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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 (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Ferrite Beads BLM02KX180SN1D Murata Electronics 1: 0,215 € 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 0,215 € 0,151 € 0,132 € 0,118 € View Reel 0,062 € 0,106 € 0,09 € 0,08 € 0,07 € 0,062 € 0,062 € MouseReel Available	Min.: 1 Mult.: 1 : 15.000
Ferrite Beads 30 OHM Alternate Sizing Guide Below BLM18SP300SN1D Murata Electronics 1: 0,172 € 89.438In 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	89.438In Stock	Cut Tape 0,172 € 0,118 € 0,102 € 0,092 € 0,09 € Reel 0,09 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Ferrite Beads 30 OHM Alternate Sizing Guide Below BLM15KD300SN1D Murata Electronics 1: 0,095 € 58.900In 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	58.900In Stock	Cut Tape 0,095 € 0,062 € 0,048 € 0,044 € View Reel 0,026 € 0,038 € 0,034 € 0,029 € 0,028 € 0,026 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below BLM18KG221SN1D Murata Electronics 1: 0,086 € 446.184In Stock 240.000Expected 12/7/2026	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	446.184In Stock 240.000Expected 12/7/2026	Cut Tape 0,086 € 0,055 € 0,043 € 0,039 € View Reel 0,027 € 0,034 € 0,03 € 0,027 € 0,027 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Ferrite Beads 600 OHM Alternate Sizing Guide Below BLM21SP601SN1D Murata Electronics 1: 0,267 € 415.764In 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	415.764In Stock	Cut Tape 0,267 € 0,187 € 0,163 € 0,146 € View Reel 0,116 € 0,13 € 0,116 € 0,116 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below BLM18KG601SN1D Murata Electronics 1: 0,086 € 803.687In Stock 400.000Expected 10/20/2026	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	803.687In Stock 400.000Expected 10/20/2026	Cut Tape 0,086 € 0,055 € 0,043 € 0,039 € View Reel 0,027 € 0,034 € 0,03 € 0,027 € 0,027 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM21SP102SN1D Murata Electronics 1: 0,267 € 149.188In 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	149.188In Stock	Cut Tape 0,267 € 0,187 € 0,163 € 0,146 € View Reel 0,116 € 0,13 € 0,116 € 0,116 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below BLM31SN500SN1L Murata Electronics 1: 0,533 € 204.870In Stock 135.000Expected 2/25/2027	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	204.870In Stock 135.000Expected 2/25/2027	Cut Tape 0,533 € 0,379 € 0,328 € 0,292 € View Reel 0,157 € 0,26 € 0,22 € 0,193 € 0,167 € 0,157 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
EMI Filter Circuits 500M Ohm 100Volts 20A BNX02301L Murata Electronics 1: 4,50 € 17.850In 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	17.850In Stock 13.600On Order On Order Ship Dates Mfr. No: BNX02301L Stock: 17.850 Can Dispatch Immediately On Order: 400 Pending 13.200 Expected 3/14/2028 Factory Lead Time: 12 Weeks	Cut Tape 4,50 € 3,67 € 3,39 € 3,19 € Reel 2,43 € View 3,00 € 2,58 € 2,29 € MouseReel Available	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 4.7 UF 50V 20A BNX024H01L Murata Electronics 1: 5,22 € 11.835In 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	11.835In Stock	Cut Tape 5,22 € 4,65 € 4,14 € 3,90 € Reel 2,80 € View 3,59 € 3,14 € 2,70 € MouseReel Available	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 10.0 UF 50V 20A BNX026H01L Murata Electronics 1: 5,88 € 15.490In Stock 13.200Expected 3/14/2028 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	15.490In Stock 13.200Expected 3/14/2028	Cut Tape 5,88 € 4,80 € 4,27 € 4,04 € Reel 3,16 € View 3,83 € 3,37 € 3,09 € MouseReel Available	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 22.0 UF 16V 20A BNX027H01L Murata Electronics 1: 5,88 € 4.820In 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	4.820In Stock	Cut Tape 5,88 € 4,80 € 4,42 € 4,15 € Reel 3,16 € View 3,91 € 3,35 € 3,09 € MouseReel Available	Min.: 1 Mult.: 1 : 400
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM18KG102SN1D Murata Electronics 1: 0,086 € 94.639In 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	94.639In Stock 280.000On Order On Order Ship Dates Mfr. No: BLM18KG102SN1D Stock: 94.639 Can Dispatch Immediately On Order: 140.000 Expected 11/24/2026 140.000 Expected 12/15/2026 Factory Lead Time: 11 Weeks	Cut Tape 0,086 € 0,055 € 0,043 € 0,039 € View Reel 0,027 € 0,034 € 0,03 € 0,027 € 0,027 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below BLM18KG471SN1D Murata Electronics 1: 0,086 € 113.497In Stock 120.000Expected 10/13/2026	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	113.497In Stock 120.000Expected 10/13/2026	Cut Tape 0,086 € 0,055 € 0,043 € 0,039 € View Reel 0,027 € 0,034 € 0,03 € 0,027 € 0,027 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Ferrite Beads 22 OHM Alternate Sizing Guide Below BLM18SD220SN1D Murata Electronics 1: 0,146 € 69.226In