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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Ferrite Beads BLM02KX180SN1D Murata Electronics 1: $0.29 43,000In Stock	Mfr. Part No. BLM02KX180SN1D Mouser Part No 81-BLM02KX180SN1D	Murata Electronics	Ferrite Beads Learn More about Murata Electronics murata blm emi filter	Datasheet	43,000In Stock	Cut Tape $0.29 $0.20 $0.174 $0.155 View Reel $0.073 $0.138 $0.117 $0.104 $0.091 $0.073 $0.073 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
Ferrite Beads 30 OHM Alternate Sizing Guide Below BLM15KD300SN1D Murata Electronics 1: $0.11 49,700In Stock	Mfr. Part No. BLM15KD300SN1D Mouser Part No 81-BLM15KD300SN1D	Murata Electronics	Ferrite Beads 30 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	49,700In Stock	Cut Tape $0.11 $0.072 $0.056 $0.051 View Reel $0.03 $0.044 $0.04 $0.034 $0.033 $0.03 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Ferrite Beads 30 OHM Alternate Sizing Guide Below BLM18SP300SN1D Murata Electronics 1: $0.25 86,928In Stock	Mfr. Part No. BLM18SP300SN1D Mouser Part No 81-BLM18SP300SN1D	Murata Electronics	Ferrite Beads 30 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	86,928In Stock	Cut Tape $0.25 $0.176 $0.154 $0.137 View Reel $0.105 $0.122 $0.105 $0.105 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below BLM18KG221SN1D Murata Electronics 1: $0.14 429,234In Stock 240,000Expected 2026/12/07	Mfr. Part No. BLM18KG221SN1D Mouser Part No 81-BLM18KG221SN1D	Murata Electronics	Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	429,234In Stock 240,000Expected 2026/12/07	Cut Tape $0.14 $0.101 $0.079 $0.071 Reel $0.034 View $0.06 $0.053 $0.048 $0.031 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below BLM18KG601SN1D Murata Electronics 1: $0.14 1,111,671In Stock 80,000Expected 2026/10/20	Mfr. Part No. BLM18KG601SN1D Mouser Part No 81-BLM18KG601SN1D	Murata Electronics	Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	1,111,671In Stock 80,000Expected 2026/10/20	Cut Tape $0.14 $0.101 $0.079 $0.067 Reel $0.034 View $0.06 $0.053 $0.048 $0.031 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM21SP102SN1D Murata Electronics 1: $0.311 148,953In Stock	Mfr. Part No. BLM21SP102SN1D Mouser Part No 81-BLM21SP102SN1D	Murata Electronics	Ferrite Beads 1000 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	148,953In Stock	Cut Tape $0.311 $0.219 $0.19 $0.17 View Reel $0.135 $0.152 $0.135 $0.135 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 600 OHM Alternate Sizing Guide Below BLM21SP601SN1D Murata Electronics 1: $0.49 415,247In Stock	Mfr. Part No. BLM21SP601SN1D Mouser Part No 81-BLM21SP601SN1D	Murata Electronics	Ferrite Beads 600 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	415,247In Stock	Cut Tape $0.49 $0.34 $0.293 $0.261 View Reel $0.135 $0.233 $0.197 $0.173 $0.152 $0.135 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below BLM31SN500SN1L Murata Electronics 1: $0.42 200,648In Stock 135,000Expected 2027/02/25	Mfr. Part No. BLM31SN500SN1L Mouser Part No 81-BLM31SN500SN1L	Murata Electronics	Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below Learn More about Murata Electronics murata blm sn ferrite beads	Datasheet	200,648In Stock 135,000Expected 2027/02/25	Cut Tape $0.42 $0.297 $0.257 $0.229 View Reel $0.178 $0.204 $0.178 $0.178 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
EMI Filter Circuits 500M Ohm 100Volts 20A BNX02301L Murata Electronics 1: $5.23 17,783In Stock 13,600On Order End of Life	Mfr. Part No. BNX02301L Mouser Part No 81-BNX023-01L End of Life	Murata Electronics	EMI Filter Circuits 500M Ohm 100Volts 20A Learn More about Murata Electronics murata bnx series	Datasheet	17,783In Stock 13,600On Order On Order Ship Dates Mfr. No: BNX02301L Stock: 17,783 Can Dispatch Immediately On Order: 400 Pending 13,200 Expected 2028/03/27 Factory Lead Time: 12 Weeks	Cut Tape $5.23 $4.27 $3.94 $3.71 Reel $2.83 View $3.49 $3.00 $2.66 MouseReel Available	Min.: 1 Mult.: 1 : 400
