Passive Components – Mouser Canada

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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 #

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

PLT10HH101150PNL
Murata Electronics
1: $14.70
100In Stock
2,250On Order

Mfr. Part #
PLT10HH101150PNL

Mouser Part #
81-PLT10HH101150PNL

Murata Electronics

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

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Datasheet

100In Stock

2,250On Order

Cut Tape

$14.70

$12.40

$11.48

$11.00

Reel

$10.25

View

MouseReel Available

Min.: 1
Mult.: 1

: 125

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM15KD121SN1D
Murata Electronics
1: $0.144
32,407In Stock

Mfr. Part #
BLM15KD121SN1D

Mouser Part #
81-BLM15KD121SN1D

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

32,407In Stock

Cut Tape

$0.144

$0.098

$0.076

$0.069

View

Reel

$0.029

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

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

BLM18SP101SN1D
Murata Electronics
1: $0.36
15,561In Stock
12,000Expected 2026-09-24

Mfr. Part #
BLM18SP101SN1D

Mouser Part #
81-BLM18SP101SN1D

Murata Electronics

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

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Datasheet

15,561In Stock

12,000Expected 2026-09-24

Cut Tape

$0.36

$0.253

$0.22

$0.197

View

Reel

$0.085

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18SP102SN1D
Murata Electronics
1: $0.36
6,926In Stock
28,000Expected 2026-10-29

Mfr. Part #
BLM18SP102SN1D

Mouser Part #
81-BLM18SP102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

6,926In Stock

28,000Expected 2026-10-29

Cut Tape

$0.36

$0.253

$0.22

$0.197

View

Reel

$0.085

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

BLM18SP221SN1D
Murata Electronics
1: $0.36
11,850In Stock

Mfr. Part #
BLM18SP221SN1D

Mouser Part #
81-BLM18SP221SN1D

Murata Electronics

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

Learn More

Datasheet

11,850In Stock

Cut Tape

$0.36

$0.253

$0.22

$0.197

View

Reel

$0.085

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM18SP601SN1D
Murata Electronics
1: $0.36
325In Stock
60,000On Order

Mfr. Part #
BLM18SP601SN1D

Mouser Part #
81-BLM18SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

325In Stock

60,000On Order

Cut Tape

$0.36

$0.248

$0.216

$0.193

View

Reel

$0.089

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM21SP471SN1D
Murata Electronics
1: $0.446
205In Stock
44,000On Order

Mfr. Part #
BLM21SP471SN1D

Mouser Part #
81-BLM21SP471SN1D

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

205In Stock

44,000On Order

Cut Tape

$0.446

$0.314

$0.274

$0.245

View

Reel

$0.109

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 70 OHM Alternate Sizing Guide Below

BLM21SP700SN1D
Murata Electronics
1: $0.446
11,782In Stock
12,000Expected 2026-12-14

Mfr. Part #
BLM21SP700SN1D

Mouser Part #
81-BLM21SP700SN1D

Murata Electronics

Ferrite Beads 70 OHM Alternate Sizing Guide Below

Learn More

Datasheet

11,782In Stock

12,000Expected 2026-12-14

Cut Tape

$0.446

$0.314

$0.274

$0.245

View

Reel

$0.109

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

BLM31KN102SN1L
Murata Electronics
1: $0.576
626In Stock
182,500On Order

Mfr. Part #
BLM31KN102SN1L

Mouser Part #
81-BLM31KN102SN1L

Murata Electronics

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

Learn More

Datasheet

626In Stock

182,500On Order

Cut Tape

$0.576

$0.399

$0.347

$0.31

Reel

$0.167

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: $0.576
10,486In Stock
175,000On Order

Mfr. Part #
BLM31KN471SN1L

Mouser Part #
81-BLM31KN471SN1L

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

10,486In Stock

175,000On Order

Cut Tape

$0.576

$0.399

$0.347

$0.31

Reel

$0.161

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

EMI Filter Circuits 16 V 15A

BNX028-01L
Murata Electronics
1: $8.74
265In Stock
12,800On Order

Mfr. Part #
BNX028-01L

Mouser Part #
81-BNX028-01L

Murata Electronics

EMI Filter Circuits 16 V 15A

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Datasheet

265In Stock

12,800On Order

Cut Tape

$8.74

$7.13

$6.58

$6.19

Reel

$4.69

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

BLM31KN271SN1L
Murata Electronics
1: $0.547
297,500On Order

Mfr. Part #
BLM31KN271SN1L

Mouser Part #
81-BLM31KN271SN1L

Murata Electronics

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

Learn More

Datasheet

297,500On Order

Cut Tape

$0.547

$0.387

$0.337

$0.301

Reel

$0.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: $9.26
5,388On Order

Mfr. Part #
BNX029-01L

Mouser Part #
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

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Datasheet

5,388On Order

Cut Tape

$9.26

$7.56

$6.97

$6.55

Reel

$4.98

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: $0.144
216,000On Order

Mfr. Part #
BLM18KG331SN1D

Mouser Part #
81-BLM18KG331SN1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

216,000On Order

Cut Tape

$0.144

$0.092

$0.072

$0.065

Reel

$0.032

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 33 OHM Alternate Sizing Guide Below

BLM18SG330SN1D
Murata Electronics
1: $0.288
90,982On Order

Mfr. Part #
BLM18SG330SN1D

Mouser Part #
81-BLM18SG330SN1D

Murata Electronics

Ferrite Beads 33 OHM Alternate Sizing Guide Below

Learn More

Datasheet

90,982On Order

Cut Tape

$0.288

$0.199

$0.173

$0.154

View

Reel

$0.065

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 180 OHM 25%

BLM21SP181SN1D
Murata Electronics
1: $0.475
135,990On Order

Mfr. Part #
BLM21SP181SN1D

Mouser Part #
81-BLM21SP181SN1D

Murata Electronics

Ferrite Beads 180 OHM 25%

Learn More

Datasheet

135,990On Order

Cut Tape

$0.475

$0.324

$0.281

$0.252

View

Reel

$0.108

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121SN1L
Murata Electronics
1: $0.547
103,167On Order

Mfr. Part #
BLM31KN121SN1L

Mouser Part #
81-BLM31KN121SN1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

103,167On Order

Cut Tape

$0.547

$0.387

$0.337

$0.301

Reel

$0.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: $0.59
110,401On Order

Mfr. Part #
BLM31KN601SN1L

Mouser Part #
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

110,401On Order

Cut Tape

$0.59

$0.405

$0.351

$0.314

Reel

$0.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

BLM31KN801SN1L
Murata Electronics
1: $0.547
72,212On Order

Mfr. Part #
BLM31KN801SN1L

Mouser Part #
81-BLM31KN801SN1L

Murata Electronics

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

Learn More

Datasheet

72,212On Order

Cut Tape

$0.547

$0.399

$0.337

$0.301

Reel

$0.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM15KD300SN1D
Murata Electronics
1: $0.144
59,200On Order

Mfr. Part #
BLM15KD300SN1D

Mouser Part #
81-BLM15KD300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

59,200On Order

Cut Tape

$0.144

$0.086

$0.072

$0.06

View

Reel

$0.029

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Ferrite Beads

BLM02KX100SN1D
Murata Electronics
15,000: $0.092
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
BLM02KX100SN1D

Mouser Part #
81-BLM02KX100SN1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

$0.092

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

: 15,000

Power Supply Line Noise Suppression for Home Audio

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