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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 2200 OHM 25% Alternate Sizing Guide Below

BLM21BD222SH1L
Murata Electronics
1: 0,206 €
1.767In Stock
3.000Expected 01/05/2026

Mfr. Part No.
BLM21BD222SH1L

Mouser Part No
81-BLM21BD222SH1L

Murata Electronics

Ferrite Beads 2200 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

1.767In Stock

3.000Expected 01/05/2026

Cut Tape

0,206 €

0,144 €

0,126 €

0,113 €

View

Reel

0,054 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Inductor Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM21BD222SZ1L
Murata Electronics
1: 0,215 €
2.707In Stock

Mfr. Part No.
BLM21BD222SZ1L

Mouser Part No
81-BLM21BD222SZ1L

Murata Electronics

Ferrite Beads

Learn More

Datasheet

2.707In Stock

Cut Tape

0,215 €

0,145 €

0,126 €

0,114 €

View

Reel

0,05 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

Ferrite Beads

Chip Ferrite Bead

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 2.2K OHM 25% Alternate Sizing Guide Below

BLM21BD222TH1D
Murata Electronics
1: 0,198 €
8.000In Stock

Mfr. Part No.
BLM21BD222TH1D

Mouser Part No
81-BLM21BD222TH1D

Murata Electronics

Ferrite Beads 2.2K OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

8.000In Stock

Cut Tape

0,198 €

0,142 €

0,123 €

0,11 €

View

Reel

0,052 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Inductor Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM21BD222TZ1D
Murata Electronics
1: 0,189 €
2.143In Stock

Mfr. Part No.
BLM21BD222TZ1D

Mouser Part No
81-BLM21BD222TZ1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

2.143In Stock

Cut Tape

0,189 €

0,135 €

0,117 €

0,104 €

View

Reel

0,047 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Chip Ferrite Bead

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM21BD331SH1D
Murata Electronics
1: 0,172 €
1.563In Stock

Mfr. Part No.
BLM21BD331SH1D

Mouser Part No
81-BLM21BD331SH1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

1.563In Stock

Cut Tape

0,172 €

0,117 €

0,101 €

0,091 €

View

Reel

0,04 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Inductor Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

BLM21BD331SN1D
Murata Electronics
1: 0,138 €
5.485In Stock

Mfr. Part No.
BLM21BD331SN1D

Mouser Part No
81-BLM21BD331SN1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

5.485In 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

Ferrite Chip Beads

Chip Ferrite Bead Single Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 420 OHM 25% Alternate Sizing Guide Below

BLM21BD421SH1D
Murata Electronics
1: 0,172 €
4.300In Stock

Mfr. Part No.
BLM21BD421SH1D

Mouser Part No
81-BLM21BD421SH1D

Murata Electronics

Ferrite Beads 420 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

4.300In Stock

Cut Tape

0,172 €

0,117 €

0,101 €

0,091 €

View

Reel

0,046 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Inductor Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 420 OHM 25% Alternate Sizing Guide Below

BLM21BD421SN1D
Murata Electronics
1: 0,129 €
5.365In Stock

Mfr. Part No.
BLM21BD421SN1D

Mouser Part No
81-BLM21BD421SN1D

Murata Electronics

Ferrite Beads 420 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

5.365In 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

Ferrite Chip Beads

Chip Ferrite Bead Single Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

BLM21BD471SH1D
Murata Electronics
1: 0,172 €
965In Stock

Mfr. Part No.
BLM21BD471SH1D

Mouser Part No
81-BLM21BD471SH1D

Murata Electronics

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

965In Stock

Cut Tape

0,172 €

0,117 €

0,101 €

0,091 €

View

Reel

0,04 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Inductor Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

BLM21BD601SH1D
Murata Electronics
1: 0,155 €
14.752In Stock

Mfr. Part No.
BLM21BD601SH1D

Mouser Part No
81-BLM21BD601SH1D

Murata Electronics

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

14.752In Stock

Cut Tape

0,155 €

0,109 €

0,095 €

0,086 €

View

Reel

0,039 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Inductor Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

BLM21PG121SH1D
Murata Electronics
1: 0,138 €
12.976In Stock
22Expected 06/03/2026

Mfr. Part No.
BLM21PG121SH1D

Mouser Part No
81-BLM21PG121SH1D

Murata Electronics

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

12.976In Stock

22Expected 06/03/2026

Cut Tape

0,138 €

0,095 €

0,083 €

0,075 €

View

Reel

0,034 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Inductor Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM21PG220BH1D
Murata Electronics
1: 0,146 €
8.363In Stock

Mfr. Part No.
BLM21PG220BH1D

Mouser Part No
81-BLM21PG220BH1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

8.363In Stock

Cut Tape

0,146 €

0,101 €

0,088 €

0,079 €

View

Reel

0,036 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM21PG220SZ1D
Murata Electronics
1: 0,095 €
8.596In Stock

Mfr. Part No.
BLM21PG220SZ1D

Mouser Part No
81-BLM21PG220SZ1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

8.596In Stock

Cut Tape

0,095 €

0,067 €

0,052 €

0,047 €

Reel

0,024 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Chip Ferrite Bead

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM21PG300BH1D
Murata Electronics
1: 0,146 €
11.151In Stock

Mfr. Part No.
BLM21PG300BH1D

Mouser Part No
81-BLM21PG300BH1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

