Audio Line Noise Suppression for Home Audio

Digital amplifiers are becoming more popular for home audio applications and have improved in terms of audio quality. But because of the switching noise that occurs in digital amplifiers, noise that exceeds EMC standards can be emitted into the space around the cable connected to the speaker. Noise suppression via capacitors and inductors is typically implemented to solve this noise problem. But Murata has developed noise filters for audio lines that suppress unwanted noise while maintaining audio quality. Here is an overview of noise problems in home audio and their solutions.

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Murata Electronics RF Inductors - SMD 180 NH 5% 9,010Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 180 nH 5 % 640 mA 210 mOhms - 40 C + 125 C 1.3 GHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 7,935Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 560 nH 5 % 270 mA 1 Ohms - 40 C + 125 C 900 MHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 730 NH 5% 16,182Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 730 nH 5 % 200 mA 1.95 Ohms - 40 C + 125 C 810 MHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 10,437Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 140 nH 5 % 680 mA 180 mOhms - 40 C + 125 C 1.4 GHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 2 UH 10% 15,471Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 2 uH 10 % 130 mA 3.2 Ohms - 40 C + 125 C 120 MHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 8,887Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 640 nH 5 % 240 mA 1.4 Ohms - 40 C + 125 C 870 MHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 9,817Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 640 nH 10 % 240 mA 1.4 Ohms - 40 C + 125 C 870 MHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 430 NH 5% 10,687Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 430 nH 5 % 360 mA 680 mOhms - 40 C + 125 C 920 MHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 32 NH 5% 7,278Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 4,000

Wirewound 0603 (1608 metric) Unshielded 32 nH 5 % 2.2 A 30 mOhms - 55 C + 125 C 33 3 GHz Standard 1.6 mm 0.8 mm 0.8 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 2,595Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 83 nH 5 % 970 mA 120 mOhms - 40 C + 125 C 1.7 GHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 5,392Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 22 nH 10 % 1.3 A 60 mOhms - 40 C + 125 C 3 GHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 4,394Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 320 nH 10 % 420 mA 410 mOhms - 40 C + 125 C 1.1 GHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 800 NH 5% 7,102Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 800 nH 5 % 190 mA 2.1 Ohms - 40 C + 125 C 770 MHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 5,007Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 560 nH 10 % 270 mA 1 Ohms - 40 C + 125 C 900 MHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 5,681Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 39 nH 5 % 1.1 A 75 mOhms - 40 C + 125 C 2.7 GHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 4,362Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 59 nH 10 % 1 A 95 mOhms - 40 C + 125 C 2.3 GHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 3,932Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 430 nH 10 % 360 mA 680 mOhms - 40 C + 125 C 920 MHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 210 NH 5% 4,954Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 4,000

Wirewound 0603 (1608 metric) Unshielded 210 nH 5 % 1.05 A 115 mOhms - 55 C + 125 C 33 1.15 GHz Standard 1.6 mm 0.8 mm 0.8 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 480 NH 5% 4,842Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 4,000

Wirewound 0603 (1608 metric) Unshielded 480 nH 5 % 580 mA 350 mOhms - 55 C + 125 C 33 800 MHz Standard 1.6 mm 0.8 mm 0.8 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 270 NH 5% 10,285Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 270 nH 5 % 480 mA 380 mOhms - 40 C + 125 C 1.2 GHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD Fixed IND 390nH 320mA NONAUTO 7,900Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 390 nH 10 % 320 mA 720 mOhms - 55 C + 125 C 950 MHz Standard 1.02 mm 0.61 mm 0.61 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 400 NH 5% 7,621Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 4,000

Wirewound 0603 (1608 metric) Unshielded 400 nH 5 % 680 mA 260 mOhms - 55 C + 125 C 33 900 MHz Standard 1.6 mm 0.8 mm 0.8 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 56 NH 5% 7,943Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 4,000

Wirewound 0603 (1608 metric) Unshielded 56 nH 5 % 1.85 A 40 mOhms - 55 C + 125 C 33 2.2 GHz Standard 1.6 mm 0.8 mm 0.8 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 1000 NH 10% 1,272Có hàng
10,000Dự kiến 23/02/2026
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 1 uH 10 % 180 mA 2.2 Ohms - 40 C + 125 C 400 MHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 6,457Có hàng
Tối thiểu: 1
Nhiều: 1
Rulo cuốn: 10,000

Wirewound 0402 (1005 metric) Unshielded 22 nH 5 % 1.3 A 60 mOhms - 40 C + 125 C 3 GHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel