EMI Filters / EMI Suppression – Mouser South Africa

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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 9 UH

PLT10HH501100PNL
Murata Electronics
1: $4.54
990In Stock
2,805On Order

Mfr. Part No.
PLT10HH501100PNL

Mouser Part No
81-PLT10HH501100PNL

Murata Electronics

Common Mode Chokes / Filters 9 UH

Learn More

Datasheet

990In Stock

2,805On Order

Cut Tape

$4.54

$3.77

$3.51

$3.33

Reel

$3.05

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

Common Mode Chokes

- 55 C

+ 105 C

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads 22 OHM Alternate Sizing Guide Below

BLM18SD220SN1D
Murata Electronics
1: $0.16
17,700In Stock
20,000Expected 2026/04/14

Mfr. Part No.
BLM18SD220SN1D

Mouser Part No
81-BLM18SD220SN1D

Murata Electronics

Ferrite Beads 22 OHM Alternate Sizing Guide Below

Learn More

Datasheet

17,700In Stock

20,000Expected 2026/04/14

Cut Tape

$0.16

$0.117

$0.102

$0.092

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

BLM18SP101SN1D
Murata Electronics
1: $0.24
9,637In 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

9,637In Stock

Cut Tape

$0.24

$0.167

$0.147

$0.131

View

Reel

$0.06

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
12,311In Stock
20,000Expected 2026/05/14

Mfr. Part No.
BLM18SP601SN1D

Mouser Part No
81-BLM18SP601SN1D

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

12,311In Stock

20,000Expected 2026/05/14

Cut Tape

$0.24

$0.167

$0.147

$0.131

View

Reel

$0.06

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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: $6.52
55In 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

55In Stock

2,800On Order

Cut Tape

$6.52

$5.33

$4.91

$4.62

Reel

$3.68

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

Ferrite Beads

BLM02KX180SN1D
Murata Electronics
1: $0.24
2,000In Stock
45,000Expected 2026/06/01

Mfr. Part No.
BLM02KX180SN1D

Mouser Part No
81-BLM02KX180SN1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

2,000In Stock

45,000Expected 2026/06/01

Cut Tape

$0.24

$0.167

$0.147

$0.131

View

Reel

$0.064

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
17,316In Stock
30,000On Order

Mfr. Part No.
BLM15KD121SN1D

Mouser Part No
81-BLM15KD121SN1D

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

17,316In Stock

30,000On Order

Cut Tape

$0.10

$0.064

$0.051

$0.047

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
311In Stock
130,000On Order

Mfr. Part No.
BLM15KD200SN1D

Mouser Part No
81-BLM15KD200SN1D

Murata Electronics

Ferrite Beads 20 OHM Alternate Sizing Guide Below

Learn More

Datasheet

311In Stock

130,000On Order

Cut Tape

$0.10

$0.064

$0.051

$0.047

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
8,104In Stock
40,000On Order

Mfr. Part No.
BLM15KD300SN1D

Mouser Part No
81-BLM15KD300SN1D

Murata Electronics

Ferrite Beads 30 OHM Alternate Sizing Guide Below

Learn More

Datasheet

8,104In Stock

40,000On Order

Cut Tape

$0.10

$0.06

$0.05

$0.042

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
50,827In Stock
128,000On Order

Mfr. Part No.
BLM18KG102SN1D

Mouser Part No
81-BLM18KG102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

50,827In Stock

128,000On Order

Cut Tape

$0.10

$0.045

$0.04

$0.037

Reel

$0.023

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 220 OHM 25% Alternate Sizing Guide Below

BLM18KG221SN1D
Murata Electronics
1: $0.10
1,526In Stock
420,000On Order

Mfr. Part No.
BLM18KG221SN1D

Mouser Part No
81-BLM18KG221SN1D

Murata Electronics

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

1,526In Stock

420,000On Order

Cut Tape

$0.10

$0.06

$0.048

$0.042

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 33 OHM Alternate Sizing Guide Below

BLM18SG330SN1D
Murata Electronics
1: $0.18
18,425In Stock
40,000On Order

Mfr. Part No.
BLM18SG330SN1D

Mouser Part No
81-BLM18SG330SN1D

Murata Electronics

Ferrite Beads 33 OHM Alternate Sizing Guide Below

Learn More

Datasheet

18,425In Stock

40,000On Order

Cut Tape

$0.18

$0.127

$0.11

$0.099

View

Reel

$0.045

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
1,548In Stock
20,000On Order

Mfr. Part No.
BLM18SP102SN1D

Mouser Part No
81-BLM18SP102SN1D

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

1,548In Stock

20,000On Order

Cut Tape

$0.24

$0.167

$0.147

$0.131

View

Reel

$0.06

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
12,609In 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

12,609In Stock

Cut Tape

$0.24

$0.167

$0.147

$0.131

View

Reel

$0.06

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
15,234In Stock

Mfr. Part No.
BLM21SP181SN1D

Mouser Part No
81-BLM21SP181SN1D

Murata Electronics

Ferrite Beads 180 OHM 25%

Learn More

Datasheet

15,234In Stock

Cut Tape

$0.30

$0.209

$0.183

$0.162

View

Reel

$0.079

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
6,205In Stock
16,000On Order

Mfr. Part No.
BLM21SP471SN1D

Mouser Part No
81-BLM21SP471SN1D

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

6,205In Stock

16,000On Order

Cut Tape

$0.30

$0.209

$0.183

$0.162

View

Reel

$0.079

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

$0.183

$0.162

View

Reel

$0.079

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: $0.361
977In Stock
97,500On 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

977In Stock

97,500On Order

Cut Tape

$0.361

$0.256

$0.222

$0.199

View

Reel

$0.10

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters 100 OHM 300V 15A 2UH

PLT10HH101150PNL
Murata Electronics
1: $10.50
17In Stock
1,250On Order

Mfr. Part No.
PLT10HH101150PNL

Mouser Part No
81-PLT10HH101150PNL

Murata Electronics

Common Mode Chokes / Filters 100 OHM 300V 15A 2UH

Learn More

Datasheet

17In Stock

1,250On Order

Cut Tape

$10.50

$8.70

$8.04

$7.63

Reel

$7.04

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

Common Mode Chokes

- 55 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Common Mode Chokes / Filters 14 UH 100V 6A

PLT10HH9016R0PNL
Murata Electronics
1: $4.76
109In Stock

Mfr. Part No.
PLT10HH9016R0PNL

Mouser Part No
81-PLT10HH9016R0PNL

Murata Electronics

Common Mode Chokes / Filters 14 UH 100V 6A

Learn More

Datasheet

109In Stock

Cut Tape

$4.76

$3.87

$3.64

$3.43

Reel

$3.23

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 125

Common Mode Chokes

- 55 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM02KX100SN1D
Murata Electronics
15,000: $0.064
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

$0.064

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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