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: £0.225
211,402In 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

211,402In Stock

Cut Tape

£0.225

£0.157

£0.137

£0.121

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: £0.271
149,504In 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

149,504In Stock

Cut Tape

£0.271

£0.192

£0.167

£0.148

View

Reel

£0.075

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM21SP601SN1D
Murata Electronics
1: £0.225
184,421In 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

184,421In Stock

Cut Tape

£0.225

£0.157

£0.137

£0.121

View

Reel

£0.059

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

EMI Filter Circuits 35 DB 50V 20A SMD

BNX022-01L
Murata Electronics
1: £3.35
19,250In Stock

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

19,250In Stock

Cut Tape

£3.35

£2.80

£2.58

£2.44

Reel

£1.96

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Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 4.7 UF 50V 20A

BNX024H01L
Murata Electronics
1: £4.38
8,532In Stock
14,400On Order

Mfr. Part No.
BNX024H01L

Mouser Part No
81-BNX024H01L

Murata Electronics

EMI Filter Circuits 4.7 UF 50V 20A

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Datasheet

8,532In Stock

14,400On Order

Cut Tape

£4.38

£4.09

£3.82

£3.21

Reel

£2.47

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MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: £0.278
48,711In Stock
112,500On Order

Mfr. Part No.
BLM31KN471SN1L

Mouser Part No
81-BLM31KN471SN1L

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

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Datasheet

48,711In Stock

112,500On Order

Cut Tape

£0.278

£0.196

£0.17

£0.153

View

Reel

£0.075

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: £0.271
38,219In Stock

Mfr. Part No.
BLM31KN601SN1L

Mouser Part No
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

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Datasheet

38,219In Stock

Cut Tape

£0.271

£0.192

£0.167

£0.134

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: £0.278
53,928In 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

53,928In Stock

Cut Tape

£0.278

£0.196

£0.17

£0.153

View

Reel

£0.075

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: £0.075
405,447In 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

405,447In Stock

Cut Tape

£0.075

£0.045

£0.036

£0.032

Reel

£0.016

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

BLM18KG471SN1D
Murata Electronics
1: £0.075
84,086In Stock
148,000On Order

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

84,086In Stock

148,000On Order

Cut Tape

£0.075

£0.045

£0.036

£0.032

Reel

£0.017

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

BLM18KG601SN1D
Murata Electronics
1: £0.075
81,943In Stock
520,000On 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

81,943In Stock

520,000On Order

Cut Tape

£0.075

£0.045

£0.036

£0.032

Reel

£0.016

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM18SP300SN1D
Murata Electronics
1: £0.18
95,622In 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

95,622In Stock

Cut Tape

£0.18

£0.126

£0.11

£0.099

View

Reel

£0.045

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

BLM21SN300SN1D
Murata Electronics
1: £0.142
27,747In Stock
92,000On Order

Mfr. Part No.
BLM21SN300SN1D

Mouser Part No
81-BLM21SN300SN1D

Murata Electronics

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

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Datasheet

27,747In Stock

92,000On Order

Cut Tape

£0.142

£0.101

£0.088

£0.079

View

Reel

£0.036

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 110 OHM Alternate Sizing Guide Below

BLM21SP111SN1D
Murata Electronics
1: £0.225
17,051In Stock
88,000On 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

17,051In Stock

88,000On Order

Cut Tape

£0.225

£0.157

£0.137

£0.121

View

Reel

£0.059

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 330 OHM Alternate Sizing Guide Below

BLM21SP331SN1D
Murata Electronics
1: £0.225
22,850In Stock

Mfr. Part No.
BLM21SP331SN1D

Mouser Part No
81-BLM21SP331SN1D

Murata Electronics

Ferrite Beads 330 OHM Alternate Sizing Guide Below

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Datasheet

22,850In Stock

Cut Tape

£0.225

£0.157

£0.137

£0.121

View

Reel

£0.059

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121SN1L
Murata Electronics
1: £0.271
16,029In Stock
50,000On Order

