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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Murata Electronics EMI Filter Circuits 35 DB 50V 20A SMD
Datasheet
13,068In Stock
13,600Expected 10/1/2026
MouseReel Available
Min.: 1
Mult.: 1
: 400

EMI Network Filter Arrays Block Type Filter LC Filter 1 uF 430 uOhms 50 V 20 A SMD/SMT - 40 C + 125 C BNX Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 500M Ohm 100Volts 20A
Datasheet
12,153In Stock
12,400Expected 8/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 400

EMI Network Filter Arrays Block Type Filter LC Filter 100 V 15 A SMD/SMT - 40 C + 125 C BNX Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 4.7 UF 50V 20A
Datasheet
16,682In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

EMI Network Filter Arrays Block Type Filter LC Filter 4.7 uF 430 uOhms 50 V 20 A SMD/SMT - 55 C + 125 C BNX Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 10.0 UF 25V 20A
Datasheet
4,608In Stock
17,600On Order
MouseReel Available
Min.: 1
Mult.: 1
: 400

EMI Network Filter Arrays Block Type Filter LC Filter 10 uF 430 uOhms 25 V 15 A SMD/SMT - 55 C + 125 C AEC-Q200 BNX Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 10.0 UF 50V 20A
Datasheet
23,764In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

EMI Network Filter Arrays Block Type Filter LC Filter 10 uF 430 uOhms 50 V 20 A SMD/SMT - 55 C + 125 C AEC-Q200 BNX Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 22.0 UF 16V 20A
Datasheet
6,024In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

EMI Network Filter Arrays Block Type Filter LC Filter 22 uF 430 uOhms 16 V 15 A SMD/SMT - 55 C + 125 C AEC-Q200 BNX Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 16 V 15A
Datasheet
1,815In Stock
6,400On Order
MouseReel Available
Min.: 1
Mult.: 1
: 400

EMI Network Filters Block Type Filter LC Filter 47 uF 430 uOhms 16 V 20 A SMD/SMT - 40 C + 105 C BNX Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 6.3 V 15A
Datasheet
1,988On Order
MouseReel Available
Min.: 1
Mult.: 1
: 400

EMI Network Filters Block Type Filter LC Filter 100 uF 430 uOhms 6.3 V 15 A SMD/SMT - 40 C + 125 C BNX Reel, Cut Tape, MouseReel