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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Maximum DC Current
Maximum DC Resistance
Minimum Operating Temperature
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Q Minimum
Self Resonant Frequency
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Murata Electronics RF Inductors - SMD 56 NH 5%
Datasheet
7,943In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Datasheet
6,457In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Murata Electronics RF Inductors - SMD 110 NH 5%
Datasheet
6,320In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 110 nH 5 % 900 mA 130 mOhms - 40 C + 125 C 1.6 GHz Standard 1 mm 0.5 mm 0.5 mm Ferrite LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 320 NH 5%
Datasheet
6,861In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 320 nH 5 % 420 mA 410 mOhms - 40 C + 125 C 1.1 GHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 500 NH 5%
Datasheet
5,667In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 500 nH 5 % 270 mA 970 mOhms - 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
Datasheet
3,172In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 500 nH 10 % 270 mA 970 mOhms - 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 800 NH 5%
Datasheet
7,102In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 800 NH 10%
Datasheet
778In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 800 nH 10 % 190 mA 2.1 Ohms - 40 C + 125 C 770 MHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 270 NH 5%
Datasheet
4,199In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Wirewound 0603 (1608 metric) Unshielded 270 nH 5 % 900 mA 150 mOhms - 55 C + 125 C 33 1.05 GHz Standard 1.6 mm 0.8 mm 0.8 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD
Datasheet
3,723In Stock
10,000Expected 2026/04/14
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 220 nH 5 % 540 mA 290 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
Datasheet
4,835In Stock
10,000Expected 2026/04/24
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 370 nH 5 % 360 mA 575 mOhms - 40 C + 125 C 1 GHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD Fixed IND 85nH 1650mA NONAUTO
Datasheet
2,850In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Wirewound 0603 (1608 metric) Unshielded 85 nH 5 % 1.65 A 48 mOhms - 55 C + 125 C 33 1.8 GHz Standard 1.6 mm 0.8 mm 0.8 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD Fixed IND 120nH 1500mA NONAUTO
Datasheet
4,572In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Wirewound 0603 (1608 metric) Unshielded 120 nH 5 % 1.5 A 58 mOhms - 55 C + 125 C 33 1.5 GHz Standard 1.6 mm 0.8 mm 0.8 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 160 NH 5%
Datasheet
1,737In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Wirewound 0603 (1608 metric) Unshielded 160 nH 5 % 1.3 A 75 mOhms - 55 C + 125 C 33 1.35 GHz Standard 1.6 mm 0.8 mm 0.8 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 330 NH 5%
Datasheet
2,725In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Wirewound 0603 (1608 metric) Unshielded 330 nH 5 % 780 mA 200 mOhms - 55 C + 125 C 33 970 MHz Standard 1.6 mm 0.8 mm 0.8 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 580 NH 5%
Datasheet
816In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Wirewound 0603 (1608 metric) Unshielded 580 nH 5 % 450 mA 460 mOhms - 55 C + 125 C 33 760 MHz Standard 1.6 mm 0.8 mm 0.8 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD
Datasheet
Non-Stocked Lead-Time 12 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 39 nH 10 % 1.1 A 75 mOhms - 40 C + 125 C 2.7 GHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 59 nH 5 % 1 A 95 mOhms - 40 C + 125 C 2.3 GHz Standard 1 mm 0.5 mm 0.5 mm LQW Reel
Murata Electronics RF Inductors - SMD
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 83 nH 10 % 970 mA 120 mOhms - 40 C + 125 C 1.7 GHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel
Murata Electronics RF Inductors - SMD
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 110 nH 10 % 900 mA 130 mOhms - 40 C + 125 C 1.6 GHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel
Murata Electronics RF Inductors - SMD
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 140 nH 10 % 680 mA 180 mOhms - 40 C + 125 C 1.4 GHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel
Murata Electronics RF Inductors - SMD
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 180 nH 10 % 640 mA 210 mOhms - 40 C + 125 C 1.3 GHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel
Murata Electronics RF Inductors - SMD
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 370 nH 10 % 360 mA 575 mOhms - 40 C + 125 C 1 GHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel
Murata Electronics RF Inductors - SMD
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

Wirewound 0402 (1005 metric) Unshielded 730 nH 10 % 200 mA 1.95 Ohms - 40 C + 125 C 810 MHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel