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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: $0.25 A tariff of 11% may be applied if shipping to the United States. 43,000In Stock	Mfr. Part # BLM02KX180SN1D Mouser Part # 81-BLM02KX180SN1D	Murata Electronics	Ferrite Beads Learn More about Murata Electronics murata blm emi filter	Datasheet	43,000In Stock	Cut Tape $0.25 $0.176 $0.153 $0.137 View Reel $0.064 $0.122 $0.105 $0.092 $0.081 $0.064 $0.064 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 15,000
Ferrite Beads 30 OHM Alternate Sizing Guide Below BLM18SP300SN1D Murata Electronics 1: $0.20 89,478In Stock	Mfr. Part # BLM18SP300SN1D Mouser Part # 81-BLM18SP300SN1D	Murata Electronics	Ferrite Beads 30 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	89,478In Stock	Cut Tape $0.20 $0.137 $0.119 $0.107 View Reel $0.058 $0.097 $0.084 $0.076 $0.068 $0.058 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 600 OHM Alternate Sizing Guide Below BLM21SP601SN1D Murata Electronics 1: $0.31 A tariff of 11% may be applied if shipping to the United States. 423,078In Stock	Mfr. Part # BLM21SP601SN1D Mouser Part # 81-BLM21SP601SN1D	Murata Electronics	Ferrite Beads 600 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	423,078In Stock	Cut Tape $0.31 $0.218 $0.19 $0.17 View Reel $0.075 $0.151 $0.129 $0.114 $0.076 $0.075 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000
EMI Filter Circuits 500M Ohm 100Volts 20A BNX02301L Murata Electronics 1: $5.23 A tariff of 11% may be applied if shipping to the United States. 19,661In Stock 13,600On Order	Mfr. Part # BNX02301L Mouser Part # 81-BNX023-01L	Murata Electronics	EMI Filter Circuits 500M Ohm 100Volts 20A Learn More about Murata Electronics murata bnx series	Datasheet	19,661In Stock 13,600On Order On Order Ship Dates Mfr. #: BNX02301L Stock: 19,661 Can Ship Immediately On Order: 400 Pending 13,200 Expected 3/3/2028 Factory Lead-Time: 12 Weeks	Cut Tape $5.23 $4.27 $3.94 $3.71 Reel $2.82 View $3.49 $3.00 $2.60 $2.57 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 4.7 UF 50V 20A BNX024H01L Murata Electronics 1: $6.07 A tariff of 11% may be applied if shipping to the United States. 14,375In Stock	Mfr. Part # BNX024H01L Mouser Part # 81-BNX024H01L	Murata Electronics	EMI Filter Circuits 4.7 UF 50V 20A Learn More about Murata Electronics murata bnx series	Datasheet	14,375In Stock	Cut Tape $6.07 $5.41 $4.81 $4.54 Reel $3.26 View $4.18 $3.65 $3.03 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 10.0 UF 50V 20A BNX026H01L Murata Electronics 1: $6.84 A tariff of 11% may be applied if shipping to the United States. 17,517In Stock 13,200Expected 3/3/2028	Mfr. Part # BNX026H01L Mouser Part # 81-BNX026H01L	Murata Electronics	EMI Filter Circuits 10.0 UF 50V 20A Learn More about Murata Electronics murata bnx series	Datasheet	17,517In Stock 13,200Expected 3/3/2028	Cut Tape $6.84 $5.58 $4.96 $4.70 Reel $3.68 View $4.45 $3.92 $3.47 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 22.0 UF 16V 20A BNX027H01L Murata Electronics 1: $6.84 A tariff of 11% may be applied if shipping to the United States. 5,772In Stock	Mfr. Part # BNX027H01L Mouser Part # 81-BNX027H01L	Murata Electronics	EMI Filter Circuits 22.0 UF 16V 20A Learn More about Murata Electronics murata bnx series	Datasheet	5,772In Stock	Cut Tape $6.84 $5.58 $5.14 $4.83 Reel $3.68 View $4.55 $3.89 $3.46 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 400
Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below BLM18KG601SN1D Murata Electronics 1: $0.10 A tariff of 11% may be applied if shipping to the United States. 724,831In Stock 520,000Expected 10/20/2026	Mfr. Part # BLM18KG601SN1D Mouser Part # 81-BLM18KG601SN1D	Murata Electronics	Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	724,831In Stock 520,000Expected 10/20/2026	Cut Tape $0.10 $0.064 $0.05 $0.045 Reel $0.021 View $0.039 $0.035 $0.031 $0.019 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM18KG102SN1D Murata Electronics 1: $0.10 A tariff of 11% may be applied if shipping to the United States. 178,481In Stock 140,000Expected 11/24/2026	Mfr. Part # BLM18KG102SN1D Mouser Part # 81-BLM18KG102SN1D	Murata Electronics	Ferrite Beads 1000 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	178,481In Stock 140,000Expected 11/24/2026	Cut Tape $0.10 $0.064 $0.05 $0.045 Reel $0.023 View $0.039 $0.035 $0.031 $0.02 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below BLM18KG221SN1D Murata Electronics 1: $0.10 A tariff of 11% may be applied if shipping to the United States. 