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

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 30 OHM Alternate Sizing Guide Below

BLM18SP300SN1D
Murata Electronics
1: £0.15
87,478In 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

87,478In Stock

Cut Tape

£0.15

£0.103

£0.089

£0.08

View

Reel

£0.045

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM21SP601SN1D
Murata Electronics
1: £0.233
425,248In 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

425,248In Stock

Cut Tape

£0.233

£0.163

£0.142

£0.127

View

Reel

£0.079

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

EMI Filter Circuits 500M Ohm 100Volts 20A

BNX02301L
Murata Electronics
1: £3.93
21,727In Stock
13,600On Order

Mfr. Part No.
BNX02301L

Mouser Part No
81-BNX023-01L

Murata Electronics

EMI Filter Circuits 500M Ohm 100Volts 20A

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Datasheet

21,727In Stock

13,600On Order

Cut Tape

£3.93

£3.20

£2.96

£2.78

Reel

£2.12

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 4.7 UF 50V 20A

BNX024H01L
Murata Electronics
1: £4.56
14,422In 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

14,422In Stock

Cut Tape

£4.56

£4.06

£3.61

£3.40

Reel

£2.44

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 10.0 UF 50V 20A

BNX026H01L
Murata Electronics
1: £5.13
18,615In Stock
13,200Expected 03/03/2028

Mfr. Part No.
BNX026H01L

Mouser Part No
81-BNX026H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 50V 20A

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Datasheet

18,615In Stock

13,200Expected 03/03/2028

Cut Tape

£5.13

£4.19

£3.73

£3.53

Reel

£2.76

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MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 22.0 UF 16V 20A

BNX027H01L
Murata Electronics
1: £5.13
5,843In Stock

Mfr. Part No.
BNX027H01L

Mouser Part No
81-BNX027H01L

Murata Electronics

EMI Filter Circuits 22.0 UF 16V 20A

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Datasheet

5,843In Stock

Cut Tape

£5.13

£4.19

£3.86

£3.62

Reel

£2.76

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

BLM18KG601SN1D
Murata Electronics
1: £0.075
756,122In Stock
520,000Expected 08/10/2026

Mfr. Part No.
BLM18KG601SN1D

Mouser Part No
81-BLM18KG601SN1D

Murata Electronics

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

756,122In Stock

520,000Expected 08/10/2026

Cut Tape

£0.075

£0.048

£0.038

£0.034

View

Reel

£0.016

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18KG102SN1D
Murata Electronics
1: £0.075
183,558In Stock
140,000Expected 24/11/2026

Mfr. Part No.
BLM18KG102SN1D

Mouser Part No
81-BLM18KG102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

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Datasheet

183,558In Stock

140,000Expected 24/11/2026

Cut Tape

£0.075

£0.048

£0.038

£0.034

Reel

£0.017

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

BLM18KG221SN1D
Murata Electronics
1: £0.075
466,351In 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

466,351In Stock

Cut Tape

£0.075

£0.048

£0.038

£0.034

Reel

£0.017

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

BLM18KG471SN1D
Murata Electronics
1: £0.075
119,231In Stock
120,000Expected 08/10/2026

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

119,231In Stock

120,000Expected 08/10/2026

Cut Tape

£0.075

£0.048

£0.038

£0.034

Reel

£0.017

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 22 OHM Alternate Sizing Guide Below

BLM18SD220SN1D
Murata Electronics
1: £0.127
44,424In Stock
96,000On Order

Mfr. Part No.
BLM18SD220SN1D

Mouser Part No
81-BLM18SD220SN1D

Murata Electronics

Ferrite Beads 22 OHM Alternate Sizing Guide Below

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Datasheet

44,424In Stock

96,000On Order

Cut Tape

£0.127

£0.093

£0.08

£0.072

View

Reel

£0.034

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 330 OHM Alternate Sizing Guide Below

BLM21SP331SN1D
Murata Electronics
1: £0.233
24,397In Stock
56,000On Order

Mfr. Part No.
BLM21SP331SN1D

Mouser Part No
81-BLM21SP331SN1D

Murata Electronics

Ferrite Beads 330 OHM Alternate Sizing Guide Below

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Datasheet

24,397In Stock

56,000On Order

Cut Tape

£0.233

£0.163

£0.142

£0.127

View

Reel

£0.06

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Common Mode Chokes / Filters 800 NH

