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 (CRC) 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 42 950In Stock
Cut Tape
₡150,93
₡105,65
₡82,23
₡73,39
Reel
₡36,43
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 86 629In Stock
Cut Tape
₡202,98
₡118,67
₡93,68
₡83,79
Reel
₡51,53
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 1000 OHM Alternate Sizing Guide Below 145 824In Stock
Cut Tape
₡255,03
₡176,96
₡154,06
₡137,40
Reel
₡67,14
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
₡255,03
₡176,96
₡154,06
₡137,40
Reel
₡67,14
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 600 OHM Alternate Sizing Guide Below 410 351In Stock
Cut Tape
₡255,03
₡176,96
₡154,06
₡137,40
Reel
₡67,14
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 50 OHM 12A Alternate Sizing Guide Below 179 786In Stock
135 000Expected 2/25/2027
Cut Tape
₡327,89
₡229,00
₡197,78
₡176,44
Reel
₡94,20
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 46 998In Stock
Cut Tape
₡72,87
₡51,01
₡39,56
₡35,91
Reel
₡15,09
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 98 473In Stock
280 000On Order
Cut Tape
₡52,05
₡33,31
₡26,02
₡23,42
Reel
₡15,61
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 359 817In Stock
240 000Expected 12/7/2026
Cut Tape
₡72,87
₡52,57
₡41,12
₡36,95
Reel
₡17,70
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 211 110In Stock
Cut Tape
₡88,48
₡57,77
₡50,49
₡40,60
Reel
₡20,82
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 207 132In Stock
112 000Expected 3/29/2027
Cut Tape
₡52,05
₡33,31
₡26,02
₡23,42
Reel
₡15,61
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 25 594In Stock
1 200 000On Order
Cut Tape
₡72,87
₡52,57
₡41,12
₡34,35
Reel
₡17,70
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 381In Stock
68 000Expected 12/14/2026
Cut Tape
₡88,48
₡64,02
₡49,96
₡44,76
Reel
₡33,83
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 17 892In Stock
40 000Expected 11/12/2026
Cut Tape
₡156,14
₡109,30
₡84,84
₡75,99
Reel
₡37,47
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 959In Stock
Cut Tape
₡202,98
₡144,69
₡111,90
₡99,41
Reel
₡52,05
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 27 040In Stock
20 000Expected 2/1/2027
Cut Tape
₡135,32
₡94,72
₡73,91
₡66,10
₡56,73
Reel
₡52,05
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 15 686In Stock
72 000On Order
Cut Tape
₡223,80
₡154,58
₡134,28
₡106,70
Reel
₡61,94
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 436In Stock
216 000On Order
Cut Tape
₡255,03
₡176,96
₡154,06
₡137,40
Reel
₡67,14
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
₡255,03
₡176,96
₡154,06
₡137,40
Reel
₡71,30
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 765In Stock
28 000Expected 3/22/2027
Cut Tape
₡255,03
₡176,96
₡154,06
₡137,40
Reel
₡67,14
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 21 529In Stock
87 500On Order
Cut Tape
₡312,28
₡220,68
₡190,49
₡169,67
Reel
₡84,84
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 16 945In Stock
20 000Expected 12/8/2026
Cut Tape
₡72,87
₡51,01
₡39,56
₡35,91
Reel
₡15,61
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 20 OHM Alternate Sizing Guide Below 1 698In Stock
390 000On Order
Cut Tape
₡72,87
₡51,01
₡39,56
₡35,91
Reel
₡15,61
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 FB SMD 0603inch 220o hm NONAUTO Alternate Sizing Guide Below 6 133In Stock
8 000Expected 12/4/2026
Cut Tape
₡202,98
₡144,69
₡111,90
₡99,41
Reel
₡52,05
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 823In Stock
28 000On Order
Cut Tape
₡255,03
₡176,96
₡154,06
₡137,40
Reel
₡67,14
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