Mfr. Part No.
BLM31KN121SN1L

Mouser Part No
81-BLM31KN121SN1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

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Datasheet

16,029In Stock

50,000On Order

Cut Tape

£0.271

£0.192

£0.167

£0.149

View

Reel

£0.075

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

BLM31SN500SN1L
Murata Electronics
1: £0.292
53,531In Stock
90,000On 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

53,531In Stock

90,000On Order

Cut Tape

£0.292

£0.203

£0.176

£0.158

View

Reel

£0.079

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

EMI Filter Circuits 10.0 UF 25V 20A

BNX025H01L
Murata Electronics
1: £4.20
3,679In Stock
10,400On Order

Mfr. Part No.
BNX025H01L

Mouser Part No
81-BNX025H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 25V 20A

Learn More

Datasheet

3,679In Stock

10,400On Order

Cut Tape

£4.20

£3.51

£3.10

£2.95

Reel

£2.49

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 22.0 UF 16V 20A

BNX027H01L
Murata Electronics
1: £4.90
1,343In Stock
2,800On Order

Mfr. Part No.
BNX027H01L

Mouser Part No
81-BNX027H01L

Murata Electronics

EMI Filter Circuits 22.0 UF 16V 20A

Learn More

Datasheet

1,343In Stock

2,800On Order

Cut Tape

£4.90

£4.00

£3.68

£3.47

Reel

£2.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 16 V 15A

BNX028-01L
Murata Electronics
1: £4.16
1,575In Stock
5,600On Order

Mfr. Part No.
BNX028-01L

Mouser Part No
81-BNX028-01L

Murata Electronics

EMI Filter Circuits 16 V 15A

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Datasheet

1,575In Stock

5,600On Order

Cut Tape

£4.16

£3.46

£3.20

£3.04

Reel

£2.52

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: £4.34
1,071In Stock

Mfr. Part No.
BNX029-01L

Mouser Part No
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

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Datasheet

1,071In Stock

Cut Tape

£4.34

£3.54

£3.27

£3.07

Reel

£2.58

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

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

PLT10HH1026R0PNL
Murata Electronics
1: £3.18
1,981In Stock
2,000Expected 19/05/2026

Mfr. Part No.
PLT10HH1026R0PNL

Mouser Part No
81-PLT10HH1026R0PNL

Murata Electronics

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

Learn More

Datasheet

1,981In Stock

2,000Expected 19/05/2026

Cut Tape

£3.18

£2.68

£2.51

£2.38

Reel

£2.10

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Common Mode Chokes / Filters 6 UH

PLT10HH401100PNL
Murata Electronics
1: £3.57
1,291In Stock
750Expected 04/08/2026

Mfr. Part No.
PLT10HH401100PNL

Mouser Part No
81-PLT10HH401100PNL

Murata Electronics

Common Mode Chokes / Filters 6 UH

Learn More

Datasheet

1,291In Stock

750Expected 04/08/2026

Cut Tape

£3.57

£2.91

£2.68

£2.52

Reel

£2.35

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM15KD300SN1D
Murata Electronics
1: £0.075
5,180In Stock
40,000On Order

Mfr. Part No.
BLM15KD300SN1D

Mouser Part No
81-BLM15KD300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

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Datasheet

5,180In Stock

40,000On Order

Cut Tape

£0.075

£0.045

£0.038

£0.031

View

Reel

£0.015

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM15KD121SN1D
Murata Electronics
1: £0.075
16,466In Stock
30,000On Order

Mfr. Part No.
BLM15KD121SN1D

Mouser Part No
81-BLM15KD121SN1D

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

16,466In Stock

30,000On Order

Cut Tape

£0.075

£0.048

£0.038

£0.035

View

Reel

£0.015

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Power Supply Line Noise Suppression for Home Audio

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