461,966In Stock 240,000Expected 12/7/2026	Mfr. Part # BLM18KG221SN1D Mouser Part # 81-BLM18KG221SN1D	Murata Electronics	Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	461,966In Stock 240,000Expected 12/7/2026	Cut Tape $0.10 $0.064 $0.05 $0.045 Reel $0.022 View $0.039 $0.035 $0.031 $0.02 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below BLM18KG471SN1D Murata Electronics 1: $0.10 A tariff of 11% may be applied if shipping to the United States. 117,755In Stock 120,000Expected 10/8/2026	Mfr. Part # BLM18KG471SN1D Mouser Part # 81-BLM18KG471SN1D	Murata Electronics	Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	117,755In Stock 120,000Expected 10/8/2026	Cut Tape $0.10 $0.064 $0.05 $0.045 Reel $0.022 View $0.039 $0.035 $0.03 $0.02 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below BLM18SP101SN1D Murata Electronics 1: $0.25 A tariff of 11% may be applied if shipping to the United States. 26,516In Stock	Mfr. Part # BLM18SP101SN1D Mouser Part # 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	26,516In Stock	Cut Tape $0.25 $0.176 $0.153 $0.137 View Reel $0.059 $0.123 $0.105 $0.093 $0.081 $0.059 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 330 OHM Alternate Sizing Guide Below BLM21SP331SN1D Murata Electronics 1: $0.31 A tariff of 11% may be applied if shipping to the United States. 23,283In Stock 56,000On Order	Mfr. Part # BLM21SP331SN1D Mouser Part # 81-BLM21SP331SN1D	Murata Electronics	Ferrite Beads 330 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	23,283In Stock 56,000On Order On Order Ship Dates Mfr. #: BLM21SP331SN1D Stock: 23,283 Can Ship Immediately On Order: 16,000 Expected 11/19/2026 40,000 Expected 11/24/2026 Factory Lead-Time: 11 Weeks	Cut Tape $0.31 $0.218 $0.19 $0.17 View Reel $0.08 $0.151 $0.129 $0.11 $0.10 $0.08 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000
Common Mode Chokes / Filters 800 NH PLT10HH450180PNL Murata Electronics 1: $10.05 A tariff of 11% may be applied if shipping to the United States. 1,015In Stock	Mfr. Part # PLT10HH450180PNL Mouser Part # 81-PLT10HH450180PNL	Murata Electronics	Common Mode Chokes / Filters 800 NH Learn More about Murata Electronics murataplt10hh	Datasheet	1,015In Stock	Cut Tape $10.05 $8.38 $7.76 $7.35 Reel $6.72 View $6.12 $6.00 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 9 UH PLT10HH501100PNL Murata Electronics 1: $4.52 A tariff of 11% may be applied if shipping to the United States. 3,677In Stock	Mfr. Part # PLT10HH501100PNL Mouser Part # 81-PLT10HH501100PNL	Murata Electronics	Common Mode Chokes / Filters 9 UH Learn More about Murata Electronics murataplt10hh	Datasheet	3,677In Stock	Cut Tape $4.52 $3.72 $3.44 $3.25 Reel $2.97 View $2.70 $2.52 $2.45 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 14 UH 100V 6A PLT10HH9016R0PNL Murata Electronics 1: $4.52 A tariff of 11% may be applied if shipping to the United States. 1,551In Stock	Mfr. Part # PLT10HH9016R0PNL Mouser Part # 81-PLT10HH9016R0PNL	Murata Electronics	Common Mode Chokes / Filters 14 UH 100V 6A Learn More about Murata Electronics murataplt10hh	Datasheet	1,551In Stock	Cut Tape $4.52 $3.72 $3.44 $3.25 Reel $2.97 View $2.71 $2.52 $2.45 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 125
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM21SP102SN1D Murata Electronics 1: $0.31 154,502In Stock	Mfr. Part # BLM21SP102SN1D Mouser Part # 81-BLM21SP102SN1D	Murata Electronics	Ferrite Beads 1000 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	154,502In Stock	Cut Tape $0.31 $0.218 $0.19 $0.17 View Reel $0.075 $0.151 $0.129 $0.113 $0.076 $0.075 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 470 OHM Alternate Sizing Guide Below BLM21SP471SN1D Murata Electronics 1: $0.33 A tariff of 11% may be applied if shipping to the United States. 37,350In Stock	Mfr. Part # BLM21SP471SN1D Mouser Part # 81-BLM21SP471SN1D	Murata Electronics	Ferrite Beads 470 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	37,350In Stock	Cut Tape $0.33 $0.225 $0.195 $0.175 View Reel $0.076 $0.156 $0.133 $0.117 $0.081 $0.076 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below BLM31SN500SN1L Murata Electronics 1: $0.42 A tariff of 11% may be applied if shipping to the United States. 