11.151In Stock

Cut Tape

0,146 €

0,101 €

0,088 €

0,079 €

View

Reel

0,039 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 30 OHM 4A

BLM21PG300SZ1D
Murata Electronics
1: 0,095 €
10.253In Stock

Mfr. Part No.
BLM21PG300SZ1D

Mouser Part No
81-BLM21PG300SZ1D

Murata Electronics

Ferrite Beads 30 OHM 4A

Learn More

Datasheet

10.253In Stock

Cut Tape

0,095 €

0,067 €

0,052 €

0,047 €

Reel

0,024 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Chip Ferrite Bead

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 330 OHM

BLM21PG331BH1D
Murata Electronics
1: 0,146 €
8.936In Stock

Mfr. Part No.
BLM21PG331BH1D

Mouser Part No
81-BLM21PG331BH1D

Murata Electronics

Ferrite Beads 330 OHM

Learn More

Datasheet

8.936In Stock

Cut Tape

0,146 €

0,101 €

0,088 €

0,079 €

View

Reel

0,039 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 60 OHM Alternate Sizing Guide Below

BLM21PG600SZ1D
Murata Electronics
1: 0,095 €
29.956In Stock

Mfr. Part No.
BLM21PG600SZ1D

Mouser Part No
81-BLM21PG600SZ1D

Murata Electronics

Ferrite Beads 60 OHM Alternate Sizing Guide Below

Learn More

Datasheet

29.956In Stock

Cut Tape

0,095 €

0,067 €

0,052 €

0,047 €

Reel

0,024 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Chip Ferrite Bead

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

BLM21RK121SN1D
Murata Electronics
1: 0,129 €
9.943In Stock

Mfr. Part No.
BLM21RK121SN1D

Mouser Part No
81-BLM21RK121SN1D

Murata Electronics

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

9.943In Stock

Cut Tape

0,129 €

0,094 €

0,082 €

0,073 €

View

Reel

0,033 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Single Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

BLM21RK221SN1D
Murata Electronics
1: 0,129 €
14.626In Stock

Mfr. Part No.
BLM21RK221SN1D

Mouser Part No
81-BLM21RK221SN1D

Murata Electronics

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

14.626In 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

Ferrite Chip Beads

Chip Ferrite Bead Single Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 470 OHM Alternate Sizing Guide Below

BLM21RK471SN1D
Murata Electronics
1: 0,129 €
8.000In Stock

Mfr. Part No.
BLM21RK471SN1D

Mouser Part No
81-BLM21RK471SN1D

Murata Electronics

Ferrite Beads 470 OHM Alternate Sizing Guide Below

Learn More

Datasheet

8.000In Stock

Cut Tape

0,129 €

0,089 €

0,075 €

0,068 €

View

Reel

0,033 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

Chip Ferrite Bead Single Type

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

BLM21SN300SH1D
Murata Electronics
1: 0,198 €
11.493In Stock
27.785On Order

Mfr. Part No.
BLM21SN300SH1D

Mouser Part No
81-BLM21SN300SH1D

Murata Electronics

Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below

Learn More

Datasheet

11.493In Stock

27.785On Order

Cut Tape

0,198 €

0,139 €

0,121 €

0,108 €

View

Reel

0,049 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM21SP331BH1D
Murata Electronics
1: 0,318 €
3.717In Stock

Mfr. Part No.
BLM21SP331BH1D

Mouser Part No
81-BLM21SP331BH1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

3.717In Stock

Cut Tape

0,318 €

0,224 €

0,194 €

0,173 €

View

Reel

0,087 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 150 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM21SP471BH1D
Murata Electronics
1: 0,318 €
3.902In Stock
4.000Expected 21/05/2026

Mfr. Part No.
BLM21SP471BH1D

Mouser Part No
81-BLM21SP471BH1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

3.902In Stock

4.000Expected 21/05/2026

Cut Tape

0,318 €

0,224 €

0,194 €

0,173 €

View

Reel

0,087 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 150 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads

BLM21SP471SZ1D
Murata Electronics
1: 0,172 €
6.762In Stock

Mfr. Part No.
BLM21SP471SZ1D

Mouser Part No
81-BLM21SP471SZ1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

6.762In Stock

Cut Tape

0,172 €

0,144 €

0,133 €

0,126 €

View

Reel

0,072 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

Ferrite Beads

Ferrite Chip Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

Ferrite Beads 270 OHM Alternate Sizing Guide Below

BLM31KN271SZ1L
Murata Electronics
1: 0,335 €
4.801In Stock

Mfr. Part No.
BLM31KN271SZ1L

Mouser Part No
81-BLM31KN271SZ1L

Murata Electronics

Ferrite Beads 270 OHM Alternate Sizing Guide Below

Learn More

Datasheet

4.801In Stock

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

Ferrite Chip Beads

- 55 C

+ 125 C

SMD/SMT

Reel, Cut Tape, MouseReel

EMI Noise Suppression

Types of Filters

Customer Service Office

Company

Resources

Support

3 Terminal Low ESL Type
AEC-Q200
Automotive Chip Capacitor Block LC Combined Type Feedthrough Capacitor and Ferrite Beads
Block Type Filter
Chip Capacitor Block LC Combined Type
Chip Ferrite Bead
Chip Ferrite Bead for Automotive
Chip Ferrite Bead Inductor Type
Chip Ferrite Beads Array
Chip Ferrite Bead Single Type
Chip Noise Filter
Common Mode Choke Coil
Common Mode Choke Coil Film Type
Common Mode Choke Coil Film Type (Array)
Common Mode Choke Coil for Automotive
Common Mode Choke for Automotive Power Line
Common Mode Choke Noise Filter
Differential Signal Line Filter
Film
General Purpose Low ESL Capacitor