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.

Results: 32
Select Image Part # Mfr. Description Datasheet Availability Pricing (CLP) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Product Termination Style Package / Case Impedance Maximum DC Current Tolerance Maximum DC Resistance Minimum Operating Temperature Maximum Operating Temperature Length Width Height Packaging
Murata Electronics Ferrite Beads 600 OHM Alternate Sizing Guide Below 400.563In Stock
Cut Tape
$558
$387
$337
$301
Reel
$147
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 42.950In Stock
Cut Tape
$330
$231
$180
$161
Reel
$79,7
Min.: 1
Mult.: 1
: 15.000
BLM02xX_SN Ferrite Beads SMD/SMT 1005 (0402 metric) 18 Ohms 1.2 A 25 % 45 mOhms - 55 C + 125 C 0.4 mm 0.2 mm 0.2 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 30 OHM Alternate Sizing Guide Below 85.629In Stock
Cut Tape
$444
$260
$205
$183
Reel
$113
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 220 OHM 25% Alternate Sizing Guide Below 547.020In Stock
Cut Tape
$159
$115
$90
$80,9
Reel
$38,7
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 1000 OHM Alternate Sizing Guide Below 141.374In Stock
Cut Tape
$558
$387
$337
$301
Reel
$147
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 180 OHM 25% 115.800In Stock
Cut Tape
$570
$387
$337
$301
Reel
$167
Min.: 1
Mult.: 1
: 4.000
BLM21_xN Ferrite Chip Beads SMD/SMT 0805 (2012 metric) 180 Ohms 4 A 25 % 20 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 174.966In Stock
135.000Expected 2/25/2027
Cut Tape
$718
$501
$433
$386
Reel
$206
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 44.414In Stock
Cut Tape
$159
$112
$86,6
$78,6
Reel
$33
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 1000 OHM Alternate Sizing Guide Below 88.116In Stock
280.000On Order
Cut Tape
$114
$72,9
$57
$51,3
Reel
$34,2
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 330 OHM 25% Alternate Sizing Guide Below 206.880In Stock
Cut Tape
$194
$126
$111
$88,9
Reel
$45,6
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 204.877In Stock
112.000Expected 3/29/2027
Cut Tape
$114
$72,9
$57
$51,3
Reel
$34,2
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 83.577In Stock
1.120.000Expected 1/25/2027
Cut Tape
$159
$115
$90
$75,2
Reel
$38,7
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 22 OHM Alternate Sizing Guide Below 83.243In Stock
68.000Expected 12/14/2026
Cut Tape
$194
$140
$109
$98
Reel
$74,1
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 46.127In Stock
11.900Expected 11/17/2026
Cut Tape
$342
$239
$186
$166
Reel
$82
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 25.249In Stock
Cut Tape
$444
$317
$245
$218
Reel
$114
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 23.040In Stock
20.000Expected 2/22/2027
Cut Tape
$296
$207
$162
$145
$124
Reel
$114
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 600 OHM Alternate Sizing Guide Below 43.671In Stock
44.000Expected 12/17/2026
Cut Tape
$444
$317
$245
$218
Reel
$114
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 11.286In Stock
216.000On Order
Cut Tape
$558
$387
$337
$301
Reel
$147
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
Murata Electronics Ferrite Beads 330 OHM Alternate Sizing Guide Below 13.154In Stock
56.000On Order
Cut Tape
$558
$387
$337
$301
Reel
$156
Min.: 1
Mult.: 1
: 4.000
BLM21_xN Ferrite Chip Beads SMD/SMT 0805 (2012 metric) 330 Ohms 2.8 A 25 % 40 mOhms - 55 C + 125 C 2 mm 1.25 mm 0.85 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 470 OHM Alternate Sizing Guide Below 30.515In Stock
28.000Expected 3/22/2027
Cut Tape
$558
$387
$337
$301
Reel
$147
Min.: 1
Mult.: 1
: 4.000
BLM21_xN Ferrite Chip Beads SMD/SMT 0805 (2012 metric) 470 Ohms 2.5 A 25 % 50 mOhms - 55 C + 125 C 2 mm 1.25 mm 0.85 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 600 OHM Alternate Sizing Guide Below 18.647In Stock
87.500On Order
Cut Tape
$684
$483
$417
$371
Reel
$186
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 120 OHM Alternate Sizing Guide Below 14.945In Stock
20.000Expected 12/8/2026
Cut Tape
$159
$112
$86,6
$78,6
Reel
$34,2
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 FB SMD 0603inch 220o hm NONAUTO Alternate Sizing Guide Below 5.993In Stock
8.000Expected 12/4/2026
Cut Tape
$444
$317
$245
$218
Reel
$114
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 70 OHM Alternate Sizing Guide Below 6.203In Stock
28.000On Order
Cut Tape
$570
$387
$337
$301
Reel
$156
Min.: 1
Mult.: 1
: 4.000
BLM21_xN Ferrite Chip Beads SMD/SMT 0805 (2012 metric) 70 Ohms 6 A 25 % 9 mOhms - 55 C + 125 C 2 mm 1.25 mm 0.85 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads Chip Ferrite 0805, 4mOhms Res, 30Ohms Imp, 8.5A
539.774On Order
Cut Tape
$365
$255
$198
$177
Reel
$87,7
Min.: 1
Mult.: 1
: 4.000
BLM21_xN Ferrite Chip Beads SMD/SMT 0805 (2012 metric) 30 Ohms 8.5 A 4 mOhms - 55 C + 125 C 2 mm 1.25 mm 0.85 mm Reel, Cut Tape, MouseReel