Passive Components – Mouser Ireland

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EMI Noise Suppression

Noise suppression has become an important issue, especially regarding electromagnetic interference (EMI) and electromagnetic compatibility (EMC). Murata provides engineers with complete support, including products and design-simulation software solutions based on expertise achieved through extensive on-site experience. This enables Murata to provide noise suppression solutions for a broad array of applications.

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Part #

Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below

BLM21AG102SN1D
Murata Electronics
1: €0.138
87,761In Stock
156,000Expected 14/04/2026

Mfr. Part No.
BLM21AG102SN1D

Mouser Part No
81-BLM21AG102SN1

Murata Electronics

Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below

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Datasheet

87,761In Stock

156,000Expected 14/04/2026

Cut Tape

€0.138

€0.085

€0.079

€0.071

View

Reel

€0.033

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

BLM21AG121SN1D
Murata Electronics
1: €0.129
230,771In Stock

Mfr. Part No.
BLM21AG121SN1D

Mouser Part No
81-BLM21AG121SN1D

Murata Electronics

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

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Datasheet

230,771In Stock

Cut Tape

€0.129

€0.085

€0.079

€0.072

View

Reel

€0.033

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

BLM21AG221SN1D
Murata Electronics
1: €0.129
37,126In Stock

Mfr. Part No.
BLM21AG221SN1D

Mouser Part No
81-BLM21AG221SN1D

Murata Electronics

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

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Datasheet

37,126In Stock

Cut Tape

€0.129

€0.094

€0.082

€0.073

View

Reel

€0.036

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below

BLM21BD102SN1D
Murata Electronics
1: €0.138
138,469In Stock

Mfr. Part No.
BLM21BD102SN1D

Mouser Part No
81-BLM21B102S

Murata Electronics

Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below

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Datasheet

138,469In Stock

Cut Tape

€0.138

€0.095

€0.083

€0.075

View

Reel

€0.033

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

BLM21BB221SN1D
Murata Electronics
1: €0.129
44,104In Stock

Mfr. Part No.
BLM21BB221SN1D

Mouser Part No
81-BLM21B221S

Murata Electronics

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

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Datasheet

44,104In Stock

Cut Tape

€0.129

€0.09

€0.079

€0.071

View

Reel

€0.033

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 1800 OHM 5% Alternate Sizing Guide Below

BLM21BD182SN1D
Murata Electronics
1: €0.181
38,070In Stock

Mfr. Part No.
BLM21BD182SN1D

Mouser Part No
81-BLM21BD182SN1D

Murata Electronics

Ferrite Beads 1800 OHM 5% Alternate Sizing Guide Below

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Datasheet

38,070In Stock

Cut Tape

€0.181

€0.126

€0.109

€0.098

View

Reel

€0.043

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 30 OHM 25% Alternate Sizing Guide Below

BLM21PG300SN1D
Murata Electronics
1: €0.095
191,747In Stock

Mfr. Part No.
BLM21PG300SN1D

Mouser Part No
81-BLM21P300S

Murata Electronics

Ferrite Beads 30 OHM 25% Alternate Sizing Guide Below

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Datasheet

191,747In Stock

Cut Tape

€0.095

€0.065

€0.052

€0.046

Reel

€0.023

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM21PG331SN1D
Murata Electronics
1: €0.095
254,027In Stock
134,230Expected 11/03/2026

Mfr. Part No.
BLM21PG331SN1D

Mouser Part No
81-BLM21P331SG

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

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Datasheet

254,027In Stock

134,230Expected 11/03/2026

Cut Tape

€0.095

€0.066

€0.052

€0.046

Reel

€0.023

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

BLM21PG121SN1D
Murata Electronics
1: €0.095
130,714In Stock

Mfr. Part No.
BLM21PG121SN1D

Mouser Part No
81-BLM21PG121SN1D

Murata Electronics

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

130,714In Stock

Cut Tape

€0.095

€0.065

€0.051

€0.046

Reel

€0.024

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 30 OHM 25% Alternate Sizing Guide Below

BLM21PG300SH1D
Murata Electronics
1: €0.129
49,647In Stock

Mfr. Part No.
BLM21PG300SH1D

Mouser Part No
81-BLM21PG300SH1D

Murata Electronics

Ferrite Beads 30 OHM 25% Alternate Sizing Guide Below

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Datasheet

49,647In Stock

Cut Tape

€0.129

€0.094

€0.084

€0.077

View

Reel

€0.052

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Ferrite Beads 1K OHM 25%

BLM31KN102BH1L
Murata Electronics
1: €0.439
29,238In Stock

Mfr. Part No.
BLM31KN102BH1L

Mouser Part No
81-BLM31KN102BH1L

Murata Electronics

Ferrite Beads 1K OHM 25%

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Datasheet

29,238In Stock

Cut Tape

€0.439

€0.308

€0.267

€0.237

View

Reel

€0.127

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

BLM31KN102SH1L
Murata Electronics
1: €0.378
59,470In Stock

Mfr. Part No.
BLM31KN102SH1L

Mouser Part No
81-BLM31KN102SH1L

Murata Electronics

Ferrite Beads 1000 OHM Alternate Sizing Guide Below

Learn More

Datasheet

59,470In Stock

Cut Tape

€0.378

€0.264

€0.229

€0.205

View

Reel

€0.104

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121BH1L
Murata Electronics
1: €0.439
10,001In Stock

Mfr. Part No.
BLM31KN121BH1L

Mouser Part No
81-BLM31KN121BH1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

