EMI Filters / EMI Suppression

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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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Types of EMI Filters / EMI Suppression

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Part #

Common Mode Chokes / Filters 14 UH 100V 6A

PLT10HH9016R0PNL
Murata Electronics
1: $4.75
609In Stock
500Expected 18/06/2026

Mfr. Part No.
PLT10HH9016R0PNL

Mouser Part No
81-PLT10HH9016R0PNL

Murata Electronics

Common Mode Chokes / Filters 14 UH 100V 6A

Learn More

Datasheet

609In Stock

500Expected 18/06/2026

Cut Tape

$4.75

$3.87

$3.57

$3.36

Reel

$3.09

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

Common Mode Chokes

- 55 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below

BLM18SP101SN1D
Murata Electronics
1: $0.24
9,642In Stock

Mfr. Part No.
BLM18SP101SN1D

Mouser Part No
81-BLM18SP101SN1D

Murata Electronics

Ferrite Beads FB SMD 0603inch 100o hm NONAUTO Alternate Sizing Guide Below

Learn More

Datasheet

9,642In Stock

Cut Tape

$0.24

$0.168

$0.146

$0.131

View

Reel

$0.059

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM18SP601SN1D
Murata Electronics
1: $0.24
12,566In Stock

Mfr. Part No.
BLM18SP601SN1D

Mouser Part No
81-BLM18SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

12,566In Stock

Cut Tape

$0.24

$0.168

$0.146

$0.131

View

Reel

$0.059

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM02KX180SN1D
Murata Electronics
1: $0.24
17,000In Stock
45,000Expected 01/06/2026

Mfr. Part No.
BLM02KX180SN1D

Mouser Part No
81-BLM02KX180SN1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

17,000In Stock

45,000Expected 01/06/2026

Cut Tape

$0.24

$0.168

$0.146

$0.131

View

Reel

$0.062

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

Ferrite Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM15KD121SN1D
Murata Electronics
1: $0.10
18,241In Stock
10,000Expected 14/04/2026

Mfr. Part No.
BLM15KD121SN1D

Mouser Part No
81-BLM15KD121SN1D

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

18,241In Stock

10,000Expected 14/04/2026

Cut Tape

$0.10

$0.064

$0.051

$0.046

View

Reel

$0.02

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 20 OHM Alternate Sizing Guide Below

BLM15KD200SN1D
Murata Electronics
1: $0.10
576In Stock
80,000On Order

Mfr. Part No.
BLM15KD200SN1D

Mouser Part No
81-BLM15KD200SN1D

Murata Electronics

Ferrite Beads 20 OHM Alternate Sizing Guide Below

Learn More

Datasheet

576In Stock

80,000On Order

Cut Tape

$0.10

$0.064

$0.051

$0.046

View

Reel

$0.02

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Ferrite Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 30 OHM Alternate Sizing Guide Below

BLM15KD300SN1D
Murata Electronics
1: $0.10
104In Stock
50,000On Order

Mfr. Part No.
BLM15KD300SN1D

Mouser Part No
81-BLM15KD300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

104In Stock

50,000On Order

Cut Tape

$0.10

$0.058

$0.048

$0.041

View

Reel

$0.02

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18KG102SN1D
Murata Electronics
1: $0.10
58,551In Stock
60,000Expected 23/04/2026

Mfr. Part No.
BLM18KG102SN1D

Mouser Part No
81-BLM18KG102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

58,551In Stock

60,000Expected 23/04/2026

Cut Tape

$0.10

$0.045

$0.039

$0.037

Reel

$0.022

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

BLM18KG601SN1D
Murata Electronics
1: $0.10
43,741In Stock
358,700On Order

Mfr. Part No.
BLM18KG601SN1D

Mouser Part No
81-BLM18KG601SN1D

Murata Electronics

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

43,741In Stock

358,700On Order

Cut Tape

$0.10

$0.062

$0.049

$0.044

Reel

$0.019

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 22 OHM Alternate Sizing Guide Below

BLM18SD220SN1D
Murata Electronics
1: $0.14
2,835In Stock
36,000On Order

Mfr. Part No.
BLM18SD220SN1D

Mouser Part No
81-BLM18SD220SN1D

Murata Electronics

Ferrite Beads 22 OHM Alternate Sizing Guide Below

Learn More

Datasheet

2,835In Stock

36,000On Order

Cut Tape

$0.14

$0.092

$0.082

$0.075

View

Reel

$0.042

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 33 OHM Alternate Sizing Guide Below

BLM18SG330SN1D
Murata Electronics
1: $0.18
39,870On Order

Mfr. Part No.
BLM18SG330SN1D

Mouser Part No
81-BLM18SG330SN1D

Murata Electronics

Ferrite Beads 33 OHM Alternate Sizing Guide Below

Learn More

Datasheet

39,870On Order

Cut Tape

$0.18

$0.127

$0.111

$0.099

View

Reel

$0.042

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM18SP102SN1D
Murata Electronics
1: $0.24
1,718In Stock
12,000Expected 14/04/2026

