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 #

Ferrite Beads

BLM02KX180SN1D
Murata Electronics
1: $0.36
44,500In Stock

Mfr. Part #
BLM02KX180SN1D

Mouser Part #
81-BLM02KX180SN1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

44,500In Stock

Cut Tape

$0.36

$0.248

$0.216

$0.193

View

Reel

$0.092

MouseReel Available

Min.: 1
Mult.: 1

: 15,000

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM21SP102SN1D
Murata Electronics
1: $0.446
190,743In Stock

Mfr. Part #
BLM21SP102SN1D

Mouser Part #
81-BLM21SP102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

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Datasheet

190,743In Stock

Cut Tape

$0.446

$0.314

$0.274

$0.245

View

Reel

$0.108

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

BLM31KN102SN1L
Murata Electronics
1: $0.547
140,883In Stock

Mfr. Part #
BLM31KN102SN1L

Mouser Part #
81-BLM31KN102SN1L

Murata Electronics

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

Learn More

Datasheet

140,883In Stock

Cut Tape

$0.547

$0.387

$0.337

$0.301

View

Reel

$0.14

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

EMI Filter Circuits 35 DB 50V 20A SMD

BNX022-01L
Murata Electronics
1: $7.03
14,602In Stock
9,600Expected 2027-01-04

Mfr. Part #
BNX022-01L

Mouser Part #
81-BNX022-01L

Murata Electronics

EMI Filter Circuits 35 DB 50V 20A SMD

Learn More

Datasheet

14,602In Stock

9,600Expected 2027-01-04

Cut Tape

$7.03

$5.73

$5.28

$4.98

Reel

$3.74

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 500M Ohm 100Volts 15A

BNX02301L
Murata Electronics
1: $7.26
14,046In Stock
6,000Expected 2026-12-07

Mfr. Part #
BNX02301L

Mouser Part #
81-BNX023-01L

Murata Electronics

EMI Filter Circuits 500M Ohm 100Volts 15A

Learn More

Datasheet

14,046In Stock

6,000Expected 2026-12-07

Cut Tape

$7.26

$6.00

$5.59

$5.31

Reel

$4.08

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 4.7 UF 50V 20A

BNX024H01L
Murata Electronics
1: $8.74
14,438In Stock
6,400Expected 2026-06-03

Mfr. Part #
BNX024H01L

Mouser Part #
81-BNX024H01L

Murata Electronics

EMI Filter Circuits 4.7 UF 50V 20A

Learn More

Datasheet

14,438In Stock

6,400Expected 2026-06-03

Cut Tape

$8.74

$8.01

$7.27

$6.57

Reel

$4.69

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 10.0 UF 25V 20A

BNX025H01L
Murata Electronics
1: $8.74
5,500In Stock
6,000Expected 2026-06-03

Mfr. Part #
BNX025H01L

Mouser Part #
81-BNX025H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 25V 20A

Learn More

Datasheet

5,500In Stock

6,000Expected 2026-06-03

Cut Tape

$8.74

$7.13

$6.58

$6.19

Reel

$4.71

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 10.0 UF 50V 20A

BNX026H01L
Murata Electronics
1: $9.42
9,774In Stock
18,000Expected 2026-10-22

Mfr. Part #
BNX026H01L

Mouser Part #
81-BNX026H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 50V 20A

Learn More

Datasheet

9,774In Stock

18,000Expected 2026-10-22

Cut Tape

$9.42

$8.42

$7.95

$7.04

Reel

$5.54

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 16 V 15A

BNX028-01L
Murata Electronics
1: $8.05
5,947In Stock

Mfr. Part #
BNX028-01L

Mouser Part #
81-BNX028-01L

Murata Electronics

EMI Filter Circuits 16 V 15A

Learn More

Datasheet

5,947In Stock

Cut Tape

$8.05

$6.71

$6.18

$5.90

Reel

$4.91

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18KG102SN1D
Murata Electronics
1: $0.144
74,794In Stock
220,000On Order

Mfr. Part #
BLM18KG102SN1D

Mouser Part #
81-BLM18KG102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

74,794In Stock

220,000On Order

Cut Tape

$0.144

$0.066

$0.058

$0.055

View

Reel

$0.035

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: $0.144
366,609In Stock

Mfr. Part #
BLM18KG331SN1D

Mouser Part #
81-BLM18KG331SN1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

366,609In Stock

Cut Tape

$0.144

$0.088

$0.069

$0.062

Reel

$0.03

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

BLM18KG471SN1D
Murata Electronics
1: $0.144
134,753In Stock
68,000Expected 2026-06-03