17,710In Stock 338,260On Order	Mfr. Part # BLM31SN500SN1L Mouser Part # 81-BLM31SN500SN1L	Murata Electronics	Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below Learn More about Murata Electronics murata blm sn ferrite beads	Datasheet	17,710In Stock 338,260On Order On Order Ship Dates Mfr. #: BLM31SN500SN1L Stock: 17,710 Can Ship Immediately On Order: 120,000 Expected 10/2/2026 83,260 Expected 10/16/2026 135,000 Expected 2/25/2027 Factory Lead-Time: 19 Weeks	Cut Tape $0.42 $0.293 $0.252 $0.213 View Reel $0.101 $0.192 $0.167 $0.149 $0.107 $0.101 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
EMI Filter Circuits 35 DB 50V 20A SMD BNX022-01L Murata Electronics 1: $4.88 A tariff of 11% may be applied if shipping to the United States. 596In Stock 60,400On Order	Mfr. Part # BNX022-01L Mouser Part # 81-BNX022-01L	Murata Electronics	EMI Filter Circuits 35 DB 50V 20A SMD Learn More about Murata Electronics murata bnx series	Datasheet	596In Stock 60,400On Order On Order Ship Dates Mfr. #: BNX022-01L Stock: 596 Can Ship Immediately On Order: 13,600 Expected 10/1/2026 28,400 Expected 12/18/2026 18,400 Expected 3/3/2028 Factory Lead-Time: 13 Weeks	Cut Tape $4.88 $3.98 $3.67 $3.46 Reel $2.62 View $3.25 $2.80 $2.42 $2.37 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 400
Common Mode Chokes / Filters 100 OHM 300V 15A 2UH PLT10HH101150PNL Murata Electronics 1: $10.32 A tariff of 11% may be applied if shipping to the United States. 1,026In Stock 3,250On Order	Mfr. Part # PLT10HH101150PNL Mouser Part # 81-PLT10HH101150PNL	Murata Electronics	Common Mode Chokes / Filters 100 OHM 300V 15A 2UH Learn More about Murata Electronics murataplt10hh	Datasheet	1,026In Stock 3,250On Order On Order Ship Dates Mfr. #: PLT10HH101150PNL Stock: 1,026 Can Ship Immediately On Order: 1,000 Expected 10/2/2026 2,250 Expected 3/15/2027 Factory Lead-Time: 26 Weeks	Cut Tape $10.32 $8.61 $7.97 $7.64 Reel $7.12 View $6.49 $6.36 Quote MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 10M OHM 100V 6A 20UH PLT10HH1026R0PNL Murata Electronics 1: $4.52 A tariff of 11% may be applied if shipping to the United States. 2,831In Stock 5,625On Order	Mfr. Part # PLT10HH1026R0PNL Mouser Part # 81-PLT10HH1026R0PNL	Murata Electronics	Common Mode Chokes / Filters 10M OHM 100V 6A 20UH Learn More about Murata Electronics murataplt10hh	Datasheet	2,831In Stock 5,625On Order On Order Ship Dates Mfr. #: PLT10HH1026R0PNL Stock: 2,831 Can Ship Immediately On Order: 2,500 Expected 10/1/2026 3,125 Expected 3/4/2027 Factory Lead-Time: 17 Weeks	Cut Tape $4.52 $3.72 $3.44 $3.25 Reel $2.97 View $2.71 $2.52 $2.45 $2.44 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 6 UH PLT10HH401100PNL Murata Electronics 1: $4.79 A tariff of 11% may be applied if shipping to the United States. 1,963In Stock	Mfr. Part # PLT10HH401100PNL Mouser Part # 81-PLT10HH401100PNL	Murata Electronics	Common Mode Chokes / Filters 6 UH Learn More about Murata Electronics murataplt10hh	Datasheet	1,963In Stock	Cut Tape $4.79 $3.94 $3.65 $3.44 Reel $3.15 View $2.86 $2.67 $2.60 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 125
Ferrite Beads 120 OHM Alternate Sizing Guide Below BLM15KD121SN1D Murata Electronics 1: $0.10 A tariff of 11% may be applied if shipping to the United States. 18,655In Stock 20,000Expected 11/27/2026	Mfr. Part # BLM15KD121SN1D Mouser Part # 81-BLM15KD121SN1D	Murata Electronics	Ferrite Beads 120 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	18,655In Stock 20,000Expected 11/27/2026	Cut Tape $0.10 $0.068 $0.053 $0.048 View Reel $0.02 $0.041 $0.037 $0.032 $0.024 $0.02 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 10,000
Ferrite Beads 20 OHM Alternate Sizing Guide Below BLM15KD200SN1D Murata Electronics 1: $0.10 A tariff of 11% may be applied if shipping to the United States. 63,074In Stock 110,000Expected 12/1/2026	Mfr. Part # BLM15KD200SN1D Mouser Part # 81-BLM15KD200SN1D	Murata Electronics	Ferrite Beads 20 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	63,074In Stock 110,000Expected 12/1/2026	Cut Tape $0.10 $0.068 $0.053 $0.048 View Reel $0.02 $0.041 $0.035 $0.032 $0.024 $0.02 MouseReel Available A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 10,000

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