Passive Components – Mouser Singapore

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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: $0.417
212,558In 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

212,558In Stock

Cut Tape

$0.417

$0.291

$0.253

$0.225

View

Reel

$0.104

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

BLM31KN102SN1L
Murata Electronics
1: $0.50
150,289In 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

150,289In Stock

Cut Tape

$0.50

$0.356

$0.309

$0.275

View

Reel

$0.135

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM21SP601SN1D
Murata Electronics
1: $0.417
185,172In 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

185,172In Stock

Cut Tape

$0.417

$0.291

$0.253

$0.225

View

Reel

$0.106

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

EMI Filter Circuits 35 DB 50V 20A SMD

BNX022-01L
Murata Electronics
1: $6.44
13,134In Stock
6,315Expected 8/4/2026

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

13,134In Stock

6,315Expected 8/4/2026

Cut Tape

$6.44

$5.27

$4.87

$4.57

Reel

$3.60

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits 4.7 UF 50V 20A

BNX024H01L
Murata Electronics
1: $8.16
4,587In Stock
18,390On 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

4,587In Stock

18,390On Order

Cut Tape

$8.16

$7.67

$7.08

$5.98

Reel

$4.53

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits 10.0 UF 50V 20A

BNX026H01L
Murata Electronics
1: $9.06
3,728In Stock
25,465On Order

Mfr. Part No.
BNX026H01L

Mouser Part No
81-BNX026H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 50V 20A

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Datasheet

3,728In Stock

25,465On Order

Cut Tape

$9.06

$8.35

$7.52

$6.70

Reel

$5.12

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: $0.514
49,039In 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

49,039In Stock

112,500On Order

Cut Tape

$0.514

$0.364

$0.316

$0.282

View

Reel

$0.135

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: $0.50
38,237In Stock

Mfr. Part No.
BLM31KN601SN1L

Mouser Part No
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

38,237In Stock

Cut Tape

$0.50

$0.356

$0.309

$0.249

Reel

$0.135

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

BLM31KN801SN1L
Murata Electronics
1: $0.514
56,428In 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

56,428In Stock

Cut Tape

$0.514

$0.364

$0.316

$0.282

Reel

$0.135

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: $0.139
405,527In 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

405,527In Stock

Cut Tape

$0.139

$0.085

$0.067

$0.06

Reel

$0.029

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

BLM18KG471SN1D
Murata Electronics
1: $0.139
88,319In Stock
144,000On Order

Mfr. Part No.
BLM18KG471SN1D

Mouser Part No
81-BLM18KG471SN1D

Murata Electronics

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

88,319In Stock

144,000On Order

Cut Tape

$0.139

$0.085

$0.067

$0.06

Reel

$0.031

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

BLM18KG601SN1D
Murata Electronics
1: $0.139
123,666In Stock
492,000On Order

Mfr. Part No.
BLM18KG601SN1D

Mouser Part No
81-BLM18KG601SN1D

Murata Electronics

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

123,666In Stock

492,000On Order

Cut Tape

$0.139

$0.085

$0.067

$0.06

Reel

$0.029

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM18SP300SN1D
Murata Electronics
1: $0.334
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

$0.334

$0.234

$0.203

$0.182

View

Reel

$0.081

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

BLM21SN300SN1D
Murata Electronics
1: $0.264
35,747In Stock
88,000On Order

Mfr. Part No.
BLM21SN300SN1D

Mouser Part No
81-BLM21SN300SN1D

Murata Electronics

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

Learn More

Datasheet

35,747In Stock

88,000On Order

Cut Tape

$0.264

$0.188

$0.164

$0.146

View

Reel

$0.067

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 110 OHM Alternate Sizing Guide Below

BLM21SP111SN1D
Murata Electronics
1: $0.417
21,181In Stock
88,000On Order

Mfr. Part No.
BLM21SP111SN1D

Mouser Part No
81-BLM21SP111SN1D

Murata Electronics

Ferrite Beads 110 OHM Alternate Sizing Guide Below

Learn More

Datasheet

21,181In Stock

88,000On Order

Cut Tape

$0.417

$0.291

$0.253

$0.225

View

Reel

$0.106

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 330 OHM Alternate Sizing Guide Below

