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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 (KRW) Filter the results in the table by unit price based on your quantity.	Qty.
Ferrite Beads 600 OHM Alternate Sizing Guide Below BLM21SP601SN1D Murata Electronics 1: ₩690.5 399,438In 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	399,438In Stock	Cut Tape ₩690.5 ₩412.9 ₩365 ₩326.9 View Reel ₩181.8 ₩288.9 ₩246.6 ₩217 ₩183.2 ₩181.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads BLM02KX180SN1D Murata Electronics 1: ₩408.7 42,942In Stock	Mfr. Part # BLM02KX180SN1D Mouser Part # 81-BLM02KX180SN1D	Murata Electronics	Ferrite Beads Learn More about Murata Electronics murata blm emi filter	Datasheet	42,942In Stock	Cut Tape ₩408.7 ₩286.1 ₩222.7 ₩198.7 View Reel ₩98.6 ₩169.1 ₩149.4 ₩131.1 ₩119.8 ₩98.6 ₩98.6 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
Ferrite Beads 30 OHM Alternate Sizing Guide Below BLM18SP300SN1D Murata Electronics 1: ₩549.6 85,618In 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	85,618In Stock	Cut Tape ₩549.6 ₩298.8 ₩243.8 ₩214.2 View Reel ₩139.5 ₩183.2 ₩163.5 ₩146.6 ₩139.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Common Mode Chokes / Filters 100 OHM 300V 15A 2UH PLT10HH101150PNL Murata Electronics 1: ₩14,810.7 3,903In Stock 2,000Expected 1/8/2027	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	3,903In Stock 2,000Expected 1/8/2027	Cut Tape ₩14,810.7 ₩12,175.5 ₩11,273.6 ₩10,766.3 Reel ₩10,033.5 View ₩9,145.7 ₩8,962.5 ₩8,455.2 MouseReel Available	Min.: 1 Mult.: 1 : 125
Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below BLM18KG221SN1D Murata Electronics 1: ₩197.3 517,643In Stock	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	517,643In Stock	Cut Tape ₩197.3 ₩142.3 ₩111.3 ₩100.1 Reel ₩47.9 View ₩86 ₩76.1 ₩67.6 ₩43.7 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM21SP102SN1D Murata Electronics 1: ₩690.5 139,666In 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	139,666In Stock	Cut Tape ₩690.5 ₩479.1 ₩417.1 ₩372 View Reel ₩181.8 ₩328.3 ₩279 ₩232.5 ₩208.6 ₩181.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below BLM31SN500SN1L Murata Electronics 1: ₩887.8 165,409In Stock 342,800On 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	165,409In Stock 342,800On Order On Order Ship Dates Mfr. #: BLM31SN500SN1L Stock: 165,409 Can Ship Immediately On Order: 132,800 Expected 11/24/2026 210,000 Expected 4/12/2027 Factory Lead-Time: 16 Weeks	Cut Tape ₩887.8 ₩620 ₩535.5 ₩477.7 View Reel ₩242.4 ₩422.8 ₩346.7 ₩295.9 ₩276.2 ₩242.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
EMI Filter Circuits 500M Ohm 100Volts 20A BNX02301L Murata Electronics 1: ₩7,370.1 6,575In Stock 37,600On Order End of Life	Mfr. Part # BNX02301L Mouser Part # 81-BNX023-01L End of Life	Murata Electronics	EMI Filter Circuits 500M Ohm 100Volts 20A Learn More about Murata Electronics murata bnx series	Datasheet	6,575In Stock 37,600On Order On Order Ship Dates Mfr. #: BNX02301L Stock: 6,575 Can Ship Immediately On Order: 400 Pending 24,000 Expected 2/4/2027 13,200 Expected 5/1/2028 Factory Lead-Time: 12 Weeks	Cut Tape ₩7,370.1 ₩6,017.3 ₩5,552.2 ₩5,228.1 Reel ₩3,973.9 View ₩4,918.1 ₩4,227.6 ₩3,663.9 ₩3,621.6 MouseReel Available	Min.: 1 Mult.: 1 : 400
