Passive Components – Mouser Mexico

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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: $0.52
29,399In Stock
175,000On Order

Mfr. Part #
BLM31KN471SN1L

Mouser Part #
81-BLM31KN471SN1L

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

29,399In Stock

175,000On Order

Cut Tape

$0.52

$0.36

$0.313

$0.28

Reel

$0.146

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

BLM31SN500SN1L
Murata Electronics
1: $0.52
82,865In Stock
225,000On Order

Mfr. Part #
BLM31SN500SN1L

Mouser Part #
81-BLM31SN500SN1L

Murata Electronics

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

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Datasheet

82,865In Stock

225,000On Order

Cut Tape

$0.52

$0.363

$0.315

$0.281

View

Reel

$0.131

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

EMI Filter Circuits 16 V 15A

BNX028-01L
Murata Electronics
1: $7.89
3,470In Stock
3,200Expected 9/21/2026

Mfr. Part #
BNX028-01L

Mouser Part #
81-BNX028-01L

Murata Electronics

EMI Filter Circuits 16 V 15A

Learn More

Datasheet

3,470In Stock

3,200Expected 9/21/2026

Cut Tape

$7.89

$6.44

$5.94

$5.59

Reel

$4.24

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM15KD121SN1D
Murata Electronics
1: $0.13
34,857In Stock

Mfr. Part #
BLM15KD121SN1D

Mouser Part #
81-BLM15KD121SN1D

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

34,857In Stock

Cut Tape

$0.13

$0.088

$0.069

$0.062

View

Reel

$0.026

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Ferrite Beads 20 OHM Alternate Sizing Guide Below

BLM15KD200SN1D
Murata Electronics
1: $0.13
19,918In Stock
90,000Expected 8/11/2026

Mfr. Part #
BLM15KD200SN1D

Mouser Part #
81-BLM15KD200SN1D

Murata Electronics

Ferrite Beads 20 OHM Alternate Sizing Guide Below

Learn More

Datasheet

19,918In Stock

90,000Expected 8/11/2026

Cut Tape

$0.13

$0.088

$0.069

$0.062

View

Reel

$0.026

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: $0.13
216,306Expected 12/31/2026

Mfr. Part #
BLM18KG331SN1D

Mouser Part #
81-BLM18KG331SN1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

216,306Expected 12/31/2026

Cut Tape

$0.13

$0.083

$0.065

$0.059

Reel

$0.029

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: $0.325
19,818In Stock
12,000Expected 9/24/2026

Mfr. Part #
BLM18SP101SN1D

Mouser Part #
81-BLM18SP101SN1D

Murata Electronics

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

Learn More

Datasheet

19,818In Stock

12,000Expected 9/24/2026

Cut Tape

$0.325

$0.229

$0.199

$0.178

View

Reel

$0.077

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18SP102SN1D
Murata Electronics
1: $0.325
7,401In Stock
28,000Expected 10/29/2026

Mfr. Part #
BLM18SP102SN1D

Mouser Part #
81-BLM18SP102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

7,401In Stock

28,000Expected 10/29/2026

Cut Tape

$0.325

$0.229

$0.199

$0.178

View

Reel

$0.077

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM18SP601SN1D
Murata Electronics
1: $0.325
7,515In Stock
32,000On Order

Mfr. Part #
BLM18SP601SN1D

Mouser Part #
81-BLM18SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

7,515In Stock

32,000On Order

Cut Tape

$0.325

$0.224

$0.195

$0.174

View

Reel

$0.081

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM21SP471SN1D
Murata Electronics
1: $0.403
5,550In Stock
44,000On Order

Mfr. Part #
BLM21SP471SN1D

Mouser Part #
81-BLM21SP471SN1D

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

5,550In Stock

44,000On Order

Cut Tape

$0.403

$0.283

$0.247

$0.221

View

Reel

$0.099

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 70 OHM Alternate Sizing Guide Below

BLM21SP700SN1D
Murata Electronics
1: $0.403
11,782In Stock
12,000Expected 12/14/2026

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 12/14/2026

Cut Tape

$0.403

$0.283

$0.247

$0.221

View

Reel

$0.099

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

BLM31KN271SN1L
Murata Electronics
1: $0.494
353In Stock
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

353In Stock

297,500On Order

Cut Tape

$0.494

$0.35

$0.304

$0.272

Reel

$0.126

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

BLM31KN801SN1L
Murata Electronics
1: $0.494
1,133In Stock
47,500On Order

Mfr. Part #
BLM31KN801SN1L

Mouser Part #
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

$0.494

$0.36

$0.313

$0.28

Reel

$0.151

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: $7.89
78In Stock
1,200On Order

Mfr. Part #
BNX029-01L

Mouser Part #
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

Learn More

Datasheet

78In Stock

1,200On Order

Cut Tape

$7.89

$6.44

$5.94

$5.59

Reel

$4.24

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 33 OHM Alternate Sizing Guide Below

BLM18SG330SN1D
Murata Electronics
1: $0.26
50,982Expected 11/24/2026

Mfr. Part #
BLM18SG330SN1D

Mouser Part #
81-BLM18SG330SN1D

Murata Electronics

Ferrite Beads 33 OHM Alternate Sizing Guide Below

Learn More

Datasheet

50,982Expected 11/24/2026

Cut Tape

$0.26

$0.174

$0.152

$0.137

View

Reel

$0.059

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 180 OHM 25%

BLM21SP181SN1D
Murata Electronics
1: $0.403
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

$0.403

$0.283

$0.247

$0.221

View

Reel

$0.099

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121SN1L
Murata Electronics
1: $0.494
99,487On Order

Mfr. Part #
BLM31KN121SN1L

Mouser Part #
81-BLM31KN121SN1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

99,487On Order

Cut Tape

$0.494

$0.35

$0.304

$0.272

Reel

$0.126

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: $0.494
110,450On Order

Mfr. Part #
BLM31KN601SN1L

Mouser Part #
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

110,450On Order

Cut Tape

$0.494

$0.35

$0.304

$0.272

View

Reel

$0.126

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM15KD300SN1D
Murata Electronics
1: $0.13
59,700Expected 3/16/2027

Mfr. Part #
BLM15KD300SN1D

Mouser Part #
81-BLM15KD300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

59,700Expected 3/16/2027

Cut Tape

$0.13

$0.078

$0.065

$0.055

View

Reel

$0.026

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

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

BLM18SP221SN1D
Murata Electronics
1: $0.325
12,000Expected 9/4/2026

Mfr. Part #
BLM18SP221SN1D

Mouser Part #
81-BLM18SP221SN1D

Murata Electronics

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

Learn More

Datasheet

12,000Expected 9/4/2026

Cut Tape

$0.325

$0.229

$0.199

$0.178

View

Reel

$0.077

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

BLM02KX100SN1D
Murata Electronics
15,000: $0.083
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

$0.083

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

: 15,000

Power Supply Line Noise Suppression for Home Audio

Types of Passive Components

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