Stock 124.000On Order	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	69.226In Stock 124.000On Order On Order Ship Dates Mfr. No: BLM18SD220SN1D Stock: 69.226 Can Dispatch Immediately On Order: 56.000 Expected 10/15/2026 68.000 Expected 12/14/2026 Factory Lead Time: 12 Weeks	Cut Tape 0,146 € 0,106 € 0,093 € 0,083 € View Reel 0,059 € 0,074 € 0,064 € 0,059 € 0,059 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Ferrite Beads FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below BLM18SP101SN1D Murata Electronics 1: 0,215 € 26.231In 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	26.231In Stock	Cut Tape 0,215 € 0,151 € 0,132 € 0,118 € View Reel 0,09 € 0,106 € 0,09 € 0,09 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Ferrite Beads 330 OHM Alternate Sizing Guide Below BLM21SP331SN1D Murata Electronics 1: 0,267 € 15.154In Stock 56.000On Order	Mfr. Part No. BLM21SP331SN1D Mouser Part No 81-BLM21SP331SN1D	Murata Electronics	Ferrite Beads 330 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	15.154In Stock 56.000On Order On Order Ship Dates Mfr. No: BLM21SP331SN1D Stock: 15.154 Can Dispatch Immediately On Order: 16.000 Expected 11/19/2026 40.000 Expected 11/24/2026 Factory Lead Time: 11 Weeks	Cut Tape 0,267 € 0,188 € 0,163 € 0,146 € View Reel 0,116 € 0,131 € 0,116 € 0,116 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Common Mode Chokes / Filters 800 NH PLT10HH450180PNL Murata Electronics 1: 8,64 € 765In Stock	Mfr. Part No. PLT10HH450180PNL Mouser Part No 81-PLT10HH450180PNL	Murata Electronics	Common Mode Chokes / Filters 800 NH Learn More about Murata Electronics murataplt10hh	Datasheet	765In Stock	Cut Tape 8,64 € 7,21 € 6,67 € 6,32 € Reel 5,78 € 5,37 € MouseReel Available	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 9 UH PLT10HH501100PNL Murata Electronics 1: 3,89 € 3.647In 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	3.647In Stock	Cut Tape 3,89 € 3,20 € 2,96 € 2,80 € Reel 2,55 € View 2,32 € 2,24 € MouseReel Available	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 14 UH 100V 6A PLT10HH9016R0PNL Murata Electronics 1: 3,89 € 1.541In Stock	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	1.541In Stock	Cut Tape 3,89 € 3,20 € 2,96 € 2,80 € Reel 2,63 € View 2,46 € 2,30 € 2,23 € MouseReel Available	Min.: 1 Mult.: 1 : 125
EMI Filter Circuits 35 DB 50V 20A SMD BNX022-01L Murata Electronics 1: 4,20 € 10.969In 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	10.969In Stock 46.800On Order On Order Ship Dates Mfr. No: BNX022-01L Stock: 10.969 Can Dispatch Immediately On Order: 28.400 Expected 12/18/2026 18.400 Expected 3/14/2028 Factory Lead Time: 13 Weeks	Cut Tape 4,20 € 3,42 € 3,16 € 2,98 € Reel 2,25 € View 2,80 € 2,41 € 2,12 € MouseReel Available	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 10.0 UF 25V 20A BNX025H01L Murata Electronics 1: 5,53 € 5.553In 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	5.553In Stock 22.000On Order On Order Ship Dates Mfr. No: BNX025H01L Stock: 5.553 Can Dispatch Immediately On Order: 10.000 Expected 12/15/2026 12.000 Expected 3/17/2028 Factory Lead Time: 17 Weeks	Cut Tape 5,53 € 4,52 € 4,16 € 3,91 € Reel 2,98 € View 3,66 € 3,16 € 2,94 € MouseReel Available	Min.: 1 Mult.: 1 : 400
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM18SP102SN1D Murata Electronics 1: 0,215 € 28.555In Stock 20.000Expected 2/1/2027	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	28.555In Stock 20.000Expected 2/1/2027	Cut Tape 0,215 € 0,151 € 0,132 € 0,118 € View Reel 0,09 € 0,106 € 0,09 € 0,09 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Ferrite Beads Chip Ferrite 0805, 4mOhms Res, 30Ohms Imp, 8.5A BLM21SN300SN1D Murata Electronics 1: 0,181 € 68.778In Stock 180.000Expected 12/7/2026	Mfr. Part No. BLM21SN300SN1D Mouser Part No 81-BLM21SN300SN1D	Murata Electronics	Ferrite Beads Chip Ferrite 0805, 4mOhms Res, 30Ohms Imp, 8.5A Learn More about Murata Electronics murata blm sn ferrite beads	Datasheet	68.778In Stock 180.000Expected 12/7/2026	Cut Tape 0,181 € 0,129 € 0,113 € 0,101 € View Reel 0,069 € 0,09 € 0,077 € 0,069 € 0,069 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Ferrite Beads 110 OHM Alternate Sizing Guide Below BLM21SP111SN1D Murata Electronics 1: 0,267 € 15.046In Stock 216.000On Order	Mfr. Part No. BLM21SP111SN1D Mouser Part No 81-BLM21SP111SN1D	Murata Electronics	Ferrite Beads 110 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	15.046In Stock 216.000On Order On Order Ship Dates Mfr. No: BLM21SP111SN1D Stock: 15.046 Can Dispatch Immediately On Order: 140.000 Expected 12/29/2026 76.000 Expected 2/8/2027 Factory Lead Time: 25 Weeks	Cut Tape 0,267 € 0,188 € 0,163 € 0,146 € View Reel 0,116 € 0,131 € 0,116 € 0,116 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000

Power Supply Line Noise Suppression for Home Audio

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