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Datasheet

10,001In Stock

Cut Tape

€0.439

€0.308

€0.267

€0.237

View

Reel

€0.127

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 120 OHM Alternate Sizing Guide Below

BLM31KN121SH1L
Murata Electronics
1: €0.378
34,385In Stock

Mfr. Part No.
BLM31KN121SH1L

Mouser Part No
81-BLM31KN121SH1L

Murata Electronics

Ferrite Beads 120 OHM Alternate Sizing Guide Below

Learn More

Datasheet

34,385In Stock

Cut Tape

€0.378

€0.264

€0.229

€0.205

View

Reel

€0.104

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 120 OHM 6A AEC-Q200 Alternate Sizing Guide Below

BLM31KN121SZ1L
Murata Electronics
1: €0.335
36,725In Stock

Mfr. Part No.
BLM31KN121SZ1L

Mouser Part No
81-BLM31KN121SZ1L

Murata Electronics

Ferrite Beads 120 OHM 6A AEC-Q200 Alternate Sizing Guide Below

Learn More

Datasheet

36,725In Stock

Cut Tape

€0.335

€0.233

€0.202

€0.181

View

Reel

€0.092

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 270 OHM Alternate Sizing Guide Below

BLM31KN271BH1L
Murata Electronics
1: €0.404
17,004In Stock

Mfr. Part No.
BLM31KN271BH1L

Mouser Part No
81-BLM31KN271BH1L

Murata Electronics

Ferrite Beads 270 OHM Alternate Sizing Guide Below

Learn More

Datasheet

17,004In Stock

Cut Tape

€0.404

€0.285

€0.249

€0.224

View

Reel

€0.127

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 270 OHM Alternate Sizing Guide Below

BLM31KN271SH1L
Murata Electronics
1: €0.37
13,763In Stock

Mfr. Part No.
BLM31KN271SH1L

Mouser Part No
81-BLM31KN271SH1L

Murata Electronics

Ferrite Beads 270 OHM Alternate Sizing Guide Below

Learn More

Datasheet

13,763In Stock

Cut Tape

€0.37

€0.259

€0.224

€0.20

View

Reel

€0.104

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 470 OHM 4A 25% Alternate Sizing Guide Below

BLM31KN471SH1L
Murata Electronics
1: €0.378
39,355In Stock

Mfr. Part No.
BLM31KN471SH1L

Mouser Part No
81-BLM31KN471SH1L

Murata Electronics

Ferrite Beads 470 OHM 4A 25% Alternate Sizing Guide Below

Learn More

Datasheet

39,355In Stock

Cut Tape

€0.378

€0.264

€0.229

€0.205

View

Reel

€0.104

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM31KN471SZ1L
Murata Electronics
1: €0.335
12,208In Stock
12,500Expected 27/04/2026

Mfr. Part No.
BLM31KN471SZ1L

Mouser Part No
81-BLM31KN471SZ1L

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

12,208In Stock

12,500Expected 27/04/2026

Cut Tape

€0.335

€0.237

€0.206

€0.184

View

Reel

€0.092

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601BH1L
Murata Electronics
1: €0.456
29,013In Stock

Mfr. Part No.
BLM31KN601BH1L

Mouser Part No
81-BLM31KN601BH1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

29,013In Stock

Cut Tape

€0.456

€0.316

€0.273

€0.243

View

Reel

€0.13

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 600 OHM Alternate Sizing Guide Below

BLM31KN601SN1L
Murata Electronics
1: €0.318
43,839In Stock

Mfr. Part No.
BLM31KN601SN1L

Mouser Part No
81-BLM31KN601SN1L

Murata Electronics

Ferrite Beads 600 OHM Alternate Sizing Guide Below

Learn More

Datasheet

43,839In Stock

Cut Tape

€0.318

€0.225

€0.179

€0.154

View

Reel

€0.086

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 600 OHM 2.9A Alternate Sizing Guide Below

BLM31KN601SZ1L
Murata Electronics
1: €0.335
91,050In Stock

Mfr. Part No.
BLM31KN601SZ1L

Mouser Part No
81-BLM31KN601SZ1L

Murata Electronics

Ferrite Beads 600 OHM 2.9A Alternate Sizing Guide Below

Learn More

Datasheet

91,050In Stock

Cut Tape

€0.335

€0.233

€0.202

€0.181

View

Reel

€0.092

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Ferrite Beads 50 OHM 25% Alternate Sizing Guide Below

BLM31PG500SN1L
Murata Electronics
1: €0.258
95,540In Stock

Mfr. Part No.
BLM31PG500SN1L

Mouser Part No
81-BLM31P500S

Murata Electronics

Ferrite Beads 50 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

95,540In Stock

Cut Tape

€0.258

€0.184

€0.16

€0.143

View

Reel

€0.07

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

BLM31PG121SN1L
Murata Electronics
1: €0.258
90,650In Stock
60,000Expected 14/04/2026

Mfr. Part No.
BLM31PG121SN1L

Mouser Part No
81-BLM31PG121SN1L

Murata Electronics

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

90,650In Stock

60,000Expected 14/04/2026

Cut Tape

€0.258

€0.184

€0.16

€0.143

View

Reel

€0.07

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Ferrite Beads 390 OHM 25% Alternate Sizing Guide Below

BLM31PG391SH1L
Murata Electronics
1: €0.318
30,948In Stock

Mfr. Part No.
BLM31PG391SH1L

Mouser Part No
81-BLM31PG391SH1L

Murata Electronics

Ferrite Beads 390 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

30,948In Stock

Cut Tape

€0.318

€0.222

€0.192

€0.172

View

Reel

€0.085

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

EMI Noise Suppression

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