Passive Components – Mouser Singapore

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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 330 OHM Alternate Sizing Guide Below

BLM21PG331SZ1D
Murata Electronics
1: $0.163
9,845In Stock

Mfr. Part No.
BLM21PG331SZ1D

Mouser Part No
81-BLM21PG331SZ1D

Murata Electronics

Ferrite Beads 330 OHM Alternate Sizing Guide Below

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Datasheet

9,845In Stock

Cut Tape

$0.163

$0.112

$0.087

$0.079

Reel

$0.038

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 60 OHM Alternate Sizing Guide Below

BLM21PG600SZ1D
Murata Electronics
1: $0.163
23,400In Stock

Mfr. Part No.
BLM21PG600SZ1D

Mouser Part No
81-BLM21PG600SZ1D

Murata Electronics

Ferrite Beads 60 OHM Alternate Sizing Guide Below

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Datasheet

23,400In Stock

Cut Tape

$0.163

$0.112

$0.087

$0.079

Reel

$0.038

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

BLM21RK121SN1D
Murata Electronics
1: $0.218
17,737In Stock

Mfr. Part No.
BLM21RK121SN1D

Mouser Part No
81-BLM21RK121SN1D

Murata Electronics

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

17,737In Stock

Cut Tape

$0.218

$0.154

$0.132

$0.118

View

Reel

$0.052

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

BLM21RK221SN1D
Murata Electronics
1: $0.218
13,311In Stock

Mfr. Part No.
BLM21RK221SN1D

Mouser Part No
81-BLM21RK221SN1D

Murata Electronics

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

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Datasheet

13,311In Stock

Cut Tape

$0.218

$0.154

$0.132

$0.118

View

Reel

$0.053

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM21RK471SN1D
Murata Electronics
1: $0.218
5,444In Stock

Mfr. Part No.
BLM21RK471SN1D

Mouser Part No
81-BLM21RK471SN1D

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

5,444In Stock

Cut Tape

$0.218

$0.154

$0.132

$0.118

View

Reel

$0.052

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

BLM21RK601SN1D
Murata Electronics
1: $0.218
34,176In Stock

Mfr. Part No.
BLM21RK601SN1D

Mouser Part No
81-BLM21RK601SN1D

Murata Electronics

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

34,176In Stock

Cut Tape

$0.218

$0.154

$0.132

$0.118

View

Reel

$0.052

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

BLM21SN300SH1D
Murata Electronics
1: $0.326
12,999In Stock
48,000On Order

Mfr. Part No.
BLM21SN300SH1D

Mouser Part No
81-BLM21SN300SH1D

Murata Electronics

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

Learn More

Datasheet

12,999In Stock

48,000On Order

Cut Tape

$0.326

$0.227

$0.197

$0.177

View

Reel

$0.076

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 1K OHM 25%

BLM21SP102SZ1D
Murata Electronics
1: $0.286
6,482In Stock

Mfr. Part No.
BLM21SP102SZ1D

Mouser Part No
81-BLM21SP102SZ1D

Murata Electronics

Ferrite Beads 1K OHM 25%

Learn More

Datasheet

6,482In Stock

Cut Tape

$0.286

$0.238

$0.22

$0.208

View

Reel

$0.131

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 180 OHM Alternate Sizing Guide Below

BLM21SP181SH1D
Murata Electronics
1: $0.435
14,647In Stock

Mfr. Part No.
BLM21SP181SH1D

Mouser Part No
81-BLM21SP181SH1D

Murata Electronics

Ferrite Beads 180 OHM Alternate Sizing Guide Below

Learn More

Datasheet

14,647In Stock

Cut Tape

$0.435

$0.302

$0.262

$0.218

View

Reel

$0.113

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 180 OHM

BLM21SP181SZ1D
Murata Electronics
1: $0.286
1,887In Stock
16,000On Order

Mfr. Part No.
BLM21SP181SZ1D

Mouser Part No
81-BLM21SP181SZ1D

Murata Electronics

Ferrite Beads 180 OHM

Learn More

Datasheet

1,887In Stock

16,000On Order

Cut Tape

$0.286

$0.238

$0.22

$0.208

View

Reel

$0.125

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

BLM21SP331BH1D
Murata Electronics
1: $0.53
6,418In Stock
8,000Expected 26/10/2026

Mfr. Part No.
BLM21SP331BH1D

Mouser Part No
81-BLM21SP331BH1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

6,418In Stock

8,000Expected 26/10/2026

Cut Tape

$0.53

$0.371

$0.321

$0.287

View

Reel

$0.132

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 330 OHM Alternate Sizing Guide Below

BLM21SP331SH1D
Murata Electronics
1: $0.462
1,022In Stock
11,850Expected 18/9/2026

Mfr. Part No.
BLM21SP331SH1D

Mouser Part No
81-BLM21SP331SH1D

Murata Electronics

Ferrite Beads 330 OHM Alternate Sizing Guide Below

Learn More

Datasheet

1,022In Stock

11,850Expected 18/9/2026

Cut Tape

$0.462

$0.324

$0.28

$0.252

View

Reel

$0.113

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads

BLM21SP471BH1D
Murata Electronics
1: $0.53
2,938In Stock
8,000Expected 15/1/2027

Mfr. Part No.
BLM21SP471BH1D

Mouser Part No
81-BLM21SP471BH1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

2,938In Stock

8,000Expected 15/1/2027

Cut Tape

$0.53

$0.371

$0.321

$0.287

View

Reel

$0.132

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 70 OHM Alternate Sizing Guide Below

BLM21SP700SH1D
Murata Electronics
1: $0.422
3,149In Stock
28,000Expected 21/1/2027