PLT10HH450180PNL
Murata Electronics
1: £7.54
1,018In Stock

Mfr. Part No.
PLT10HH450180PNL

Mouser Part No
81-PLT10HH450180PNL

Murata Electronics

Common Mode Chokes / Filters 800 NH

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Datasheet

1,018In Stock

Cut Tape

£7.54

£6.29

£5.82

£5.52

Reel

£5.05

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes / Filters 9 UH

PLT10HH501100PNL
Murata Electronics
1: £3.40
3,677In Stock

Mfr. Part No.
PLT10HH501100PNL

Mouser Part No
81-PLT10HH501100PNL

Murata Electronics

Common Mode Chokes / Filters 9 UH

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Datasheet

3,677In Stock

Cut Tape

£3.40

£2.79

£2.58

£2.44

Reel

£2.23

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes / Filters 14 UH 100V 6A

PLT10HH9016R0PNL
Murata Electronics
1: £3.40
1,551In Stock

Mfr. Part No.
PLT10HH9016R0PNL

Mouser Part No
81-PLT10HH9016R0PNL

Murata Electronics

Common Mode Chokes / Filters 14 UH 100V 6A

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Datasheet

1,551In Stock

Cut Tape

£3.40

£2.79

£2.58

£2.44

Reel

£2.23

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM21SP102SN1D
Murata Electronics
1: £0.233
156,432In Stock

Mfr. Part No.
BLM21SP102SN1D

Mouser Part No
81-BLM21SP102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

156,432In 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 110 OHM Alternate Sizing Guide Below

BLM21SP111SN1D
Murata Electronics
1: £0.233
36,130In Stock
216,000On Order

Mfr. Part No.
BLM21SP111SN1D

Mouser Part No
81-BLM21SP111SN1D

Murata Electronics

Ferrite Beads 110 OHM Alternate Sizing Guide Below

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Datasheet

36,130In Stock

216,000On Order

Cut Tape

£0.233

£0.163

£0.142

£0.127

View

Reel

£0.059

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

BLM31SN500SN1L
Murata Electronics
1: £0.315
17,996In Stock
338,910On 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

17,996In Stock

338,910On Order

Cut Tape

£0.315

£0.22

£0.189

£0.16

View

Reel

£0.093

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

EMI Filter Circuits 35 DB 50V 20A SMD

BNX022-01L
Murata Electronics
1: £3.67
3,304In Stock
32,000On Order

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

3,304In Stock

32,000On Order

Cut Tape

£3.67

£2.99

£2.76

£2.60

Reel

£1.96

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

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

PLT10HH101150PNL
Murata Electronics
1: £7.66
1,026In Stock
3,250On Order

Mfr. Part No.
PLT10HH101150PNL

Mouser Part No
81-PLT10HH101150PNL

Murata Electronics

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

Learn More

Datasheet

1,026In Stock

3,250On Order

Cut Tape

£7.66

£6.46

£5.98

£5.74

Reel

£5.34

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

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

PLT10HH1026R0PNL
Murata Electronics
1: £3.40
2,865In Stock
5,625On Order

Mfr. Part No.
PLT10HH1026R0PNL

Mouser Part No
81-PLT10HH1026R0PNL

Murata Electronics

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

Learn More

Datasheet

2,865In Stock

5,625On Order

Cut Tape

£3.40

£2.79

£2.58

£2.44

Reel

£2.23

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes / Filters 6 UH

PLT10HH401100PNL
Murata Electronics
1: £3.60
956In Stock
1,100Expected 06/10/2026

Mfr. Part No.
PLT10HH401100PNL

Mouser Part No
81-PLT10HH401100PNL

Murata Electronics

Common Mode Chokes / Filters 6 UH

Learn More

Datasheet

956In Stock

1,100Expected 06/10/2026

Cut Tape

£3.60

£2.96

£2.74

£2.58

Reel

£2.37

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM15KD121SN1D
Murata Electronics
1: £0.075
21,817In Stock
20,000Expected 27/11/2026

Mfr. Part No.
BLM15KD121SN1D

Mouser Part No
81-BLM15KD121SN1D

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

21,817In Stock

20,000Expected 27/11/2026

Cut Tape

£0.075

£0.051

£0.04

£0.036

View

Reel

£0.015

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Ferrite Beads 20 OHM Alternate Sizing Guide Below

BLM15KD200SN1D
Murata Electronics
1: £0.075
63,124In Stock
110,000Expected 01/12/2026

Mfr. Part No.
BLM15KD200SN1D

Mouser Part No
81-BLM15KD200SN1D

Murata Electronics

Ferrite Beads 20 OHM Alternate Sizing Guide Below

Learn More

Datasheet

63,124In Stock

110,000Expected 01/12/2026

Cut Tape

£0.075

£0.051

£0.04

£0.036

View

Reel

£0.015

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Power Supply Line Noise Suppression for Home Audio

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