Passive Components – Mouser Israel

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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: $0.40
34In 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

34In Stock

175,000On Order

Cut Tape

$0.40

$0.277

$0.241

$0.215

Reel

$0.112

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below

BLM31SN500SN1L
Murata Electronics
1: $0.40
68,967In 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

68,967In Stock

225,000On Order

Cut Tape

$0.40

$0.279

$0.242

$0.216

View

Reel

$0.101

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

EMI Filter Circuits 16 V 15A

BNX028-01L
Murata Electronics
1: $6.07
1,815In Stock
6,400On Order

Mfr. Part No.
BNX028-01L

Mouser Part No
81-BNX028-01L

Murata Electronics

EMI Filter Circuits 16 V 15A

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Datasheet

1,815In Stock

6,400On Order

Cut Tape

$6.07

$4.95

$4.57

$4.30

Reel

$3.26

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM15KD121SN1D
Murata Electronics
1: $0.10
32,507In Stock

Mfr. Part No.
BLM15KD121SN1D

Mouser Part No
81-BLM15KD121SN1D

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

32,507In Stock

Cut Tape

$0.10

$0.068

$0.053

$0.048

View

Reel

$0.02

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Ferrite Beads 20 OHM Alternate Sizing Guide Below

BLM15KD200SN1D
Murata Electronics
1: $0.12
18,153In Stock
90,000Expected 11/08/2026

Mfr. Part No.
BLM15KD200SN1D

Mouser Part No
81-BLM15KD200SN1D

Murata Electronics

Ferrite Beads 20 OHM Alternate Sizing Guide Below

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Datasheet

18,153In Stock

90,000Expected 11/08/2026

Cut Tape

$0.12

$0.072

$0.061

$0.05

View

Reel

$0.023

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: $0.10
128In Stock
216,000Expected 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

128In Stock

216,000Expected 31/12/2026

Cut Tape

$0.10

$0.064

$0.05

$0.045

Reel

$0.022

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: $0.25
19,772In Stock
12,000Expected 24/09/2026

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

19,772In Stock

12,000Expected 24/09/2026

Cut Tape

$0.25

$0.176

$0.153

$0.137

View

Reel

$0.059

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18SP102SN1D
Murata Electronics
1: $0.25
7,376In 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

7,376In Stock

28,000Expected 29/10/2026

Cut Tape

$0.25

$0.176

$0.153

$0.137

View

Reel

$0.059

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM18SP601SN1D
Murata Electronics
1: $0.25
1,450In 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

1,450In Stock

32,000On Order

Cut Tape

$0.25

$0.172

$0.15

$0.134

View

Reel

$0.062

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM21SP471SN1D
Murata Electronics
1: $0.31
4,525In 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

4,525In Stock

44,000On Order

Cut Tape

$0.31

$0.218

$0.19

$0.17

View

Reel

$0.076

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 70 OHM Alternate Sizing Guide Below

BLM21SP700SN1D
Murata Electronics
1: $0.31
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

$0.31

$0.218

$0.19

$0.17

View

Reel

$0.076

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

BLM31KN271SN1L
Murata Electronics
1: $0.38
108In 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

108In Stock

297,500On Order

Cut Tape

$0.38

$0.269

$0.234

$0.209

Reel

$0.097

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

BLM31KN801SN1L
Murata Electronics
1: $0.38
23In Stock
72,500On 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

23In Stock

72,500On Order

Cut Tape

$0.38

$0.277

$0.241

$0.215

Reel

$0.116

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 33 OHM Alternate Sizing Guide Below

BLM18SG330SN1D
Murata Electronics
1: $0.20
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

$0.20

$0.134

$0.117

$0.105

View

Reel

$0.045

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 180 OHM 25%

BLM21SP181SN1D
Murata Electronics
1: $0.31
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

$0.31

$0.218

$0.19

$0.17

View

Reel

$0.076

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121SN1L
Murata Electronics
1: $0.38
98,167On Order

Mfr. Part No.
BLM31KN121SN1L

Mouser Part No
81-BLM31KN121SN1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

98,167On Order

Cut Tape

$0.38

$0.269

$0.234

$0.209

Reel

$0.097

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: $0.38
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

$0.38

$0.269

$0.234

$0.209

View

Reel

$0.097

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: $6.43
1,988On Order

Mfr. Part No.
BNX029-01L

Mouser Part No
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

Learn More

Datasheet

1,988On Order

Cut Tape

$6.43

$5.25

$4.84

$4.55

Reel

$3.46

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM15KD300SN1D
Murata Electronics
1: $0.10
59,700Expected 16/03/2027

Mfr. Part No.
BLM15KD300SN1D

Mouser Part No
81-BLM15KD300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

59,700Expected 16/03/2027

Cut Tape

$0.10

$0.06

$0.05

$0.042

View

Reel

$0.02

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

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

BLM18SP221SN1D
Murata Electronics
1: $0.25
11,950Expected 19/08/2026

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

11,950Expected 19/08/2026

Cut Tape

$0.25

$0.176

$0.153

$0.137

View

Reel

$0.059

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

BLM02KX100SN1D
Murata Electronics
15,000: $0.064
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

$0.064

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

: 15,000

Power Supply Line Noise Suppression for Home Audio

Types of Passive Components

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