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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 (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Type	Minimum Operating Temperature	Maximum Operating Temperature	Termination Style	Mounting Style	Packaging
Ferrite Beads BLM02KX180SN1D Murata Electronics 1: $0.394 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 $0.394 $0.276 $0.215 $0.192 View Reel $0.095 $0.163 $0.144 $0.126 $0.116 $0.095 $0.095 MouseReel Available	Min.: 1 Mult.: 1 : 15,000	Ferrite Beads	Ferrite Beads		- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads 30 OHM Alternate Sizing Guide Below BLM18SP300SN1D Murata Electronics 1: $0.53 86,729In 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	86,729In Stock	Cut Tape $0.53 $0.378 $0.292 $0.26 Reel $0.136 View $0.222 $0.194 $0.17 $0.135 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Ferrite Beads	Ferrite Chip Beads		- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM21SP102SN1D Murata Electronics 1: $0.666 147,184In 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	147,184In Stock	Cut Tape $0.666 $0.462 $0.403 $0.359 View Reel $0.175 $0.317 $0.269 $0.224 $0.201 $0.175 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Ferrite Beads	Ferrite Chip Beads		- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads 600 OHM Alternate Sizing Guide Below BLM21SP601SN1D Murata Electronics 1: $0.666 414,482In 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	414,482In Stock	Cut Tape $0.666 $0.462 $0.403 $0.359 View Reel $0.175 $0.317 $0.269 $0.237 $0.215 $0.175 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Ferrite Beads	Ferrite Chip Beads		- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below BLM31SN500SN1L Murata Electronics 1: $0.857 192,696In Stock 135,000Expected 25/2/2027	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	192,696In Stock 135,000Expected 25/2/2027	Cut Tape $0.857 $0.598 $0.517 $0.461 View Reel $0.248 $0.408 $0.335 $0.286 $0.267 $0.248 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Ferrite Beads	Ferrite Beads		- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
EMI Filter Circuits 500M Ohm 100Volts 20A BNX02301L Murata Electronics 1: $7.11 15,707In 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	15,707In Stock 13,600On Order On Order Ship Dates Mfr. No: BNX02301L Stock: 15,707 Can Dispatch Immediately On Order: 400 Pending 13,200 Expected 7/4/2028 Factory Lead Time: 12 Weeks	Cut Tape $7.11 $5.81 $5.36 $5.05 Reel $3.84 View $4.75 $4.08 $3.54 $3.50 MouseReel Available	Min.: 1 Mult.: 1 : 400	EMI Filter Circuits	EMI Network Filter Arrays	Block Type Filter	- 40 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Common Mode Chokes / Filters 100 OHM 300V 15A 2UH PLT10HH101150PNL Murata Electronics 1: $14.29 1,446In 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	1,446In Stock 4,250On Order On Order Ship Dates Mfr. No: PLT10HH101150PNL Stock: 1,446 Can Dispatch Immediately On Order: 2,000 Expected 8/1/2027 2,250 Expected 15/3/2027 Factory Lead Time: 12 Weeks	Cut Tape $14.29 $11.75 $10.88 $10.39 Reel $9.68 View $8.83 $8.65 $8.16 MouseReel Available	Min.: 1 Mult.: 1 : 125	Common Mode Chokes	Common Mode Chokes	Surface Mount Common Mode Choke	- 55 C	+ 125 C	SMD/SMT	PCB Mount	Reel, Cut Tape, MouseReel
Common Mode Chokes / Filters 10M OHM 100V 6A 20UH PLT10HH1026R0PNL Murata Electronics 1: $6.15 4,272In 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	4,272In Stock 7,500On Order On Order Ship Dates Mfr. No: PLT10HH1026R0PNL Stock: 4,272 Can Dispatch Immediately On Order: 4,375 Expected 7/1/2027 3,125 Expected 4/3/2027 Factory Lead Time: 12 Weeks	Cut Tape $6.15 $5.06 $4.68 $4.42 Reel $4.04 View $3.69 $3.43 $3.33 MouseReel Available	Min.: 1 Mult.: 1 : 125	Common Mode Chokes			- 55 C	+ 105 C	SMD/SMT	PCB Mount	Reel, Cut Tape, MouseReel
