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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Types of Passive Components

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Part #

Ferrite Beads

BLM02KX180SN1D
Murata Electronics
1: £0.18
17,000In Stock
45,000Expected 24/03/2026

Mfr. Part No.
BLM02KX180SN1D

Mouser Part No
81-BLM02KX180SN1D

Murata Electronics

Ferrite Beads

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Datasheet

17,000In Stock

45,000Expected 24/03/2026

Cut Tape

£0.18

£0.126

£0.11

£0.099

View

Reel

£0.046

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

Ferrite Beads FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below

BLM18SP101SN1D
Murata Electronics
1: £0.18
9,762In Stock

Mfr. Part No.
BLM18SP101SN1D

Mouser Part No
81-BLM18SP101SN1D

Murata Electronics

Ferrite Beads FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below

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Datasheet

9,762In Stock

Cut Tape

£0.18

£0.126

£0.11

£0.099

View

Reel

£0.051

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM18SP601SN1D
Murata Electronics
1: £0.18
12,566In Stock

Mfr. Part No.
BLM18SP601SN1D

Mouser Part No
81-BLM18SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

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Datasheet

12,566In Stock

Cut Tape

£0.18

£0.126

£0.11

£0.099

View

Reel

£0.045

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121SN1L
Murata Electronics
1: £0.271
12,243In Stock
24,800On 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

12,243In Stock

24,800On Order

Cut Tape

£0.271

£0.192

£0.167

£0.149

View

Reel

£0.075

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

EMI Filter Circuits 22.0 UF 16V 20A

BNX027H01L
Murata Electronics
1: £5.31
71In Stock
2,800On Order

Mfr. Part No.
BNX027H01L

Mouser Part No
81-BNX027H01L

Murata Electronics

EMI Filter Circuits 22.0 UF 16V 20A

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Datasheet

71In Stock

2,800On Order

Cut Tape

£5.31

£4.48

£3.74

£3.62

Reel

£2.75

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

Common Mode Chokes / Filters 800 NH

PLT10HH450180PNL
Murata Electronics
1: £7.98
7In Stock
625On Order

Mfr. Part No.
PLT10HH450180PNL

Mouser Part No
81-PLT10HH450180PNL

Murata Electronics

Common Mode Chokes / Filters 800 NH

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Datasheet

7In Stock

625On Order

Cut Tape

£7.98

£6.51

£6.01

£5.66

Reel

£5.04

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM15KD121SN1D
Murata Electronics
1: £0.075
18,241In Stock
10,000Expected 14/04/2026

Mfr. Part No.
BLM15KD121SN1D

Mouser Part No
81-BLM15KD121SN1D

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

18,241In Stock

10,000Expected 14/04/2026

Cut Tape

£0.075

£0.048

£0.038

£0.035

View

Reel

£0.015

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Ferrite Beads 20 OHM Alternate Sizing Guide Below

BLM15KD200SN1D
Murata Electronics
1: £0.075
3,882In Stock
80,000On Order

Mfr. Part No.
BLM15KD200SN1D

Mouser Part No
81-BLM15KD200SN1D

Murata Electronics

Ferrite Beads 20 OHM Alternate Sizing Guide Below

Learn More

Datasheet

3,882In Stock

80,000On Order

Cut Tape

£0.075

£0.048

£0.038

£0.035

View

Reel

£0.015

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM15KD300SN1D
Murata Electronics
1: £0.075
104In Stock
50,000On Order

Mfr. Part No.
BLM15KD300SN1D

Mouser Part No
81-BLM15KD300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

104In Stock

50,000On Order

Cut Tape

£0.075

£0.044

£0.036

£0.031

View

Reel

£0.015

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

BLM18KG601SN1D
Murata Electronics
1: £0.075
55,506In Stock
359,000On Order

Mfr. Part No.
BLM18KG601SN1D

Mouser Part No
81-BLM18KG601SN1D

Murata Electronics

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

55,506In Stock

359,000On Order

Cut Tape

£0.075

£0.046

£0.037

£0.033

View

Reel

£0.014

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 22 OHM Alternate Sizing Guide Below

BLM18SD220SN1D
Murata Electronics
1: £0.105
3,135In Stock
36,000On 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

3,135In Stock

36,000On Order

Cut Tape

£0.105

£0.069

£0.062

£0.057

View

Reel

£0.031

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18SP102SN1D
Murata Electronics
1: £0.18
1,718In Stock
12,000Expected 14/04/2026

