Filters – 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 120 OHM 100 MHZ 25%

BLM21AG121BH1D
Murata Electronics
1: €0.172
9,831In Stock

Mfr. Part No.
BLM21AG121BH1D

Mouser Part No
81-BLM21AG121BH1D

Murata Electronics

Ferrite Beads 120 OHM 100 MHZ 25%

Learn More

Datasheet

9,831In Stock

Cut Tape

€0.172

€0.123

€0.107

€0.095

View

Reel

€0.043

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

BLM21AG221SZ1D
Murata Electronics
1: €0.155
1,650In Stock
4,000Expected 29/06/2026

Mfr. Part No.
BLM21AG221SZ1D

Mouser Part No
81-BLM21AG221SZ1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

1,650In Stock

4,000Expected 29/06/2026

Cut Tape

€0.155

€0.11

€0.096

€0.086

View

Reel

€0.038

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

BLM21AG331SN1D
Murata Electronics
1: €0.129
9,905In Stock

Mfr. Part No.
BLM21AG331SN1D

Mouser Part No
81-BLM21AG331SN1

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

9,905In Stock

Cut Tape

€0.129

€0.087

€0.076

€0.069

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

BLM21AG471BH1D
Murata Electronics
1: €0.172
4,981In Stock
8,000Expected 02/06/2026

Mfr. Part No.
BLM21AG471BH1D

Mouser Part No
81-BLM21AG471BH1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

4,981In Stock

8,000Expected 02/06/2026

Cut Tape

€0.172

€0.123

€0.107

€0.095

View

Reel

€0.046

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 470 OHM 25% Alternate Sizing Guide Below

BLM21AG471SN1D
Murata Electronics
1: €0.129
25,146In Stock
12,000Expected 19/05/2026

Mfr. Part No.
BLM21AG471SN1D

Mouser Part No
81-BLM21AG471SN1D

Murata Electronics

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

25,146In Stock

12,000Expected 19/05/2026

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 600 OHM 25%

BLM21AG601BH1D
Murata Electronics
1: €0.172
12,920In Stock
8,000Expected 19/05/2026

Mfr. Part No.
BLM21AG601BH1D

Mouser Part No
81-BLM21AG601BH1D

Murata Electronics

Ferrite Beads 600 OHM 25%

Learn More

Datasheet

12,920In Stock

8,000Expected 19/05/2026

Cut Tape

€0.172

€0.123

€0.107

€0.095

View

Reel

€0.046

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 600 OHM 700MA Alternate Sizing Guide Below

BLM21AG601SZ1D
Murata Electronics
1: €0.155
6,305In Stock
8,000Expected 19/05/2026

Mfr. Part No.
BLM21AG601SZ1D

Mouser Part No
81-BLM21AG601SZ1D

Murata Electronics

Ferrite Beads 600 OHM 700MA Alternate Sizing Guide Below

Learn More

Datasheet

6,305In Stock

8,000Expected 19/05/2026

Cut Tape

€0.155

€0.11

€0.096

€0.086

View

Reel

€0.038

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 5 OHM 25% Alternate Sizing Guide Below

BLM21BB050SN1D
Murata Electronics
1: €0.12
1,190In Stock
24,000On Order

Mfr. Part No.
BLM21BB050SN1D

Mouser Part No
81-BLM21B050S

Murata Electronics

Ferrite Beads 5 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

1,190In Stock

24,000On Order

Cut Tape

€0.12

€0.083

€0.081

€0.072

View

Reel

€0.031

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 120 OHM 25% Alternate Sizing Guide Below

BLM21BB121SN1D
Murata Electronics
1: €0.129
6,642In Stock
12,000On Order

Mfr. Part No.
BLM21BB121SN1D

Mouser Part No
81-BLM21B121S

Murata Electronics

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

6,642In Stock

12,000On Order

Cut Tape

€0.129

€0.09

€0.079

€0.071

View

Reel

€0.031

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 200 OHM 25% Alternate Sizing Guide Below

BLM21BB201SN1D
Murata Electronics
1: €0.129
46In Stock
20,000On Order

Mfr. Part No.
BLM21BB201SN1D

Mouser Part No
81-BLM21B201S

Murata Electronics

Ferrite Beads 200 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

46In Stock

20,000On Order

Cut Tape

€0.129

€0.09

€0.079

€0.071

View

Reel

€0.032

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 600 OHM 25% Alternate Sizing Guide Below

BLM21BD601SN1D
Murata Electronics
1: €0.146
25,711In Stock
40,000Expected 30/06/2026

Mfr. Part No.
BLM21BD601SN1D

Mouser Part No
81-BLM21B601S

Murata Electronics

Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

25,711In Stock

40,000Expected 30/06/2026

Cut Tape

€0.146

€0.097

€0.084

€0.077

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 5 OHM 1000MA Alternate Sizing Guide Below

BLM21BB050SZ1D
Murata Electronics
1: €0.146
5,681In Stock
4,000Expected 01/04/2026