Mfr. Part #
BLM18KG471SN1D

Mouser Part #
81-BLM18KG471SN1D

Murata Electronics

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

134,753In Stock

68,000Expected 2026-06-03

Cut Tape

$0.144

$0.092

$0.072

$0.065

Reel

$0.032

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM18SP300SN1D
Murata Electronics
1: $0.331
95,115In Stock

Mfr. Part #
BLM18SP300SN1D

Mouser Part #
81-BLM18SP300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

95,115In Stock

Cut Tape

$0.331

$0.226

$0.197

$0.177

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
27,249In Stock

Mfr. Part #
BLM18SP601SN1D

Mouser Part #
81-BLM18SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

27,249In Stock

Cut Tape

$0.36

$0.248

$0.216

$0.193

View

Reel

$0.089

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

BLM21SN300SN1D
Murata Electronics
1: $0.288
36,678In Stock
160,000On Order

Mfr. Part #
BLM21SN300SN1D

Mouser Part #
81-BLM21SN300SN1D

Murata Electronics

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

Learn More

Datasheet

36,678In Stock

160,000On Order

Cut Tape

$0.288

$0.204

$0.179

$0.16

View

Reel

$0.069

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 110 OHM Alternate Sizing Guide Below

BLM21SP111SN1D
Murata Electronics
1: $0.446
94,244In Stock
56,000Expected 2026-08-10

Mfr. Part #
BLM21SP111SN1D

Mouser Part #
81-BLM21SP111SN1D

Murata Electronics

Ferrite Beads 110 OHM Alternate Sizing Guide Below

Learn More

Datasheet

94,244In Stock

56,000Expected 2026-08-10

Cut Tape

$0.446

$0.308

$0.268

$0.239

View

Reel

$0.109

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM21SP471SN1D
Murata Electronics
1: $0.432
18,656In Stock

Mfr. Part #
BLM21SP471SN1D

Mouser Part #
81-BLM21SP471SN1D

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

18,656In Stock

Cut Tape

$0.432

$0.301

$0.262

$0.233

View

Reel

$0.109

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM21SP601SN1D
Murata Electronics
1: $0.432
65,364In Stock
420,000Expected 2026-12-03

Mfr. Part #
BLM21SP601SN1D

Mouser Part #
81-BLM21SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

65,364In Stock

420,000Expected 2026-12-03

Cut Tape

$0.432

$0.301

$0.262

$0.233

View

Reel

$0.109

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121SN1L
Murata Electronics
1: $0.533
13,236In Stock
75,000On Order

Mfr. Part #
BLM31KN121SN1L

Mouser Part #
81-BLM31KN121SN1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

13,236In Stock

75,000On Order

Cut Tape

$0.533

$0.377

$0.327

$0.294

Reel

$0.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

BLM31KN271SN1L
Murata Electronics
1: $0.547
32,685In Stock
127,500On Order

Mfr. Part #
BLM31KN271SN1L

Mouser Part #
81-BLM31KN271SN1L

Murata Electronics

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

Learn More

Datasheet

32,685In Stock

127,500On 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 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: $0.547
122,152In Stock

Mfr. Part #
BLM31KN471SN1L

Mouser Part #
81-BLM31KN471SN1L

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

122,152In Stock

Cut Tape

$0.547

$0.383

$0.331

$0.297

Reel

$0.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: $0.446
19,011In Stock

Mfr. Part #
BLM31KN601SN1L

Mouser Part #
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

19,011In Stock

Cut Tape

$0.446

$0.314

$0.266

$0.236

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: $0.518
44,139In Stock

Mfr. Part #
BLM31KN801SN1L

Mouser Part #
81-BLM31KN801SN1L

Murata Electronics

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

Learn More

Datasheet

44,139In Stock

Cut Tape

$0.518

$0.359

$0.308

$0.278

Reel

$0.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

BLM31SN500SN1L
Murata Electronics
1: $0.576
17,656In Stock
150,000On Order

Mfr. Part #
BLM31SN500SN1L

Mouser Part #
81-BLM31SN500SN1L

Murata Electronics

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

Learn More

Datasheet

17,656In Stock

150,000On Order

Cut Tape

$0.576

$0.402

$0.348

$0.311

View

Reel

$0.145

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: $8.32
526In Stock

Mfr. Part #
BNX029-01L

Mouser Part #
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

Learn More

Datasheet

526In Stock

Cut Tape

$8.32

$6.80

$6.26

$5.89

Reel

$4.97

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Power Supply Line Noise Suppression for Home Audio

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