Passive Components – Mouser United Kingdom

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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: £0.233
184,176In 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

184,176In Stock

Cut Tape

£0.233

£0.163

£0.142

£0.127

View

Reel

£0.08

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

BLM02KX180SN1D
Murata Electronics
1: £0.188
43,000In Stock

Mfr. Part No.
BLM02KX180SN1D

Mouser Part No
81-BLM02KX180SN1D

Murata Electronics

Ferrite Beads

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Datasheet

43,000In Stock

Cut Tape

£0.188

£0.132

£0.115

£0.103

View

Reel

£0.048

MouseReel Available

Min.: 1
Mult.: 1

: 15,000

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

BLM31KN102SN1L
Murata Electronics
1: £0.30
130,009In 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

130,009In Stock

Cut Tape

£0.30

£0.208

£0.181

£0.162

Reel

£0.101

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MouseReel Available

Min.: 1
Mult.: 1

: 2,500

EMI Filter Circuits 35 DB 50V 20A SMD

BNX022-01L
Murata Electronics
1: £3.67
11,129In 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

11,129In Stock

9,600Expected 04/01/2027

Cut Tape

£3.67

£2.99

£2.76

£2.60

Reel

£1.94

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Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 500M Ohm 100Volts 15A

BNX02301L
Murata Electronics
1: £3.93
8,238In 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

8,238In Stock

18,400On Order

Cut Tape

£3.93

£3.20

£2.96

£2.78

Reel

£2.11

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MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 4.7 UF 50V 20A

BNX024H01L
Murata Electronics
1: £4.56
18,432In 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

18,432In Stock

Cut Tape

£4.56

£4.10

£3.65

£3.43

Reel

£2.44

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Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 10.0 UF 25V 20A

BNX025H01L
Murata Electronics
1: £4.56
10,992In Stock
7,600Expected 30/09/2026

Mfr. Part No.
BNX025H01L

Mouser Part No
81-BNX025H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 25V 20A

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Datasheet

10,992In Stock

7,600Expected 30/09/2026

Cut Tape

£4.56

£3.72

£3.43

£3.23

Reel

£2.45

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MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 10.0 UF 50V 20A

BNX026H01L
Murata Electronics
1: £5.13
26,939In Stock

Mfr. Part No.
BNX026H01L

Mouser Part No
81-BNX026H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 50V 20A

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Datasheet

26,939In Stock

Cut Tape

£5.13

£4.48

£4.05

£3.72

Reel

£2.76

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 16 V 15A

BNX028-01L
Murata Electronics
1: £4.56
5,226In Stock
3,200Expected 30/09/2026

Mfr. Part No.
BNX028-01L

Mouser Part No
81-BNX028-01L

Murata Electronics

EMI Filter Circuits 16 V 15A

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Datasheet

5,226In Stock

3,200Expected 30/09/2026

Cut Tape

£4.56

£3.72

£3.43

£3.23

Reel

£2.45

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18KG102SN1D
Murata Electronics
1: £0.075
181,023In Stock
88,000Expected 08/07/2026

Mfr. Part No.
BLM18KG102SN1D

Mouser Part No
81-BLM18KG102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

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Datasheet

181,023In Stock

88,000Expected 08/07/2026

Cut Tape

£0.075

£0.035

£0.03

£0.029

View

Reel

£0.017

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

BLM18KG221SN1D
Murata Electronics
1: £0.075
285,094In Stock
280,000Expected 01/07/2026

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

285,094In Stock

280,000Expected 01/07/2026

Cut Tape

£0.075

£0.048

£0.038

£0.034

View

Reel

£0.017

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: £0.075
352,942In 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