Common Mode Chokes / Filters 6 UH PLT10HH401100PNL Murata Electronics 1: $6.51 1,604In Stock 1,000Expected 29/12/2026	Mfr. Part No. PLT10HH401100PNL Mouser Part No 81-PLT10HH401100PNL	Murata Electronics	Common Mode Chokes / Filters 6 UH Learn More about Murata Electronics murataplt10hh	Datasheet	1,604In Stock 1,000Expected 29/12/2026	Cut Tape $6.51 $5.36 $4.96 $4.68 Reel $4.28 View $3.88 $3.63 $3.52 MouseReel Available	Min.: 1 Mult.: 1 : 125	Common Mode Chokes			- 55 C	+ 125 C	SMD/SMT	PCB Mount	Reel, Cut Tape, MouseReel
Common Mode Chokes / Filters 9 UH PLT10HH501100PNL Murata Electronics 1: $6.15 3,110In 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	3,110In Stock	Cut Tape $6.15 $5.06 $4.68 $4.42 Reel $4.04 View $3.69 $3.43 $3.33 MouseReel Available	Min.: 1 Mult.: 1 : 125	Common Mode Chokes			- 55 C	+ 105 C	SMD/SMT	PCB Mount	Reel, Cut Tape, MouseReel
Common Mode Chokes / Filters 14 UH 100V 6A PLT10HH9016R0PNL Murata Electronics 1: $6.15 1,097In Stock 875Expected 14/1/2027	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 14/1/2027	Cut Tape $6.15 $5.06 $4.68 $4.42 Reel $4.19 View $3.89 $3.63 $3.52 MouseReel Available	Min.: 1 Mult.: 1 : 125	Common Mode Chokes	Common Mode Chokes	Power Line	- 55 C	+ 125 C	SMD/SMT	PCB Mount	Reel, Cut Tape, MouseReel
EMI Filter Circuits 35 DB 50V 20A SMD BNX022-01L Murata Electronics 1: $6.64 9,089In 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	9,089In Stock 46,800On Order On Order Ship Dates Mfr. No: BNX022-01L Stock: 9,089 Can Dispatch Immediately On Order: 18,400 Expected 7/4/2028 28,400 Expected 10/4/2028 Factory Lead Time: 22 Weeks	Cut Tape $6.64 $5.41 $4.71 $4.42 Reel $3.56 View $3.81 $3.29 $3.22 $3.21 MouseReel Available	Min.: 1 Mult.: 1 : 400	EMI Filter Circuits	EMI Network Filter Arrays	Block Type Filter	- 40 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
EMI Filter Circuits 4.7 UF 50V 20A BNX024H01L Murata Electronics 1: $8.26 10,249In 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	10,249In Stock	Cut Tape $8.26 $7.36 $6.54 $6.17 Reel $4.43 View $5.68 $4.96 $4.12 MouseReel Available	Min.: 1 Mult.: 1 : 400	EMI Filter Circuits	EMI Network Filter Arrays	Block Type Filter	- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
EMI Filter Circuits 10.0 UF 25V 20A BNX025H01L Murata Electronics 1: $8.74 4,473In 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	4,473In Stock 22,000On Order On Order Ship Dates Mfr. No: BNX025H01L Stock: 4,473 Can Dispatch Immediately On Order: 10,000 Expected 10/11/2026 12,000 Expected 10/4/2028 Factory Lead Time: 22 Weeks	Cut Tape $8.74 $7.14 $6.58 $6.19 Reel $4.71 View $5.78 $5.00 $4.65 MouseReel Available	Min.: 1 Mult.: 1 : 400	EMI Filter Circuits	EMI Network Filter Arrays	Block Type Filter	- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
EMI Filter Circuits 10.0 UF 50V 20A BNX026H01L Murata Electronics 1: $9.30 9,042In Stock 34,800On Order 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	9,042In Stock 34,800On Order On Order Ship Dates Mfr. No: BNX026H01L Stock: 9,042 Can Dispatch Immediately On Order: 13,200 Expected 7/4/2028 21,600 Expected 10/4/2028 Factory Lead Time: 22 Weeks	Cut Tape $9.30 $7.59 $6.75 $6.39 Reel $5.00 View $6.05 $5.33 $4.72 MouseReel Available	Min.: 1 Mult.: 1 : 400	EMI Filter Circuits	EMI Network Filter Arrays	Block Type Filter	- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
EMI Filter Circuits 22.0 UF 16V 20A BNX027H01L Murata Electronics 1: $9.30 4,494In 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	4,494In Stock	Cut Tape $9.30 $7.59 $6.99 $6.57 Reel $5.00 View $6.19 $5.29 $4.71 MouseReel Available	Min.: 1 Mult.: 1 : 400	EMI Filter Circuits	EMI Network Filter Arrays	Block Type Filter	- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads 30 OHM Alternate Sizing Guide Below BLM15KD300SN1D Murata Electronics 1: $0.19 47,135In 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	47,135In Stock	Cut Tape $0.19 $0.133 $0.103 $0.094 View Reel $0.039 $0.08 $0.071 $0.063 $0.05 $0.039 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	Ferrite Beads	Ferrite Chip Beads		- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM18KG102SN1D Murata Electronics 1: $0.136 108,031In 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	108,031In Stock 280,000On Order On Order Ship Dates Mfr. No: BLM18KG102SN1D Stock: 108,031 Can Dispatch Immediately On Order: 140,000 Expected 11/12/2026 140,000 Expected 15/12/2026 Factory Lead Time: 22 Weeks	Cut Tape $0.136 $0.087 $0.068 $0.061 View Reel $0.041 $0.053 $0.048 $0.042 $0.041 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Ferrite Beads	Ferrite Chip Beads		- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below BLM18KG221SN1D Murata Electronics 1: $0.19 390,431In Stock 240,000Expected 7/12/2026	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	390,431In Stock 240,000Expected 7/12/2026	Cut Tape $0.19 $0.137 $0.107 $0.097 Reel $0.046 View $0.083 $0.073 $0.065 $0.042 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Ferrite Beads	Ferrite Chip Beads	Chip Ferrite Bead Single Type	- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below BLM18KG471SN1D Murata Electronics 1: $0.136 232,682In 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	232,682In Stock	Cut Tape $0.136 $0.087 $0.068 $0.061 View Reel $0.041 $0.053 $0.048 $0.042 $0.041 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Ferrite Beads	Ferrite Chip Beads	Chip Ferrite Bead Single Type	- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads 22 OHM Alternate Sizing Guide Below BLM18SD220SN1D Murata Electronics 1: $0.231 84,385In Stock 68,000Expected 14/12/2026	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	84,385In Stock 68,000Expected 14/12/2026	Cut Tape $0.231 $0.167 $0.131 $0.117 View Reel $0.088 $0.101 $0.09 $0.088 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Ferrite Beads	Ferrite Chip Beads		- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads 33 OHM Alternate Sizing Guide Below BLM18SG330SN1D Murata Electronics 1: $0.408 18,732In Stock 40,000Expected 19/11/2026	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	18,732In Stock 40,000Expected 19/11/2026	Cut Tape $0.408 $0.286 $0.222 $0.199 View Reel $0.098 $0.169 $0.15 $0.131 $0.098 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Ferrite Beads	Ferrite Chip Beads		- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below BLM18SP101SN1D Murata Electronics 1: $0.53 26,009In 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	26,009In Stock	Cut Tape $0.53 $0.378 $0.292 $0.26 View Reel $0.136 $0.222 $0.194 $0.17 $0.136 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Ferrite Beads	Ferrite Chip Beads		- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM18SP102SN1D Murata Electronics 1: $0.34 28,404In Stock 20,000Expected 1/2/2027	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	28,404In Stock 20,000Expected 1/2/2027	Cut Tape $0.34 $0.239 $0.186 $0.167 $0.143 Reel $0.133 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Ferrite Beads	Ferrite Chip Beads		- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
Ferrite Beads 600 OHM Alternate Sizing Guide Below BLM18SP601SN1D Murata Electronics 1: $0.53 15,961In Stock 72,000On Order	Mfr. Part No. BLM18SP601SN1D Mouser Part No 81-BLM18SP601SN1D	Murata Electronics	Ferrite Beads 600 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	15,961In Stock 72,000On Order On Order Ship Dates Mfr. No: BLM18SP601SN1D Stock: 15,961 Can Dispatch Immediately On Order: 28,000 Expected 5/11/2026 44,000 Expected 17/12/2026 Factory Lead Time: 22 Weeks	Cut Tape $0.53 $0.378 $0.292 $0.26 View Reel $0.135 $0.222 $0.194 $0.17 $0.135 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Ferrite Beads	Ferrite Chip Beads		- 55 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel

Power Supply Line Noise Suppression for Home Audio

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