Common Mode Chokes / Filters 10M OHM 100V 6A 20UH PLT10HH1026R0PNL Murata Electronics 1: ₩6,369.6 4,026In Stock 7,500On 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	4,026In Stock 7,500On Order On Order Ship Dates Mfr. #: PLT10HH1026R0PNL Stock: 4,026 Can Ship Immediately On Order: 3,125 Expected 11/27/2026 4,375 Expected 1/7/2027 Factory Lead-Time: 12 Weeks	Cut Tape ₩6,369.6 ₩5,242.2 ₩4,847.6 ₩4,579.9 Reel ₩4,185.3 View ₩3,818.9 ₩3,551.2 ₩3,452.5 MouseReel Available	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 6 UH PLT10HH401100PNL Murata Electronics 1: ₩6,750.1 1,503In Stock 1,000Expected 12/29/2026	Mfr. Part # PLT10HH401100PNL Mouser Part # 81-PLT10HH401100PNL	Murata Electronics	Common Mode Chokes / Filters 6 UH Learn More about Murata Electronics murataplt10hh	Datasheet	1,503In Stock 1,000Expected 12/29/2026	Cut Tape ₩6,750.1 ₩5,552.2 ₩5,143.6 ₩4,847.6 Reel ₩4,439 View ₩4,016.2 ₩3,762.6 ₩3,649.8 MouseReel Available	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 9 UH PLT10HH501100PNL Murata Electronics 1: ₩6,369.6 3,007In Stock	Mfr. Part # PLT10HH501100PNL Mouser Part # 81-PLT10HH501100PNL	Murata Electronics	Common Mode Chokes / Filters 9 UH Learn More about Murata Electronics murataplt10hh	Datasheet	3,007In Stock	Cut Tape ₩6,369.6 ₩5,242.2 ₩4,847.6 ₩4,579.9 Reel ₩4,185.3 View ₩3,818.9 ₩3,551.2 ₩3,452.5 MouseReel Available	Min.: 1 Mult.: 1 : 125
Common Mode Chokes / Filters 14 UH 100V 6A PLT10HH9016R0PNL Murata Electronics 1: ₩6,369.6 1,055In Stock 875Expected 1/14/2027	Mfr. Part # PLT10HH9016R0PNL Mouser Part # 81-PLT10HH9016R0PNL	Murata Electronics	Common Mode Chokes / Filters 14 UH 100V 6A Learn More about Murata Electronics murataplt10hh	Datasheet	1,055In Stock 875Expected 1/14/2027	Cut Tape ₩6,369.6 ₩5,242.2 ₩4,847.6 ₩4,579.9 Reel ₩4,340.3 View ₩4,030.3 ₩3,762.6 ₩3,649.8 MouseReel Available	Min.: 1 Mult.: 1 : 125
EMI Filter Circuits 4.7 UF 50V 20A BNX024H01L Murata Electronics 1: ₩8,553.8 8,558In Stock 17,600On Order End of Life	Mfr. Part # BNX024H01L Mouser Part # 81-BNX024H01L End of Life	Murata Electronics	EMI Filter Circuits 4.7 UF 50V 20A Learn More about Murata Electronics murata bnx series	Datasheet	8,558In Stock 17,600On Order On Order Ship Dates Mfr. #: BNX024H01L Stock: 8,558 Can Ship Immediately On Order: 7,200 Expected 4/15/2027 10,400 Expected 5/1/2028 Factory Lead-Time: 22 Weeks	Cut Tape ₩8,553.8 ₩7,623.8 ₩6,778.3 ₩6,440 Reel ₩4,594 View ₩6,059.6 ₩5,199.9 ₩4,269.9 MouseReel Available	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 10.0 UF 25V 20A BNX025H01L Murata Electronics 1: ₩9,061.2 12,291In Stock 34,000Expected 4/27/2028 End of Life	Mfr. Part # BNX025H01L Mouser Part # 81-BNX025H01L End of Life	Murata Electronics	EMI Filter Circuits 10.0 UF 25V 20A Learn More about Murata Electronics murata bnx series	Datasheet	12,291In Stock 34,000Expected 4/27/2028	Cut Tape ₩9,061.2 ₩7,398.3 ₩6,820.5 ₩6,411.9 Reel ₩4,875.8 View ₩6,031.4 ₩5,185.9 ₩4,523.5 ₩4,269.9 MouseReel Available	Min.: 1 Mult.: 1 : 400
EMI Filter Circuits 22.0 UF 16V 20A BNX027H01L Murata Electronics 1: ₩9,638.9 4,100In Stock End of Life	Mfr. Part # BNX027H01L Mouser Part # 81-BNX027H01L End of Life	Murata Electronics	EMI Filter Circuits 22.0 UF 16V 20A Learn More about Murata Electronics murata bnx series	Datasheet	4,100In Stock	Cut Tape ₩9,638.9 ₩7,863.3 ₩7,257.4 ₩6,834.6 Reel ₩5,185.9 View ₩6,426 ₩5,524.1 ₩4,875.8 MouseReel Available	Min.: 1 Mult.: 1 : 400