352,942In Stock

Cut Tape

£0.075

£0.048

£0.038

£0.034

View

Reel

£0.017

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

BLM18KG471SN1D
Murata Electronics
1: £0.075
179,325In Stock

Mfr. Part No.
BLM18KG471SN1D

Mouser Part No
81-BLM18KG471SN1D

Murata Electronics

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

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Datasheet

179,325In Stock

Cut Tape

£0.075

£0.048

£0.038

£0.034

View

Reel

£0.017

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

BLM18KG601SN1D
Murata Electronics
1: £0.075
280,719In Stock
680,000On Order

Mfr. Part No.
BLM18KG601SN1D

Mouser Part No
81-BLM18KG601SN1D

Murata Electronics

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

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Datasheet

280,719In Stock

680,000On Order

Cut Tape

£0.075

£0.048

£0.038

£0.034

Reel

£0.017

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM18SP300SN1D
Murata Electronics
1: £0.173
94,485In 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

94,485In Stock

Cut Tape

£0.173

£0.12

£0.105

£0.094

View

Reel

£0.045

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 110 OHM Alternate Sizing Guide Below

BLM21SP111SN1D
Murata Electronics
1: £0.233
145,360In Stock

Mfr. Part No.
BLM21SP111SN1D

Mouser Part No
81-BLM21SP111SN1D

Murata Electronics

Ferrite Beads 110 OHM Alternate Sizing Guide Below

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Datasheet

145,360In Stock

Cut Tape

£0.233

£0.163

£0.142

£0.127

View

Reel

£0.059

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM21SP601SN1D
Murata Electronics
1: £0.233
60,801In 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

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Datasheet

60,801In Stock

420,000Expected 03/12/2026

Cut Tape

£0.233

£0.163

£0.142

£0.127

View

Reel

£0.059

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

BLM31KN271SN1L
Murata Electronics
1: £0.285
58,830In Stock
137,500On 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

58,830In Stock

137,500On Order

Cut Tape

£0.285

£0.202

£0.175

£0.157

View

Reel

£0.093

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: £0.285
104,619In Stock
75,000Expected 04/01/2027

Mfr. Part No.
BLM31KN471SN1L

Mouser Part No
81-BLM31KN471SN1L

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

104,619In Stock

75,000Expected 04/01/2027

Cut Tape

£0.285

£0.202

£0.175

£0.157

Reel

£0.10

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: £0.263
15,733In Stock
25,000Expected 08/01/2027

Mfr. Part No.
BLM31KN601SN1L

Mouser Part No
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

15,733In Stock

25,000Expected 08/01/2027

Cut Tape

£0.263

£0.181

£0.156

£0.14

View

Reel

£0.075

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

BLM31KN801SN1L
Murata Electronics
1: £0.271
22,201In Stock
17,500Expected 06/10/2026

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

22,201In Stock

17,500Expected 06/10/2026

Cut Tape

£0.271

£0.187

£0.161

£0.145

View

Reel

£0.093

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

BLM31SN500SN1L
Murata Electronics
1: £0.30
41,816In Stock
195,000On Order

Mfr. Part No.
BLM31SN500SN1L

Mouser Part No
81-BLM31SN500SN1L

Murata Electronics

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

Learn More

Datasheet

41,816In Stock

195,000On Order

Cut Tape

£0.30

£0.21

£0.182

£0.162

View

Reel

£0.093

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

EMI Filter Circuits 22.0 UF 16V 20A

BNX027H01L
Murata Electronics
1: £5.13
593In Stock
5,600Expected 04/01/2027

Mfr. Part No.
BNX027H01L

Mouser Part No
81-BNX027H01L

Murata Electronics

EMI Filter Circuits 22.0 UF 16V 20A

Learn More

Datasheet

593In Stock

5,600Expected 04/01/2027

Cut Tape

£5.13

£4.19

£3.86

£3.62

Reel

£2.77

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: £4.56
522In 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

522In Stock

400Expected 08/02/2027

Cut Tape

£4.56

£3.72

£3.43

£3.23

Reel

£2.44

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

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

PLT10HH1026R0PNL
Murata Electronics
1: £3.61
1,453In Stock
3,500Expected 09/11/2026

Mfr. Part No.
PLT10HH1026R0PNL

Mouser Part No
81-PLT10HH1026R0PNL

Murata Electronics

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

Learn More

Datasheet

1,453In Stock

3,500Expected 09/11/2026

Cut Tape

£3.61

£3.03

£2.79

£2.52

Reel

£2.19

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Power Supply Line Noise Suppression for Home Audio

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