

€4.27

Reel

€3.32

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 16 V 15A

BNX028-01L
Murata Electronics
1: €4.82
5,705In Stock

Mfr. Part No.
BNX028-01L

Mouser Part No
81-BNX028-01L

Murata Electronics

EMI Filter Circuits 16 V 15A

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Datasheet

5,705In Stock

Cut Tape

€4.82

€4.01

€3.70

€3.53

Reel

€2.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18KG102SN1D
Murata Electronics
1: €0.086
83,300In Stock
200,000On Order

Mfr. Part No.
BLM18KG102SN1D

Mouser Part No
81-BLM18KG102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

83,300In Stock

200,000On Order

Cut Tape

€0.086

€0.04

€0.034

€0.033

View

Reel

€0.021

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

BLM18KG221SN1D
Murata Electronics
1: €0.086
291,781In Stock

Mfr. Part No.
BLM18KG221SN1D

Mouser Part No
81-BLM18KG221SN1D

Murata Electronics

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

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Datasheet

291,781In Stock

Cut Tape

€0.086

€0.052

€0.041

€0.037

View

Reel

€0.019

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: €0.086
357,392In Stock

Mfr. Part No.
BLM18KG331SN1D

Mouser Part No
81-BLM18KG331SN1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

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Datasheet

357,392In Stock

Cut Tape

€0.086

€0.052

€0.041

€0.037

View

Reel

€0.019

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

BLM18KG471SN1D
Murata Electronics
1: €0.086
188,312In Stock

Mfr. Part No.
BLM18KG471SN1D

Mouser Part No
81-BLM18KG471SN1D

Murata Electronics

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

188,312In Stock

Cut Tape

€0.086

€0.055

€0.043

€0.039

View

Reel

€0.019

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

BLM18KG601SN1D
Murata Electronics
1: €0.086
343,006In Stock
320,000Expected 03/07/2026

Mfr. Part No.
BLM18KG601SN1D

Mouser Part No
81-BLM18KG601SN1D

Murata Electronics

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

343,006In Stock

320,000Expected 03/07/2026

Cut Tape

€0.086

€0.055

€0.043

€0.039

Reel

€0.019

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM18SP300SN1D
Murata Electronics
1: €0.198
94,825In Stock

Mfr. Part No.
BLM18SP300SN1D

Mouser Part No
81-BLM18SP300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

94,825In Stock

Cut Tape

€0.198

€0.135

€0.118

€0.106

View

Reel

€0.052

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM18SP601SN1D
Murata Electronics
1: €0.215
23,274In Stock

Mfr. Part No.
BLM18SP601SN1D

Mouser Part No
81-BLM18SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

23,274In Stock

Cut Tape

€0.215

€0.148

€0.129

€0.115

View

Reel

€0.053

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

BLM21SN300SN1D
Murata Electronics
1: €0.172
32,956In Stock
160,000On Order

Mfr. Part No.
BLM21SN300SN1D

Mouser Part No
81-BLM21SN300SN1D

Murata Electronics

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

Learn More

Datasheet

32,956In Stock

160,000On Order

Cut Tape

€0.172

€0.122

€0.107

€0.095

View

Reel

€0.05

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 110 OHM Alternate Sizing Guide Below

BLM21SP111SN1D
Murata Electronics
1: €0.267
92,244In Stock
56,000Expected 10/08/2026

Mfr. Part No.
BLM21SP111SN1D

Mouser Part No
81-BLM21SP111SN1D

Murata Electronics

Ferrite Beads 110 OHM Alternate Sizing Guide Below

Learn More

Datasheet

92,244In Stock

56,000Expected 10/08/2026

Cut Tape

€0.267

€0.187

€0.16

€0.144

View

Reel

€0.068

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM21SP601SN1D
Murata Electronics
1: €0.267
63,183In Stock
420,000Expected 03/12/2026

Mfr. Part No.
BLM21SP601SN1D

Mouser Part No
81-BLM21SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

63,183In Stock

420,000Expected 03/12/2026

Cut Tape

€0.267

€0.184

€0.16

€0.143

View

Reel

€0.068

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121SN1L
Murata Electronics
1: €0.327
44,196In Stock
37,500Expected 26/11/2026

Mfr. Part No.
BLM31KN121SN1L

Mouser Part No
81-BLM31KN121SN1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

44,196In Stock

37,500Expected 26/11/2026

Cut Tape

€0.327

€0.229

€0.198

€0.175

Reel

€0.108

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: €0.327
110,507In Stock
75,000Expected 05/10/2026

Mfr. Part No.
BLM31KN471SN1L

Mouser Part No
81-BLM31KN471SN1L

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

110,507In Stock

75,000Expected 05/10/2026

Cut Tape

€0.327

€0.231

€0.201

€0.18

Reel

€0.115

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: €0.267
15,959In Stock
25,000Expected 29/09/2026

Mfr. Part No.
BLM31KN601SN1L

Mouser Part No
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

15,959In Stock

25,000Expected 29/09/2026

Cut Tape

€0.267

€0.187

€0.159

€0.141

View

Reel

€0.086

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

BLM31KN801SN1L
Murata Electronics
1: €0.292
31,555In Stock

Mfr. Part No.
BLM31KN801SN1L

Mouser Part No
81-BLM31KN801SN1L

Murata Electronics

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

Learn More

Datasheet

31,555In Stock

Cut Tape

€0.292

€0.205

€0.175

€0.158

View

Reel

€0.106

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

BLM31SN500SN1L
Murata Electronics
1: €0.344
67,871In Stock
90,000Expected 19/10/2026

Mfr. Part No.
BLM31SN500SN1L

Mouser Part No
81-BLM31SN500SN1L

Murata Electronics

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

Learn More

Datasheet

67,871In Stock

90,000Expected 19/10/2026

Cut Tape

€0.344

€0.24

€0.208

€0.186

View

Reel

€0.098

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: €5.08
526In Stock
400Expected 08/02/2027

Mfr. Part No.
BNX029-01L

Mouser Part No
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

Learn More

Datasheet

526In Stock

400Expected 08/02/2027

Cut Tape

€5.08

€4.15

€3.83

€3.59

Reel

€2.97

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Power Supply Line Noise Suppression for Home Audio

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