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 Ferrite Beads 1000 OHM Alternate Sizing Guide Below
Datasheet
195,657May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM21_xN Ferrite Chip Beads SMD/SMT 0805 (2012 metric) 1 kOhms 1.6 A 25 % 120 mOhms - 55 C + 125 C 2 mm 1.25 mm 0.85 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below
Datasheet
148,373May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
: 2,500

BLM31KN_SN Ferrite Chip Beads SMD/SMT 1206 (3216 metric) 1 kOhms 2 A 25 % 75 mOhms - 55 C + 125 C 3.2 mm 1.6 mm 1.6 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 600 OHM Alternate Sizing Guide Below
Datasheet
183,826May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM21_xN Ferrite Chip Beads SMD/SMT 0805 (2012 metric) 600 Ohms 2.3 A 25 % 60 mOhms - 55 C + 125 C 2 mm 1.25 mm 0.85 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 20 OHM Alternate Sizing Guide Below
Datasheet
68,442May Stock
50,000Inaasahan 5/19/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 10,000

BLM15_SN Ferrite Beads SMD/SMT 0402 (1005 metric) 20 Ohms 3.8 A 25 % 11 mOhms - 55 C + 125 C 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 120 OHM Alternate Sizing Guide Below
Datasheet
25,406May Stock
37,500Inaasahan 6/15/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 2,500

BLM31KN_SN Ferrite Chip Beads SMD/SMT 1206 (3216 metric) 120 Ohms 6 A 25 % 9 mOhms - 55 C + 125 C 3.2 mm 1.6 mm 1.6 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 470 OHM Alternate Sizing Guide Below
Datasheet
67,497May Stock
75,000Inaasahan 5/21/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 2,500

BLM31KN_SN Ferrite Chip Beads SMD/SMT 1206 (3216 metric) 470 Ohms 4 A 25 % 20 mOhms - 55 C + 125 C 3.2 mm 1.6 mm 1.6 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 600 OHM Alternate Sizing Guide Below
Datasheet
33,043May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
: 2,500

BLM31KN_SN Ferrite Chip Beads SMD/SMT 1206 (3216 metric) 600 Ohms 2.9 A 25 % 38 mOhms - 55 C + 125 C 3.2 mm 1.6 mm 1.6 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below
Datasheet
49,409May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
: 2,500

BLM31KN_SN Ferrite Chip Beads SMD/SMT 1206 (3216 metric) 800 Ohms 2.5 A 25 % 50 mOhms - 55 C + 125 C 3.2 mm 1.6 mm 1.6 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 1000 OHM Alternate Sizing Guide Below
Datasheet
96,437May Stock
220,000Inoorder
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM18_xN Ferrite Chip Beads SMD/SMT 0603 (1608 metric) 1 kOhms 1 A 25 % - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below
Datasheet
71,513May Stock
340,000Inaasahan 6/11/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM18_xN Ferrite Chip Beads SMD/SMT 0603 (1608 metric) 220 Ohms 2.2 A 25 % 50 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below
Datasheet
397,816May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM18_xN Ferrite Chip Beads SMD/SMT 0603 (1608 metric) 330 Ohms 1.7 A 25 % 80 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below
Datasheet
157,593May Stock
68,000Inaasahan 6/11/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM18_xN Ferrite Chip Beads SMD/SMT 0603 (1608 metric) 470 Ohms 1.5 A 25 % 130 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below
Datasheet
256,327May Stock
640,000Inoorder
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM18_xN Ferrite Chip Beads SMD/SMT 0603 (1608 metric) 600 Ohms 1.3 A 25 % 150 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 30 OHM Alternate Sizing Guide Below
Datasheet
95,542May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM18_xN Ferrite Chip Beads SMD/SMT 0603 (1608 metric) 30 Ohms 6 A 25 % 10 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.6 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below
Datasheet
59,339May Stock
40,000Inaasahan 8/27/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM21_xN Ferrite Chip Beads SMD/SMT 0805 (2012 metric) 30 Ohms 8.5 A 25 % 4 mOhms - 55 C + 125 C 2 mm 1.25 mm 0.85 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below
Datasheet
40,953May Stock
90,000Inoorder
Available ang MouseReel
Min.: 1
Mult.: 1
: 3,000

BLM31_SN Ferrite Beads SMD/SMT 1206 (3216 metric) 50 Ohms 12 A 25 % 1.6 mOhms - 55 C + 125 C 3.2 mm 1.6 mm 1.1 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 30 OHM Alternate Sizing Guide Below
Datasheet
44,809May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
: 10,000

BLM15_SN Ferrite Chip Beads SMD/SMT 0402 (1005 metric) 30 Ohms 3.1 A 25 % 17 mOhms - 55 C + 125 C 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 120 OHM Alternate Sizing Guide Below
Datasheet
24,866May Stock
20,000Inaasahan 5/25/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 10,000

BLM15_SN Ferrite Chip Beads SMD/SMT 0402 (1005 metric) 120 Ohms 1.5 A 25 % 70 mOhms - 55 C + 125 C 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 22 OHM Alternate Sizing Guide Below
Datasheet
23,480May Stock
20,000Inaasahan 9/10/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM18_xN Ferrite Chip Beads SMD/SMT 0603 (1608 metric) 22 Ohms 6 A 25 % 8 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 33 OHM Alternate Sizing Guide Below
Datasheet
18,210May Stock
20,000Inaasahan 5/19/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM18_xN Ferrite Chip Beads SMD/SMT 0603 (1608 metric) 33 Ohms 6 A 25 % 8 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below
Datasheet
3,067May Stock
16,000Inaasahan 7/2/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM18_xN Ferrite Chip Beads SMD/SMT 0603 (1608 metric) 100 Ohms 3.7 A 25 % 26 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.6 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 1000 OHM Alternate Sizing Guide Below
Datasheet
13,236May Stock
8,000Inaasahan 5/19/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM18_xN Ferrite Chip Beads SMD/SMT 0603 (1608 metric) 1 kOhms 1.2 A 25 % 222 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.6 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads FB SMD 0603inch 220o hm NONAUTO Alternate Sizing Guide Below
Datasheet
10,107May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM18_xN Ferrite Chip Beads SMD/SMT 0603 (1608 metric) 220 Ohms 2.8 A 25 % 48 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.6 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 600 OHM Alternate Sizing Guide Below
Datasheet
10,852May Stock
20,000Inaasahan 5/14/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM18_xN Ferrite Chip Beads SMD/SMT 0603 (1608 metric) 600 Ohms 1.5 A 25 % 168 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.6 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 110 OHM Alternate Sizing Guide Below
Datasheet
11,776May Stock
144,000Inoorder
Available ang MouseReel
Min.: 1
Mult.: 1
: 4,000

BLM21_xN Ferrite Chip Beads SMD/SMT 0805 (2012 metric) 110 Ohms 5 A 25 % 13 mOhms - 55 C + 125 C 2 mm 1.25 mm 0.85 mm Reel, Cut Tape, MouseReel