Common Mode Chokes / Filters 100 OHM 300V 15A 2UH PLT10HH101150PNL Murata Electronics 1: $10.33 1,468In Stock 4,250On Order	Mfr. Part No. PLT10HH101150PNL Mouser Part No 81-PLT10HH101150PNL	Murata Electronics	Common Mode Chokes / Filters 100 OHM 300V 15A 2UH Learn More about Murata Electronics murataplt10hh	Datasheet	1,468In Stock 4,250On Order On Order Ship Dates Mfr. No: PLT10HH101150PNL Stock: 1,468 Can Dispatch Immediately On Order: 2,000 Expected 2026/12/29 2,250 Expected 2027/03/15 Factory Lead Time: 12 Weeks	Cut Tape $10.33 $8.61 $7.97 $7.64 Reel $7.12 View $6.49 $6.36 $6.25 MouseReel Available	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 10M OHM 100V 6A 20UH PLT10HH1026R0PNL Murata Electronics 1: $4.52 4,296In Stock 7,500On Order	Mfr. Part No. PLT10HH1026R0PNL Mouser Part No 81-PLT10HH1026R0PNL	Murata Electronics	Common Mode Chokes / Filters 10M OHM 100V 6A 20UH Learn More about Murata Electronics murataplt10hh	Datasheet	4,296In Stock 7,500On Order On Order Ship Dates Mfr. No: PLT10HH1026R0PNL Stock: 4,296 Can Dispatch Immediately On Order: 4,375 Expected 2027/01/07 3,125 Expected 2027/03/04 Factory Lead Time: 12 Weeks	Cut Tape $4.52 $3.72 $3.44 $3.26 Reel $2.97 View $2.71 $2.52 MouseReel Available	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 6 UH PLT10HH401100PNL Murata Electronics 1: $4.79 1,616In Stock 1,000Expected 2026/12/29	Mfr. Part No. PLT10HH401100PNL Mouser Part No 81-PLT10HH401100PNL	Murata Electronics	Common Mode Chokes / Filters 6 UH Learn More about Murata Electronics murataplt10hh	Datasheet	1,616In Stock 1,000Expected 2026/12/29	Cut Tape $4.79 $3.94 $3.65 $3.44 Reel $3.15 View $2.86 $2.67 $2.61 MouseReel Available	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 9 UH PLT10HH501100PNL Murata Electronics 1: $4.52 3,625In Stock	Mfr. Part No. PLT10HH501100PNL Mouser Part No 81-PLT10HH501100PNL	Murata Electronics	Common Mode Chokes / Filters 9 UH Learn More about Murata Electronics murataplt10hh	Datasheet	3,625In Stock	Cut Tape $4.52 $3.72 $3.44 $3.26 Reel $2.97 View $2.71 $2.61 MouseReel Available	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 14 UH 100V 6A PLT10HH9016R0PNL Murata Electronics 1: $4.52 1,097In Stock 875Expected 2027/01/04	Mfr. Part No. PLT10HH9016R0PNL Mouser Part No 81-PLT10HH9016R0PNL	Murata Electronics	Common Mode Chokes / Filters 14 UH 100V 6A Learn More about Murata Electronics murataplt10hh	Datasheet	1,097In Stock 875Expected 2027/01/04	Cut Tape $4.52 $3.72 $3.44 $3.26 Reel $3.08 View $2.86 $2.67 $2.59 MouseReel Available	Min.: 1 Mult.: 1 : 125
EMI Filter Circuits 35 DB 50V 20A SMD BNX022-01L Murata Electronics 1: $4.88 10,390In Stock 46,800On Order End of Life	Mfr. Part No. BNX022-01L Mouser Part No 81-BNX022-01L End of Life	Murata Electronics	EMI Filter Circuits 35 DB 50V 20A SMD Learn More about Murata Electronics murata bnx series	Datasheet	10,390In Stock 46,800On Order On Order Ship Dates Mfr. No: BNX022-01L Stock: 10,390 Can Dispatch Immediately On Order: 18,400 Expected 2028/03/27 28,400 Expected 2028/03/29 Factory Lead Time: 22 Weeks	Cut Tape $4.88 $3.98 $3.68 $3.47 Reel $2.62 View $3.26 $2.80 $2.47 MouseReel Available	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 4.7 UF 50V 20A BNX024H01L Murata Electronics 1: $6.07 11,443In Stock End of Life	Mfr. Part No. BNX024H01L Mouser Part No 81-BNX024H01L End of Life	Murata Electronics	EMI Filter Circuits 4.7 UF 50V 20A Learn More about Murata Electronics murata bnx series	Datasheet	11,443In Stock	Cut Tape $6.07 $5.41 $4.81 $4.54 Reel $3.26 View $4.18 $3.65 $3.14 MouseReel Available	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 10.0 UF 25V 20A BNX025H01L Murata Electronics 1: $6.43 4,406In Stock 22,000On Order End of Life	Mfr. Part No. BNX025H01L Mouser Part No 81-BNX025H01L End of Life	Murata Electronics	EMI Filter Circuits 10.0 UF 