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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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
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Maximum DC Current
Tolerance
Maximum DC Resistance
Minimum Operating Temperature
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Murata Electronics Ferrite Beads 470 OHM Alternate Sizing Guide Below
Datasheet
265.882On Order
Cut Tape
0,516 €
0,363 €
0,314 €
0,28 €
View
Reel
0,15 €
MouseReel Available
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
109.401On Order
Cut Tape
0,516 €
0,363 €
0,314 €
0,28 €
View
Reel
0,15 €
MouseReel Available
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
80.112On Order
Cut Tape
0,516 €
0,363 €
0,314 €
0,28 €
View
Reel
0,15 €
MouseReel Available
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 70 OHM Alternate Sizing Guide Below
Datasheet
39.173On Order
Cut Tape
0,267 €
0,187 €
0,163 €
0,146 €
View
Reel
0,116 €
MouseReel Available
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 330 OHM 25% Alternate Sizing Guide Below
Datasheet
205.500Expected 11/9/2026
Cut Tape
0,198 €
0,095 €
0,083 €
0,066 €
View
Reel
0,034 €
MouseReel Available
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 33 OHM Alternate Sizing Guide Below
Datasheet
87.132On Order
Cut Tape
0,163 €
0,115 €
0,10 €
0,089 €
View
Reel
0,065 €
MouseReel Available
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
Datasheet
Non-Stocked Lead-Time 4 Weeks
Reel
0,062 €
Min.: 15.000
Mult.: 15.000
: 15.000
BLM02xX_SN Ferrite Beads SMD/SMT 1005 (0402 metric) 10 Ohms 1.5 A 5 Ohms 30 mOhms - 55 C + 125 C 0.4 mm 0.2 mm 0.2 mm Reel