Mfr. Part No.
BLM18SP102SN1D

Mouser Part No
81-BLM18SP102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

1,718In Stock

12,000Expected 14/04/2026

Cut Tape

$0.24

$0.168

$0.146

$0.131

View

Reel

$0.059

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads FB SMD 0603inch 220o hm NONAUTO Alternate Sizing Guide Below

BLM18SP221SN1D
Murata Electronics
1: $0.24
12,759In Stock

Mfr. Part No.
BLM18SP221SN1D

Mouser Part No
81-BLM18SP221SN1D

Murata Electronics

Ferrite Beads FB SMD 0603inch 220o hm NONAUTO Alternate Sizing Guide Below

Learn More

Datasheet

12,759In Stock

Cut Tape

$0.24

$0.168

$0.146

$0.131

View

Reel

$0.059

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 180 OHM 25%

BLM21SP181SN1D
Murata Electronics
1: $0.30
15,316In Stock

Mfr. Part No.
BLM21SP181SN1D

Mouser Part No
81-BLM21SP181SN1D

Murata Electronics

Ferrite Beads 180 OHM 25%

Learn More

Datasheet

15,316In Stock

Cut Tape

$0.30

$0.209

$0.182

$0.162

View

Reel

$0.076

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM21SP471SN1D
Murata Electronics
1: $0.30
6,595In Stock
8,000Expected 16/04/2026

Mfr. Part No.
BLM21SP471SN1D

Mouser Part No
81-BLM21SP471SN1D

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

6,595In Stock

8,000Expected 16/04/2026

Cut Tape

$0.30

$0.209

$0.182

$0.162

View

Reel

$0.076

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 70 OHM Alternate Sizing Guide Below

BLM21SP700SN1D
Murata Electronics
1: $0.30
15,520In Stock

Mfr. Part No.
BLM21SP700SN1D

Mouser Part No
81-BLM21SP700SN1D

Murata Electronics

Ferrite Beads 70 OHM Alternate Sizing Guide Below

Learn More

Datasheet

15,520In Stock

Cut Tape

$0.30

$0.209

$0.182

$0.162

View

Reel

$0.076

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

BLM31KN271SN1L
Murata Electronics
1: $0.36
2,517In Stock
57,500On Order

Mfr. Part No.
BLM31KN271SN1L

Mouser Part No
81-BLM31KN271SN1L

Murata Electronics

Ferrite Beads 270 OHM 4.5A Alternate Sizing Guide Below

Learn More

Datasheet

2,517In Stock

57,500On Order

Cut Tape

$0.36

$0.256

$0.222

$0.199

View

Reel

$0.096

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

EMI Filter Circuits 22.0 UF 16V 20A

BNX027H01L
Murata Electronics
1: $5.88
71In Stock
2,800On Order

Mfr. Part No.
BNX027H01L

Mouser Part No
81-BNX027H01L

Murata Electronics

EMI Filter Circuits 22.0 UF 16V 20A

Learn More

Datasheet

71In Stock

2,800On Order

Cut Tape

$5.88

$4.80

$4.43

$4.17

Reel

$3.32

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits

EMI Network Filter Arrays

LC Filter

- 55 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters 9 UH

PLT10HH501100PNL
Murata Electronics
1: $4.75
28In Stock
1,555On Order

Mfr. Part No.
PLT10HH501100PNL

Mouser Part No
81-PLT10HH501100PNL

Murata Electronics

Common Mode Chokes / Filters 9 UH

Learn More

Datasheet

28In Stock

1,555On Order

Cut Tape

$4.75

$3.87

$3.57

$3.36

Reel

$3.10

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

Common Mode Chokes

- 55 C

+ 105 C

AEC-Q200

Reel, Cut Tape, MouseReel

EMI Filter Circuits 500M Ohm 100Volts 15A

BNX02301L
Murata Electronics
1: $4.98
8,439On Order

Mfr. Part No.
BNX02301L

Mouser Part No
81-BNX023-01L

Murata Electronics

EMI Filter Circuits 500M Ohm 100Volts 15A

Learn More

Datasheet

8,439On Order

Cut Tape

$4.98

$4.07

$3.75

$3.53

Reel

$2.81

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

EMI Filter Circuits

EMI Network Filter Arrays

LC Filter

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM02KX100SN1D
Murata Electronics
15,000: $0.062
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
BLM02KX100SN1D

Mouser Part No
81-BLM02KX100SN1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$0.062

Min.: 15,000
Mult.: 15,000

Reel: 15,000

Ferrite Beads

- 55 C

+ 125 C

Reel

Power Supply Line Noise Suppression for Home Audio

Types of EMI Filters / EMI Suppression

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