Mfr. Part No.
BLM21BB050SZ1D

Mouser Part No
81-BLM21BB050SZ1D

Murata Electronics

Ferrite Beads 5 OHM 1000MA Alternate Sizing Guide Below

Learn More

Datasheet

5,681In Stock

4,000Expected 01/04/2026

Cut Tape

€0.146

€0.101

€0.088

€0.078

View

Reel

€0.038

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

BLM21BB151SZ1D
Murata Electronics
1: €0.155
3,996In Stock

Mfr. Part No.
BLM21BB151SZ1D

Mouser Part No
81-BLM21BB151SZ1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

3,996In Stock

Cut Tape

€0.155

€0.102

€0.089

€0.079

View

Reel

€0.034

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 330 OHM 25% Alternate Sizing Guide Below

BLM21BB331SN1D
Murata Electronics
1: €0.129
1,924In Stock
20,000Expected 21/05/2026

Mfr. Part No.
BLM21BB331SN1D

Mouser Part No
81-BLM21BB331SN1D

Murata Electronics

Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

1,924In Stock

20,000Expected 21/05/2026

Cut Tape

€0.129

€0.09

€0.079

€0.071

View

Reel

€0.032

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 60 OHM 25% Alternate Sizing Guide Below

BLM21BB600SN1D
Murata Electronics
1: €0.12
16,001In Stock

Mfr. Part No.
BLM21BB600SN1D

Mouser Part No
81-BLM21BB600SN1D

Murata Electronics

Ferrite Beads 60 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

16,001In Stock

Cut Tape

€0.12

€0.083

€0.072

€0.065

View

Reel

€0.032

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 120 OHM 25% Alternate Sizing Guide Below

BLM21BD121SN1D
Murata Electronics
1: €0.129
15,058In Stock
20,000Expected 29/06/2026

Mfr. Part No.
BLM21BD121SN1D

Mouser Part No
81-BLM21BD121SN1D

Murata Electronics

Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

15,058In Stock

20,000Expected 29/06/2026

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 1500 OHM 25% Alternate Sizing Guide Below

BLM21BD152SN1D
Murata Electronics
1: €0.172
24,375In Stock
40,000Expected 19/05/2026

Mfr. Part No.
BLM21BD152SN1D

Mouser Part No
81-BLM21BD152SN1D

Murata Electronics

Ferrite Beads 1500 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

24,375In Stock

40,000Expected 19/05/2026

Cut Tape

€0.172

€0.123

€0.107

€0.095

View

Reel

€0.043

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

BLM21BD221SN1D
Murata Electronics
1: €0.129
470In Stock
12,000Expected 19/05/2026

Mfr. Part No.
BLM21BD221SN1D

Mouser Part No
81-BLM21BD221SN1D

Murata Electronics

Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

470In Stock

12,000Expected 19/05/2026

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 2700 OHM 25% Alternate Sizing Guide Below

BLM21BD272SH1L
Murata Electronics
1: €0.206
6,970In Stock
30,000On Order

Mfr. Part No.
BLM21BD272SH1L

Mouser Part No
81-BLM21BD272SH1L

Murata Electronics

Ferrite Beads 2700 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

6,970In Stock

30,000On Order

Cut Tape

€0.206

€0.144

€0.126

€0.113

View

Reel

€0.053

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

BLM21BD272SZ1L
Murata Electronics
1: €0.189
4,331In Stock
9,000On Order

Mfr. Part No.
BLM21BD272SZ1L

Mouser Part No
81-BLM21BD272SZ1L

Murata Electronics

Ferrite Beads

Learn More

Datasheet

4,331In Stock

9,000On Order

Cut Tape

€0.189

€0.136

€0.119

€0.106

View

Reel

€0.048

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 470 OHM 25% Alternate Sizing Guide Below

BLM21BD471SN1D
Murata Electronics
1: €0.138
9,353In Stock

Mfr. Part No.
BLM21BD471SN1D

Mouser Part No
81-BLM21BD471SN1D

Murata Electronics

Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

9,353In 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

BLM21BD601SZ1D
Murata Electronics
1: €0.155
2,918In Stock

Mfr. Part No.
BLM21BD601SZ1D

Mouser Part No
81-BLM21BD601SZ1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

2,918In Stock

Cut Tape

€0.155

€0.106

€0.091

€0.082

View

Reel

€0.036

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

BLM21PG121BH1D
Murata Electronics
1: €0.146
10,848In Stock

Mfr. Part No.
BLM21PG121BH1D

Mouser Part No
81-BLM21PG121BH1D

Murata Electronics

Ferrite Beads

Learn More

Datasheet

10,848In 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 120 OHM 25%

BLM21PG121SZ1D
Murata Electronics
1: €0.095
4,676In Stock
8,000Expected 04/06/2026

Mfr. Part No.
BLM21PG121SZ1D

Mouser Part No
81-BLM21PG121SZ1D

Murata Electronics

Ferrite Beads 120 OHM 25%

Learn More

Datasheet

4,676In Stock

8,000Expected 04/06/2026

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 22 OHM 25% Alternate Sizing Guide Below

BLM21PG220SH1D
Murata Electronics
1: €0.138
12,398In Stock
20,000Expected 15/06/2026

Mfr. Part No.
BLM21PG220SH1D

Mouser Part No
81-BLM21PG220SH1D

Murata Electronics

Ferrite Beads 22 OHM 25% Alternate Sizing Guide Below

Learn More

Datasheet

12,398In Stock

20,000Expected 15/06/2026

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

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