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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Types of Passive Components

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Part #

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: $0.544
1,194In Stock
175,000On 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

1,194In Stock

175,000On Order

Cut Tape

$0.544

$0.377

$0.328

$0.292

Reel

$0.152

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

BLM31SN500SN1L
Murata Electronics
1: $0.544
75,845In Stock
225,000On 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

75,845In Stock

225,000On Order

Cut Tape

$0.544

$0.379

$0.329

$0.294

View

Reel

$0.137

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

EMI Filter Circuits 16 V 15A

BNX028-01L
Murata Electronics
1: $8.26
2,139In Stock
3,200Expected 21/9/2026

Mfr. Part No.
BNX028-01L

Mouser Part No
81-BNX028-01L

Murata Electronics

EMI Filter Circuits 16 V 15A

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Datasheet

2,139In Stock

3,200Expected 21/9/2026

Cut Tape

$8.26

$6.73

$6.22

$5.85

Reel

$4.43

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM15KD121SN1D
Murata Electronics
1: $0.136
34,857In Stock

Mfr. Part No.
BLM15KD121SN1D

Mouser Part No
81-BLM15KD121SN1D

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

34,857In Stock

Cut Tape

$0.136

$0.092

$0.072

$0.065

View

Reel

$0.027

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Ferrite Beads 20 OHM Alternate Sizing Guide Below

BLM15KD200SN1D
Murata Electronics
1: $0.136
19,752In Stock
90,000Expected 11/8/2026

Mfr. Part No.
BLM15KD200SN1D

Mouser Part No
81-BLM15KD200SN1D

Murata Electronics

Ferrite Beads 20 OHM Alternate Sizing Guide Below

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Datasheet

19,752In Stock

90,000Expected 11/8/2026

Cut Tape

$0.136

$0.092

$0.072

$0.065

View

Reel

$0.027

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: $0.136
216,306Expected 31/12/2026

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

216,306Expected 31/12/2026

Cut Tape

$0.136

$0.087

$0.068

$0.061

Reel

$0.03

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

BLM18SP101SN1D
Murata Electronics
1: $0.34
19,818In Stock
12,000Expected 24/9/2026

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

19,818In Stock

12,000Expected 24/9/2026

Cut Tape

$0.34

$0.239

$0.208

$0.186

View

Reel

$0.08

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18SP102SN1D
Murata Electronics
1: $0.34
7,401In Stock
28,000Expected 29/10/2026

Mfr. Part No.
BLM18SP102SN1D

Mouser Part No
81-BLM18SP102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

7,401In Stock

28,000Expected 29/10/2026

Cut Tape

$0.34

$0.239

$0.208

$0.186

View

Reel

$0.08

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM18SP601SN1D
Murata Electronics
1: $0.34
7,490In Stock
32,000On Order

Mfr. Part No.
BLM18SP601SN1D

Mouser Part No
81-BLM18SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

7,490In Stock

32,000On Order

Cut Tape

$0.34

$0.234

$0.204

$0.182

View

Reel

$0.084

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM21SP471SN1D
Murata Electronics
1: $0.422
5,550In Stock
44,000On Order

Mfr. Part No.
BLM21SP471SN1D

Mouser Part No
81-BLM21SP471SN1D

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

5,550In Stock

44,000On Order

Cut Tape

$0.422

$0.296

$0.258

$0.231

View

Reel

$0.103

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 70 OHM Alternate Sizing Guide Below

BLM21SP700SN1D
Murata Electronics
1: $0.422
11,782In Stock
12,000Expected 14/12/2026

Mfr. Part No.
BLM21SP700SN1D

Mouser Part No
81-BLM21SP700SN1D

Murata Electronics

Ferrite Beads 70 OHM Alternate Sizing Guide Below

Learn More

Datasheet

11,782In Stock

12,000Expected 14/12/2026

Cut Tape

$0.422

$0.296

$0.258

$0.231

View

Reel

$0.103

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

BLM31KN271SN1L
Murata Electronics
1: $0.517
371In Stock
297,500On 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

371In Stock

297,500On Order

Cut Tape

$0.517

$0.366

$0.318

$0.284

Reel

$0.132

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

BLM31KN801SN1L
Murata Electronics
1: $0.517
1,133In Stock
47,500On Order

Mfr. Part No.
BLM31KN801SN1L

Mouser Part No
81-BLM31KN801SN1L

Murata Electronics

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

Learn More

Datasheet

1,133In Stock

47,500On Order

Cut Tape

$0.517

$0.377

$0.328

$0.292

Reel

$0.158

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: $8.26
388Expected 23/9/2026

Mfr. Part No.
BNX029-01L

Mouser Part No
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

Learn More

Datasheet

388Expected 23/9/2026

Cut Tape

$8.26

$6.73

$6.22

$5.85

Reel

$4.43

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 33 OHM Alternate Sizing Guide Below

BLM18SG330SN1D
Murata Electronics
1: $0.272
50,982Expected 24/11/2026

Mfr. Part No.
BLM18SG330SN1D

Mouser Part No
81-BLM18SG330SN1D

Murata Electronics

Ferrite Beads 33 OHM Alternate Sizing Guide Below

Learn More

Datasheet

50,982Expected 24/11/2026

Cut Tape

$0.272

$0.182

$0.159

$0.143

View

Reel

$0.061

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 180 OHM 25%

BLM21SP181SN1D
Murata Electronics
1: $0.422
135,990On Order

Mfr. Part No.
BLM21SP181SN1D

Mouser Part No
81-BLM21SP181SN1D

Murata Electronics

Ferrite Beads 180 OHM 25%

Learn More

Datasheet

135,990On Order

Cut Tape

$0.422

$0.296

$0.258

$0.231

View

Reel

$0.103

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121SN1L
Murata Electronics
1: $0.517
99,487On Order

Mfr. Part No.
BLM31KN121SN1L

Mouser Part No
81-BLM31KN121SN1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

99,487On Order

Cut Tape

$0.517

$0.366

$0.318

$0.284

Reel

$0.132

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: $0.517
110,398On Order

Mfr. Part No.
BLM31KN601SN1L

Mouser Part No
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

110,398On Order

Cut Tape

$0.517

$0.366

$0.318

$0.284

View

Reel

$0.132

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM15KD300SN1D
Murata Electronics
1: $0.136
59,700Expected 16/3/2027

Mfr. Part No.
BLM15KD300SN1D

Mouser Part No
81-BLM15KD300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

59,700Expected 16/3/2027

Cut Tape

$0.136

$0.082

$0.068

$0.057

View

Reel

$0.027

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

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

BLM18SP221SN1D
Murata Electronics
1: $0.34
12,000Expected 4/9/2026

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

12,000Expected 4/9/2026

Cut Tape

$0.34

$0.239

$0.208

$0.186

View

Reel

$0.08

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

BLM02KX100SN1D
Murata Electronics
15,000: $0.087
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
BLM02KX100SN1D

Mouser Part No
81-BLM02KX100SN1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

$0.087

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

: 15,000

Power Supply Line Noise Suppression for Home Audio

Types of Passive Components

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