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 #

EMI Filter Circuits 35 DB 50V 20A SMD

BNX022-01L
Murata Electronics
1: £3.67
8,916In Stock
23,200On 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

8,916In Stock

23,200On Order

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
13,787In Stock
13,245On 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

13,787In Stock

13,245On Order

Cut Tape

£3.93

£3.20

£2.96

£2.78

Reel

£2.11

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Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 4.7 UF 50V 20A

BNX024H01L
Murata Electronics
1: £4.56
18,339In 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

18,339In Stock

Cut Tape

£4.56

£4.10

£3.65

£3.43

Reel

£2.44

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Min.: 1
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: 400

EMI Filter Circuits 10.0 UF 25V 20A

BNX025H01L
Murata Electronics
1: £4.56
10,591In 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

10,591In Stock

7,600Expected 30/09/2026

Cut Tape

£4.56

£3.72

£3.43

£3.23

Reel

£2.45

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: 400

EMI Filter Circuits 10.0 UF 50V 20A

BNX026H01L
Murata Electronics
1: £5.13
26,846In 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

26,846In Stock

Cut Tape

£5.13

£4.19

£3.87

£3.64

Reel

£2.76

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Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 16 V 15A

BNX028-01L
Murata Electronics
1: £4.56
5,171In 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

5,171In Stock

3,200Expected 30/09/2026

Cut Tape

£4.56

£3.72

£3.43

£3.23

Reel

£2.45

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Min.: 1
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: 400

Ferrite Beads

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

Mfr. Part No.
BLM02KX180SN1D

Mouser Part No
81-BLM02KX180SN1D

Murata Electronics

Ferrite Beads

Learn More

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 Alternate Sizing Guide Below

BLM18KG102SN1D
Murata Electronics
1: £0.075
257,519In Stock

Mfr. Part No.
BLM18KG102SN1D

Mouser Part No
81-BLM18KG102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

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Datasheet

257,519In Stock

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
361,744In Stock
192,000Expected 14/07/2026

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

361,744In Stock

192,000Expected 14/07/2026

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
335,822In 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

335,822In 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
171,663In 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

171,663In 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
242,459In Stock
675,488On 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

242,459In Stock

675,488On Order

Cut Tape

£0.075

£0.048

£0.038

£0.034

View

Reel

£0.017

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM18SP300SN1D
Murata Electronics
1: £0.173
94,475In 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

94,475In 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 1000 OHM Alternate Sizing Guide Below

BLM21SP102SN1D
Murata Electronics
1: £0.233
163,631In 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

163,631In 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
77,610In 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

77,610In 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

Learn More

Datasheet

60,801In Stock

420,000Expected 03/12/2026

Cut Tape

£0.233

£0.163

£0.142

£0.127

View

Reel

£0.079

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 70 OHM Alternate Sizing Guide Below

BLM21SP700SN1D
Murata Electronics
1: £0.233
17,062In Stock

Mfr. Part No.
BLM21SP700SN1D

Mouser Part No
81-BLM21SP700SN1D

Murata Electronics

Ferrite Beads 70 OHM Alternate Sizing Guide Below

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Datasheet

17,062In 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 1000 OHM 2A Alternate Sizing Guide Below

BLM31KN102SN1L
Murata Electronics
1: £0.30
70,239In 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

70,239In Stock

Cut Tape

£0.30

£0.208

£0.181

£0.162

Reel

£0.101

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: £0.285
103,013In 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

103,013In 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

EMI Filter Circuits 22.0 UF 16V 20A

BNX027H01L
Murata Electronics
1: £5.13
543In 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

543In Stock

5,600Expected 04/01/2027

Cut Tape

£5.13

£4.19

£3.86

£3.62

Reel

£2.77

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MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: £4.56
509In Stock
1,200On Order

Mfr. Part No.
BNX029-01L

Mouser Part No
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

Learn More

Datasheet

509In Stock

1,200On Order

Cut Tape

£4.56

£3.72

£3.43

£3.23

Reel

£2.44

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MouseReel Available

Min.: 1
Mult.: 1

: 400

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

PLT10HH1026R0PNL
Murata Electronics
1: £3.62
928In 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

928In Stock

3,500Expected 09/11/2026

Cut Tape

£3.62

£3.04

£2.81

£2.54

Reel

£2.17

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes / Filters 6 UH

PLT10HH401100PNL
Murata Electronics
1: £3.74
1,400In Stock
1,250Expected 22/12/2026

Mfr. Part No.
PLT10HH401100PNL

Mouser Part No
81-PLT10HH401100PNL

Murata Electronics

Common Mode Chokes / Filters 6 UH

Learn More

Datasheet

1,400In Stock

1,250Expected 22/12/2026

Cut Tape

£3.74

£3.06

£2.82

£2.65

Reel

£2.31

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes / Filters 9 UH

PLT10HH501100PNL
Murata Electronics
1: £3.64
4,116In Stock

Mfr. Part No.
PLT10HH501100PNL

Mouser Part No
81-PLT10HH501100PNL

Murata Electronics

Common Mode Chokes / Filters 9 UH

Learn More

Datasheet

4,116In Stock

Cut Tape

£3.64

£3.06

£2.82

£2.56

Reel

£2.25

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes / Filters 14 UH 100V 6A

PLT10HH9016R0PNL
Murata Electronics
1: £3.65
2,210In Stock

Mfr. Part No.
PLT10HH9016R0PNL

Mouser Part No
81-PLT10HH9016R0PNL

Murata Electronics

Common Mode Chokes / Filters 14 UH 100V 6A

Learn More

Datasheet

2,210In Stock

Cut Tape

£3.65

£2.98

£2.74

£2.58

Reel

£2.26

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Power Supply Line Noise Suppression for Home Audio

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