Mfr. Part No.
BLM18SP102SN1D

Mouser Part No
81-BLM18SP102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

1,718In Stock

12,000Expected 14/04/2026

Cut Tape

£0.18

£0.126

£0.11

£0.099

View

Reel

£0.045

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads FB SMD 0603inch 220o hm NONAUTO Alternate Sizing Guide Below

BLM18SP221SN1D
Murata Electronics
1: £0.18
12,903In Stock

Mfr. Part No.
BLM18SP221SN1D

Mouser Part No
81-BLM18SP221SN1D

Murata Electronics

Ferrite Beads FB SMD 0603inch 220o hm NONAUTO Alternate Sizing Guide Below

Learn More

Datasheet

12,903In Stock

Cut Tape

£0.18

£0.126

£0.11

£0.099

View

Reel

£0.046

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 180 OHM 25%

BLM21SP181SN1D
Murata Electronics
1: £0.225
15,816In Stock

Mfr. Part No.
BLM21SP181SN1D

Mouser Part No
81-BLM21SP181SN1D

Murata Electronics

Ferrite Beads 180 OHM 25%

Learn More

Datasheet

15,816In Stock

Cut Tape

£0.225

£0.159

£0.138

£0.123

View

Reel

£0.069

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM21SP471SN1D
Murata Electronics
1: £0.225
7,595In Stock
8,000Expected 16/04/2026

Mfr. Part No.
BLM21SP471SN1D

Mouser Part No
81-BLM21SP471SN1D

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

7,595In Stock

8,000Expected 16/04/2026

Cut Tape

£0.225

£0.157

£0.137

£0.121

View

Reel

£0.059

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 70 OHM Alternate Sizing Guide Below

BLM21SP700SN1D
Murata Electronics
1: £0.225
7,520In Stock
8,000Expected 18/02/2026

Mfr. Part No.
BLM21SP700SN1D

Mouser Part No
81-BLM21SP700SN1D

Murata Electronics

Ferrite Beads 70 OHM Alternate Sizing Guide Below

Learn More

Datasheet

7,520In Stock

8,000Expected 18/02/2026

Cut Tape

£0.225

£0.157

£0.137

£0.121

View

Reel

£0.059

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

BLM31KN271SN1L
Murata Electronics
1: £0.271
2,592In Stock
57,500On Order

Mfr. Part No.
BLM31KN271SN1L

Mouser Part No
81-BLM31KN271SN1L

Murata Electronics

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

Learn More

Datasheet

2,592In Stock

57,500On Order

Cut Tape

£0.271

£0.192

£0.167

£0.149

View

Reel

£0.076

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Common Mode Chokes / Filters 9 UH

PLT10HH501100PNL
Murata Electronics
1: £3.24
148In Stock
1,555On Order

Mfr. Part No.
PLT10HH501100PNL

Mouser Part No
81-PLT10HH501100PNL

Murata Electronics

Common Mode Chokes / Filters 9 UH

Learn More

Datasheet

148In Stock

1,555On Order

Cut Tape

£3.24

£2.76

£2.59

£2.47

Reel

£2.28

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

EMI Filter Circuits 500M Ohm 100Volts 15A

BNX02301L
Murata Electronics
1: £3.69
8,439On Order

Mfr. Part No.
BNX02301L

Mouser Part No
81-BNX023-01L

Murata Electronics

EMI Filter Circuits 500M Ohm 100Volts 15A

Learn More

Datasheet

8,439On Order

Cut Tape

£3.69

£2.87

£2.70

£2.57

Reel

£2.12

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

Ferrite Beads 33 OHM Alternate Sizing Guide Below

BLM18SG330SN1D
Murata Electronics
1: £0.135
40,000On Order

Mfr. Part No.
BLM18SG330SN1D

Mouser Part No
81-BLM18SG330SN1D

Murata Electronics

Ferrite Beads 33 OHM Alternate Sizing Guide Below

Learn More

Datasheet

40,000On Order

Cut Tape

£0.135

£0.095

£0.083

£0.074

View

Reel

£0.033

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads

BLM02KX100SN1D
Murata Electronics
15,000: £0.046
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
BLM02KX100SN1D

Mouser Part No
81-BLM02KX100SN1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

£0.046

Min.: 15,000
Mult.: 15,000

Reel: 15,000

Power Supply Line Noise Suppression for Home Audio

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