Mfr. Part No.
BLM21SP700SH1D

Mouser Part No
81-BLM21SP700SH1D

Murata Electronics

Ferrite Beads 70 OHM Alternate Sizing Guide Below

Learn More

Datasheet

3,149In Stock

28,000Expected 21/1/2027

Cut Tape

$0.422

$0.324

$0.28

$0.252

View

Reel

$0.113

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 70 OHM Alternate Sizing Guide Below

BLM21SP700SN1D
Murata Electronics
1: $0.422
11,182In Stock
12,000Expected 21/1/2027

Mfr. Part No.
BLM21SP700SN1D

Mouser Part No
81-BLM21SP700SN1D

Murata Electronics

Ferrite Beads 70 OHM Alternate Sizing Guide Below

Learn More

Datasheet

11,182In Stock

12,000Expected 21/1/2027

Cut Tape

$0.422

$0.296

$0.258

$0.231

View

Reel

$0.109

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 70 OHM 25%

BLM21SP700SZ1D
Murata Electronics
1: $0.286
14,033In Stock

Mfr. Part No.
BLM21SP700SZ1D

Mouser Part No
81-BLM21SP700SZ1D

Murata Electronics

Ferrite Beads 70 OHM 25%

Learn More

Datasheet

14,033In Stock

Cut Tape

$0.286

$0.238

$0.22

$0.208

View

Reel

$0.132

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Ferrite Beads 1K OHM 25%

BLM31KN102BH1L
Murata Electronics
1: $0.734
7,050In Stock
42,500On Order

Mfr. Part No.
BLM31KN102BH1L

Mouser Part No
81-BLM31KN102BH1L

Murata Electronics

Ferrite Beads 1K OHM 25%

Learn More

Datasheet

7,050In Stock

42,500On Order

Cut Tape

$0.734

$0.50

$0.437

$0.386

View

Reel

$0.194

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 270 OHM Alternate Sizing Guide Below

BLM31KN271BH1L
Murata Electronics
1: $0.653
374In Stock
37,500On Order

Mfr. Part No.
BLM31KN271BH1L

Mouser Part No
81-BLM31KN271BH1L

Murata Electronics

Ferrite Beads 270 OHM Alternate Sizing Guide Below

Learn More

Datasheet

374In Stock

37,500On Order

Cut Tape

$0.653

$0.464

$0.404

$0.364

View

Reel

$0.194

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 470 OHM

BLM31KN471BH1L
Murata Electronics
1: $0.734
840In Stock
5,000Expected 3/12/2026

Mfr. Part No.
BLM31KN471BH1L

Mouser Part No
81-BLM31KN471BH1L

Murata Electronics

Ferrite Beads 470 OHM

Learn More

Datasheet

840In Stock

5,000Expected 3/12/2026

Cut Tape

$0.734

$0.515

$0.446

$0.398

View

Reel

$0.194

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads

BLM31KN801BH1L
Murata Electronics
1: $0.734
2,173In Stock
2,500Expected 2/11/2026

Mfr. Part No.
BLM31KN801BH1L

Mouser Part No
81-BLM31KN801BH1L

Murata Electronics

Ferrite Beads

Learn More

Datasheet

2,173In Stock

2,500Expected 2/11/2026

Cut Tape

$0.734

$0.50

$0.437

$0.386

View

Reel

$0.193

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 120 OHM 2000MA Alternate Sizing Guide Below

BLM31PG121SZ1L
Murata Electronics
1: $0.476
10,423In Stock

Mfr. Part No.
BLM31PG121SZ1L

Mouser Part No
81-BLM31PG121SZ1L

Murata Electronics

Ferrite Beads 120 OHM 2000MA Alternate Sizing Guide Below

Learn More

Datasheet

10,423In Stock

Cut Tape

$0.476

$0.332

$0.288

$0.257

View

Reel

$0.117

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Ferrite Beads 50 OHM 25% Alternate Sizing Guide Below

BLM31PG500SH1L
Murata Electronics
1: $0.517
13,106In Stock
12,000Expected 5/11/2026

Mfr. Part No.
BLM31PG500SH1L

Mouser Part No
81-BLM31PG500SH1L

Murata Electronics

Ferrite Beads 50 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

13,106In Stock

12,000Expected 5/11/2026

Cut Tape

$0.517

$0.36

$0.313

$0.279

View

Reel

$0.129

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Ferrite Beads

BLM31PG500SZ1L
Murata Electronics
1: $0.476
5,132In Stock

Mfr. Part No.
BLM31PG500SZ1L

Mouser Part No
81-BLM31PG500SZ1L

Murata Electronics

Ferrite Beads

Learn More

Datasheet

5,132In Stock

Cut Tape

$0.476

$0.332

$0.288

$0.257

View

Reel

$0.117

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Ferrite Beads

BLM41PG102SZ1L
Murata Electronics
1: $0.707
206In Stock

Mfr. Part No.
BLM41PG102SZ1L

Mouser Part No
81-BLM41PG102SZ1L

Murata Electronics

Ferrite Beads

Learn More

Datasheet

206In Stock

Cut Tape

$0.707

$0.494

$0.427

$0.381

View

Reel

$0.184

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Ferrite Beads 180 OHM 25% Alternate Sizing Guide Below

BLM41PG181SH1L
Murata Electronics
1: $0.734
6,520Expected 8/2/2027

Mfr. Part No.
BLM41PG181SH1L

Mouser Part No
81-BLM41PG181SH1L

Murata Electronics

Ferrite Beads 180 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

6,520Expected 8/2/2027

Cut Tape

$0.734

$0.50

$0.452

$0.386

View

Reel

$0.193

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

EMI Noise Suppression

Types of Passive Components

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