BLM21SP331SN1D
Murata Electronics
1: $0.417
22,850In Stock

Mfr. Part No.
BLM21SP331SN1D

Mouser Part No
81-BLM21SP331SN1D

Murata Electronics

Ferrite Beads 330 OHM Alternate Sizing Guide Below

Learn More

Datasheet

22,850In Stock

Cut Tape

$0.417

$0.291

$0.253

$0.225

View

Reel

$0.106

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121SN1L
Murata Electronics
1: $0.50
18,190In Stock
49,900On Order

Mfr. Part No.
BLM31KN121SN1L

Mouser Part No
81-BLM31KN121SN1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

18,190In Stock

49,900On Order

Cut Tape

$0.50

$0.356

$0.309

$0.277

Reel

$0.135

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

BLM31SN500SN1L
Murata Electronics
1: $0.542
53,785In Stock
90,000On Order

Mfr. Part No.
BLM31SN500SN1L

Mouser Part No
81-BLM31SN500SN1L

Murata Electronics

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

Learn More

Datasheet

53,785In Stock

90,000On Order

Cut Tape

$0.542

$0.377

$0.327

$0.292

View

Reel

$0.14

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

EMI Filter Circuits 500M Ohm 100Volts 15A

BNX02301L
Murata Electronics
1: $6.92
495In Stock
22,800On Order

Mfr. Part No.
BNX02301L

Mouser Part No
81-BNX023-01L

Murata Electronics

EMI Filter Circuits 500M Ohm 100Volts 15A

Learn More

Datasheet

495In Stock

22,800On Order

Cut Tape

$6.92

$5.66

$5.21

$4.91

Reel

$4.17

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits 10.0 UF 25V 20A

BNX025H01L
Murata Electronics
1: $7.85
3,692In 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

3,692In Stock

10,400On Order

Cut Tape

$7.85

$6.52

$5.84

$5.53

Reel

$4.53

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits 22.0 UF 16V 20A

BNX027H01L
Murata Electronics
1: $9.06
1,353In 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

1,353In Stock

2,800On Order

Cut Tape

$9.06

$7.39

$6.82

$6.42

Reel

$5.43

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits 16 V 15A

BNX028-01L
Murata Electronics
1: $7.96
1,675In Stock
5,500On Order

Mfr. Part No.
BNX028-01L

Mouser Part No
81-BNX028-01L

Murata Electronics

EMI Filter Circuits 16 V 15A

Learn More

Datasheet

1,675In Stock

5,500On Order

Cut Tape

$7.96

$6.56

$6.05

$5.73

Reel

$4.64

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: $8.03
1,078In Stock

Mfr. Part No.
BNX029-01L

Mouser Part No
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

Learn More

Datasheet

1,078In Stock

Cut Tape

$8.03

$6.56

$6.05

$5.69

Reel

$4.78

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

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

PLT10HH101150PNL
Murata Electronics
1: $14.00
500In Stock
750Expected 31/8/2026

Mfr. Part No.
PLT10HH101150PNL

Mouser Part No
81-PLT10HH101150PNL

Murata Electronics

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

Learn More

Datasheet

500In Stock

750Expected 31/8/2026

Cut Tape

$14.00

$11.63

$10.79

$10.45

Reel

$9.84

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

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

PLT10HH1026R0PNL
Murata Electronics
1: $5.88
1,987In Stock
2,000Expected 19/5/2026

Mfr. Part No.
PLT10HH1026R0PNL

Mouser Part No
81-PLT10HH1026R0PNL

Murata Electronics

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

Learn More

Datasheet

1,987In Stock

2,000Expected 19/5/2026

Cut Tape

$5.88

$4.96

$4.64

$4.42

Reel

$3.89

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

Power Supply Line Noise Suppression for Home Audio

Types of Passive Components

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