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM18KG102SN1D Murata Electronics 1: ₩197.3 72,583In Stock 280,000On Order	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	72,583In Stock 280,000On Order On Order Ship Dates Mfr. #: BLM18KG102SN1D Stock: 72,583 Can Ship Immediately On Order: 140,000 Expected 12/11/2026 140,000 Expected 1/1/2027 Factory Lead-Time: 22 Weeks	Cut Tape ₩197.3 ₩142.3 ₩111.3 ₩100.1 Reel ₩47.9 View ₩94.4 ₩84.6 ₩76.1 ₩46.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below BLM18KG331SN1D Murata Electronics 1: ₩239.6 198,109In Stock	Mfr. Part # BLM18KG331SN1D Mouser Part # 81-BLM18KG331SN1D	Murata Electronics	Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	198,109In Stock	Cut Tape ₩239.6 ₩156.4 ₩136.7 ₩109.9 Reel ₩56.4 View ₩94.4 ₩84.6 ₩76.1 ₩47.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below BLM18KG471SN1D Murata Electronics 1: ₩140.9 203,489In Stock 112,000Expected 3/29/2027	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	203,489In Stock 112,000Expected 3/29/2027	Cut Tape ₩140.9 ₩90.2 ₩70.5 ₩63.4 View Reel ₩42.3 ₩55 ₩49.3 ₩43.7 ₩42.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below BLM18KG601SN1D Murata Electronics 1: ₩211.4 1,189,436In Stock	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	1,189,436In Stock	Cut Tape ₩211.4 ₩150.8 ₩118.4 ₩94.4 Reel ₩50.7 View ₩81.7 ₩73.3 ₩66.2 ₩46.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 22 OHM Alternate Sizing Guide Below BLM18SD220SN1D Murata Electronics 1: ₩239.6 78,451In Stock 68,000Expected 12/14/2026	Mfr. Part # BLM18SD220SN1D Mouser Part # 81-BLM18SD220SN1D	Murata Electronics	Ferrite Beads 22 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	78,451In Stock 68,000Expected 12/14/2026	Cut Tape ₩239.6 ₩173.3 ₩135.3 ₩121.2 View Reel ₩91.6 ₩104.3 ₩93 ₩91.6 ₩91.6 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 33 OHM Alternate Sizing Guide Below BLM18SG330SN1D Murata Electronics 1: ₩422.8 57,560In Stock	Mfr. Part # BLM18SG330SN1D Mouser Part # 81-BLM18SG330SN1D	Murata Electronics	Ferrite Beads 33 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	57,560In Stock	Cut Tape ₩422.8 ₩295.9 ₩229.7 ₩205.7 View Reel ₩101.5 ₩174.7 ₩155 ₩135.3 ₩101.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below BLM18SP101SN1D Murata Electronics 1: ₩549.6 21,174In Stock 24,000Expected 4/12/2027	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	21,174In Stock 24,000Expected 4/12/2027	Cut Tape ₩549.6 ₩391.8 ₩303 ₩269.2 View Reel ₩140.9 ₩229.7 ₩201.5 ₩176.2 ₩140.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM18SP102SN1D Murata Electronics 1: ₩366.4 18,760In Stock 20,000Expected 2/22/2027	Mfr. Part # BLM18SP102SN1D Mouser Part # 81-BLM18SP102SN1D	Murata Electronics	Ferrite Beads 1000 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	18,760In Stock 20,000Expected 2/22/2027	Cut Tape ₩366.4 ₩256.5 ₩200.1 ₩179 ₩153.6 Reel ₩140.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 600 OHM Alternate Sizing Guide Below BLM18SP601SN1D Murata Electronics 1: ₩549.6 43,655In Stock 44,000Expected 12/17/2026	Mfr. Part # BLM18SP601SN1D Mouser Part # 81-BLM18SP601SN1D	Murata Electronics	Ferrite Beads 600 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	43,655In Stock 44,000Expected 12/17/2026	Cut Tape ₩549.6 ₩391.8 ₩303 ₩269.2 View Reel ₩140.9 ₩229.7 ₩201.5 ₩176.2 ₩140.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 180 OHM 25% BLM21SP181SN1D Murata Electronics 1: ₩718.7 55,920In Stock 240,000Expected 3/31/2027	Mfr. Part # BLM21SP181SN1D Mouser Part # 81-BLM21SP181SN1D	Murata Electronics	Ferrite Beads 180 OHM 25% Learn More about Murata Electronics murata blm emi filter	Datasheet	55,920In Stock 240,000Expected 3/31/2027	Cut Tape ₩718.7 ₩493.2 ₩429.8 ₩383.3 View Reel ₩193.1 ₩338.2 ₩287.5 ₩252.2 ₩229.7 ₩193.1 MouseReel Available	Min.: 1 Mult.: 1 : 4,000

Power Supply Line Noise Suppression for Home Audio

Types of Passive Components

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Power Supply Line Noise Suppression for Home Audio

Types of Passive Components