25V 20A Learn More about Murata Electronics murata bnx series	Datasheet	4,406In Stock 22,000On Order On Order Ship Dates Mfr. No: BNX025H01L Stock: 4,406 Can Dispatch Immediately On Order: 10,000 Expected 2026/12/15 12,000 Expected 2028/03/28 Factory Lead Time: 22 Weeks	Cut Tape $6.43 $5.26 $4.84 $4.55 Reel $3.47 View $4.26 $3.68 $3.42 MouseReel Available	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 10.0 UF 50V 20A BNX026H01L Murata Electronics 1: $6.84 12,167In Stock 13,200Expected 2028/03/27 End of Life	Mfr. Part No. BNX026H01L Mouser Part No 81-BNX026H01L End of Life	Murata Electronics	EMI Filter Circuits 10.0 UF 50V 20A Learn More about Murata Electronics murata bnx series	Datasheet	12,167In Stock 13,200Expected 2028/03/27	Cut Tape $6.84 $5.58 $4.97 $4.70 Reel $3.68 View $4.45 $3.92 $3.59 MouseReel Available	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 22.0 UF 16V 20A BNX027H01L Murata Electronics 1: $6.84 4,495In Stock End of Life	Mfr. Part No. BNX027H01L Mouser Part No 81-BNX027H01L End of Life	Murata Electronics	EMI Filter Circuits 22.0 UF 16V 20A Learn More about Murata Electronics murata bnx series	Datasheet	4,495In Stock	Cut Tape $6.84 $5.58 $5.14 $4.83 Reel $3.68 View $4.55 $3.90 $3.59 MouseReel Available	Min.: 1 Mult.: 1 : 400
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM18KG102SN1D Murata Electronics 1: $0.10 109,911In Stock 280,000On Order	Mfr. Part No. BLM18KG102SN1D Mouser Part No 81-BLM18KG102SN1D	Murata Electronics	Ferrite Beads 1000 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	109,911In Stock 280,000On Order On Order Ship Dates Mfr. No: BLM18KG102SN1D Stock: 109,911 Can Dispatch Immediately On Order: 140,000 Expected 2026/11/24 140,000 Expected 2026/12/15 Factory Lead Time: 22 Weeks	Cut Tape $0.10 $0.064 $0.05 $0.045 View Reel $0.031 $0.04 $0.035 $0.031 $0.031 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below BLM18KG471SN1D Murata Electronics 1: $0.10 233,157In Stock	Mfr. Part No. BLM18KG471SN1D Mouser Part No 81-BLM18KG471SN1D	Murata Electronics	Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	233,157In Stock	Cut Tape $0.10 $0.064 $0.05 $0.045 View Reel $0.031 $0.04 $0.035 $0.031 $0.031 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 22 OHM Alternate Sizing Guide Below BLM18SD220SN1D Murata Electronics 1: $0.17 84,617In Stock 68,000Expected 2026/12/14	Mfr. Part No. BLM18SD220SN1D Mouser Part No 81-BLM18SD220SN1D	Murata Electronics	Ferrite Beads 22 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	84,617In Stock 68,000Expected 2026/12/14	Cut Tape $0.17 $0.123 $0.108 $0.097 View Reel $0.069 $0.086 $0.074 $0.069 $0.069 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 33 OHM Alternate Sizing Guide Below BLM18SG330SN1D Murata Electronics 1: $0.23 18,817In Stock 40,000Expected 2026/11/19	Mfr. Part No. BLM18SG330SN1D Mouser Part No 81-BLM18SG330SN1D	Murata Electronics	Ferrite Beads 33 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	18,817In Stock 40,000Expected 2026/11/19	Cut Tape $0.23 $0.16 $0.14 $0.126 View Reel $0.076 $0.112 $0.097 $0.085 $0.078 $0.076 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 25,984In Stock	Mfr. Part No. BLM18SP101SN1D Mouser Part No 81-BLM18SP101SN1D	Murata Electronics	Ferrite Beads FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	25,984In Stock	Cut Tape $0.25 $0.176 $0.154 $0.137 View Reel $0.105 $0.122 $0.105 $0.105 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM18SP102SN1D Murata Electronics 1: $0.25 28,534In Stock 20,000Expected 2027/02/01	Mfr. Part No. BLM18SP102SN1D Mouser Part No 81-BLM18SP102SN1D	Murata Electronics	Ferrite Beads 1000 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	28,534In Stock 20,000Expected 2027/02/01	Cut Tape $0.25 $0.176 $0.154 $0.137 View Reel $0.105 $0.123 $0.105 $0.105 MouseReel Available	Min.: 1 Mult.: 1 : 4,000

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