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 400 NH 5%
Datasheet
4,901In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 580 NH 5%
Datasheet
694In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 1000 NH 10%
Datasheet
5,547In Stock
10,000Expected 11/25/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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
Datasheet
3,615In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 110 NH 5%
Datasheet
2,321In Stock
10,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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
Datasheet
1,386In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Wirewound 0402 (1005 metric) Unshielded 220 nH 10 % 540 mA 290 mOhms - 40 C + 125 C 1.3 GHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD
Datasheet
2,999In Stock
10,000Expected 12/21/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 390nH 320mA NONAUTO
Datasheet
709In Stock
10,000Expected 8/26/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 430 NH 5%
Datasheet
3,489In Stock
10,000Expected 12/21/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 500 NH 5%
Datasheet
2,685In Stock
10,000Expected 9/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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
3,157In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
Datasheet
4,889In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
Datasheet
7,291In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 800 NH 10%
Datasheet
758In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
Datasheet
9,990Expected 9/24/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD 800 NH 5%
Datasheet
8,840Expected 11/25/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 10,000
Mult.: 10,000
: 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
Murata Electronics RF Inductors - SMD
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 10,000
Mult.: 10,000
: 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 18 Weeks
Min.: 10,000
Mult.: 10,000
: 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 18 Weeks
Min.: 10,000
Mult.: 10,000
: 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 18 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 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, Cut Tape, MouseReel
Murata Electronics RF Inductors - SMD
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 10,000
Mult.: 10,000
: 10,000

Wirewound 0402 (1005 metric) Unshielded 270 nH 10 % 480 mA 380 mOhms - 40 C + 125 C 1.2 GHz Standard 1.02 mm 0.55 mm 0.55 mm LQW Reel
Murata Electronics RF Inductors - SMD
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 10,000
Mult.: 10,000
: 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 18 Weeks
Min.: 10,000
Mult.: 10,000
: 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