Passive Components – Mouser Ireland

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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 120 OHM Alternate Sizing Guide Below

BLM15KD121SN1D
Murata Electronics
1: €0.086
32,407In Stock

Mfr. Part No.
BLM15KD121SN1D

Mouser Part No
81-BLM15KD121SN1D

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

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Datasheet

32,407In Stock

Cut Tape

€0.086

€0.058

€0.046

€0.041

View

Reel

€0.017

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

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

BLM18SP101SN1D
Murata Electronics
1: €0.215
15,451In 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

15,451In Stock

12,000Expected 24/09/2026

Cut Tape

€0.215

€0.151

€0.132

€0.118

View

Reel

€0.052

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18SP102SN1D
Murata Electronics
1: €0.215
6,926In 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

6,926In Stock

28,000Expected 29/10/2026

Cut Tape

€0.215

€0.151

€0.132

€0.118

View

Reel

€0.052

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

BLM18SP221SN1D
Murata Electronics
1: €0.232
11,350In Stock

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

11,350In Stock

Cut Tape

€0.232

€0.16

€0.139

€0.125

View

Reel

€0.054

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM18SP601SN1D
Murata Electronics
1: €0.215
320In Stock
60,000On Order

Mfr. Part No.
BLM18SP601SN1D

Mouser Part No
81-BLM18SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

320In Stock

60,000On Order

Cut Tape

€0.215

€0.148

€0.129

€0.115

View

Reel

€0.053

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

BLM21SN300SN1D
Murata Electronics
1: €0.181
478In Stock
280,000On Order

Mfr. Part No.
BLM21SN300SN1D

Mouser Part No
81-BLM21SN300SN1D

Murata Electronics

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

Learn More

Datasheet

478In Stock

280,000On Order

Cut Tape

€0.181

€0.126

€0.11

€0.099

View

Reel

€0.056

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 70 OHM Alternate Sizing Guide Below

BLM21SP700SN1D
Murata Electronics
1: €0.267
11,782In Stock
12,000Expected 21/01/2027

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 21/01/2027

Cut Tape

€0.267

€0.187

€0.163

€0.146

View

Reel

€0.069

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

BLM31KN102SN1L
Murata Electronics
1: €0.344
303In Stock
182,500On Order

Mfr. Part No.
BLM31KN102SN1L

Mouser Part No
81-BLM31KN102SN1L

Murata Electronics

Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below

Learn More

Datasheet

303In Stock

182,500On Order

Cut Tape

€0.344

€0.238

€0.207

€0.185

Reel

€0.116

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SN1L
Murata Electronics
1: €0.344
1,298In Stock
175,000On Order

Mfr. Part No.
BLM31KN471SN1L

Mouser Part No
81-BLM31KN471SN1L

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

1,298In Stock

175,000On Order

Cut Tape

€0.344

€0.238

€0.207

€0.185

Reel

€0.115

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

EMI Filter Circuits 10.0 UF 25V 20A

BNX025H01L
Murata Electronics
1: €5.22
260In Stock
16,400On Order

Mfr. Part No.
BNX025H01L

Mouser Part No
81-BNX025H01L

Murata Electronics

EMI Filter Circuits 10.0 UF 25V 20A

Learn More

Datasheet

260In Stock

16,400On Order

Cut Tape

€5.22

€4.26

€3.93

€3.70

Reel

€2.81

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

EMI Filter Circuits 6.3 V 15A

BNX029-01L
Murata Electronics
1: €5.53
42In Stock
6,138On Order

Mfr. Part No.
BNX029-01L

Mouser Part No
81-BNX029-01L

Murata Electronics

EMI Filter Circuits 6.3 V 15A

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Datasheet

42In Stock

6,138On Order

Cut Tape

€5.53

€4.52

€4.16

€3.91

Reel

€2.98

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

BLM31KN271SN1L
Murata Electronics
1: €0.327
297,180On 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

297,180On Order

Cut Tape

€0.327

€0.231

€0.201

€0.18

View

Reel

€0.106

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM18KG331SN1D
Murata Electronics
1: €0.095
216,000On Order

Mfr. Part No.
BLM18KG331SN1D

Mouser Part No
81-BLM18KG331SN1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

216,000On Order

Cut Tape

€0.095

€0.057

€0.046

€0.04

Reel

€0.02

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 33 OHM Alternate Sizing Guide Below

BLM18SG330SN1D
Murata Electronics
1: €0.172
90,982On Order

Mfr. Part No.
BLM18SG330SN1D

Mouser Part No
81-BLM18SG330SN1D

Murata Electronics

Ferrite Beads 33 OHM Alternate Sizing Guide Below

Learn More

Datasheet

90,982On Order

Cut Tape

€0.172

€0.119

€0.103

€0.092

View

Reel

€0.039

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 180 OHM 25%

BLM21SP181SN1D
Murata Electronics
1: €0.284
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

€0.284

€0.194

€0.168

€0.151

View

Reel

€0.068

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM21SP471SN1D
Murata Electronics
1: €0.267
43,743On Order

Mfr. Part No.
BLM21SP471SN1D

Mouser Part No
81-BLM21SP471SN1D

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

43,743On Order

Cut Tape

€0.267

€0.187

€0.163

€0.146

View

Reel

€0.068

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121SN1L
Murata Electronics
1: €0.327
147,864On Order

Mfr. Part No.
BLM31KN121SN1L

Mouser Part No
81-BLM31KN121SN1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

147,864On Order

Cut Tape

€0.327

€0.231

€0.201

€0.18

Reel

€0.115

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: €0.353
110,401On Order

Mfr. Part No.
BLM31KN601SN1L

Mouser Part No
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

110,401On Order

Cut Tape

€0.353

€0.242

€0.21

€0.187

View

Reel

€0.086

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below

BLM31KN801SN1L
Murata Electronics
1: €0.327
71,212On 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

71,212On Order

Cut Tape

€0.327

€0.231

€0.201

€0.18

View

Reel

€0.106

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM15KD300SN1D
Murata Electronics
1: €0.086
59,200On Order

Mfr. Part No.
BLM15KD300SN1D

Mouser Part No
81-BLM15KD300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

59,200On Order

Cut Tape

€0.086

€0.052

€0.043

€0.036

View

Reel

€0.017

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Ferrite Beads

BLM02KX100SN1D
Murata Electronics
15,000: €0.055
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

€0.055

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

: 15,000

Power Supply Line Noise Suppression for Home Audio

Types of Passive Components

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