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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Ferrite Beads FB SMD 0603inch 600o hm INFOTMT Alternate Sizing Guide Below BLM18SP601SZ1D Murata Electronics 1: 0,318 € 30 510In Stock	Mfr. Part No. BLM18SP601SZ1D Mouser Part No 81-BLM18SP601SZ1D	Murata Electronics	Ferrite Beads FB SMD 0603inch 600o hm INFOTMT Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	30 510In Stock	Cut Tape 0,318 € 0,253 € 0,195 € 0,174 € View Reel 0,095 € 0,148 € 0,13 € 0,114 € 0,095 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 1000 OHM BLM21AG102BH1D Murata Electronics 1: 0,292 € 35 894In Stock 68 000On Order	Mfr. Part No. BLM21AG102BH1D Mouser Part No 81-BLM21AG102BH1D	Murata Electronics	Ferrite Beads 1000 OHM Learn More about Murata Electronics murata blm powertrain safety	Datasheet	35 894In Stock 68 000On Order On Order Ship Dates Mfr. No: BLM21AG102BH1D Stock: 35 894 Can Dispatch Immediately On Order: 28 000 Expected 11/12/2026 40 000 Expected 07/01/2027 Factory Lead Time: 20 Weeks	Cut Tape 0,292 € 0,203 € 0,157 € 0,14 € View Reel 0,074 € 0,12 € 0,106 € 0,092 € 0,074 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below BLM21AG102SH1D Murata Electronics 1: 0,258 € 112 986In Stock	Mfr. Part No. BLM21AG102SH1D Mouser Part No 81-BLM21AG102SH1D	Murata Electronics	Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	112 986In Stock	Cut Tape 0,258 € 0,182 € 0,14 € 0,126 € View Reel 0,065 € 0,108 € 0,095 € 0,083 € 0,065 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below BLM21AG102SN1D Murata Electronics 1: 0,224 € 177 770In Stock 355 800On Order	Mfr. Part No. BLM21AG102SN1D Mouser Part No 81-BLM21AG102SN1	Murata Electronics	Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	177 770In Stock 355 800On Order On Order Ship Dates Mfr. No: BLM21AG102SN1D Stock: 177 770 Can Dispatch Immediately On Order: 155 800 Expected 17/11/2026 200 000 Expected 04/01/2027 Factory Lead Time: 20 Weeks	Cut Tape 0,224 € 0,157 € 0,128 € 0,109 € Reel 0,056 € View 0,095 € 0,085 € 0,076 € 0,055 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below BLM21AG121SH1D Murata Electronics 1: 0,258 € 27 951In Stock	Mfr. Part No. BLM21AG121SH1D Mouser Part No 81-BLM21AG121SH1D	Murata Electronics	Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	27 951In Stock	Cut Tape 0,258 € 0,182 € 0,142 € 0,126 € View Reel 0,065 € 0,108 € 0,095 € 0,083 € 0,065 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 150 OHM 25% Alternate Sizing Guide Below BLM21AG151SN1D Murata Electronics 1: 0,232 € 42 637In Stock 36 000Expected 06/05/2027	Mfr. Part No. BLM21AG151SN1D Mouser Part No 81-BLM21AG151SN1D	Murata Electronics	Ferrite Beads 150 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	42 637In Stock 36 000Expected 06/05/2027	Cut Tape 0,232 € 0,165 € 0,128 € 0,114 € View Reel 0,055 € 0,098 € 0,087 € 0,071 € 0,055 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below BLM21AG221SN1D Murata Electronics 1: 0,224 € 61 854In Stock	Mfr. Part No. BLM21AG221SN1D Mouser Part No 81-BLM21AG221SN1D	Murata Electronics	Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	61 854In Stock	Cut Tape 0,224 € 0,156 € 0,121 € 0,108 € Reel 0,057 € View 0,088 € 0,078 € 0,07 € 0,055 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads BLM21AG221SZ1D Murata Electronics 1: 0,258 € 27 552In Stock	Mfr. Part No. BLM21AG221SZ1D Mouser Part No 81-BLM21AG221SZ1D	Murata Electronics	Ferrite Beads Learn More about Murata Electronics murata blm powertrain safety	Datasheet	27 552In Stock	Cut Tape 0,258 € 0,179 € 0,139 € 0,124 € Reel 0,075 € View 0,106 € 0,094 € 0,082 € 0,065 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads BLM21AG471BH1D Murata Electronics 1: 0,301 € 27 770In Stock	Mfr. Part No. BLM21AG471BH1D Mouser Part No 81-BLM21AG471BH1D	Murata Electronics	Ferrite Beads Learn More about Murata Electronics murata blm powertrain safety	Datasheet	27 770In Stock	Cut Tape 0,301 € 0,212 € 0,183 € 0,146 € Reel 0,085 € View 0,125 € 0,11 € 0,096 € 0,075 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 12 000 : 4 000
Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below BLM21AG471SN1D Murata Electronics 1: 0,224 € 41 003In Stock 24 000Expected 16/03/2027	Mfr. Part No. BLM21AG471SN1D Mouser Part No 81-BLM21AG471SN1D	Murata Electronics	Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	41 003In Stock 24 000Expected 16/03/2027	Cut Tape 0,224 € 0,156 € 0,121 € 0,108 € View Reel 0,055 € 0,093 € 0,078 € 0,07 € 0,055 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 600 OHM 25% BLM21AG601BH1D Murata Electronics 1: 0,292 € 48 088In Stock	Mfr. Part No. BLM21AG601BH1D Mouser Part No 81-BLM21AG601BH1D	Murata Electronics	Ferrite Beads 600 OHM 25% Learn More about Murata Electronics murata blm powertrain safety	Datasheet	48 088In Stock	Cut Tape 0,292 € 0,203 € 0,157 € 0,14 € Reel 0,085 € View 0,12 € 0,106 € 0,092 € 0,075 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 600 OHM 700MA Alternate Sizing Guide Below BLM21AG601SZ1D Murata Electronics 1: 0,215 € 30 367In Stock	Mfr. Part No. BLM21AG601SZ1D Mouser Part No 81-BLM21AG601SZ1D	Murata Electronics	Ferrite Beads 600 OHM 700MA Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	30 367In Stock	Cut Tape 0,215 € 0,179 € 0,139 € 0,124 € View Reel 0,064 € 0,106 € 0,094 € 0,082 € 0,064 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 200 OHM 25% Alternate Sizing Guide Below BLM21BB201SN1D Murata Electronics 1: 0,138 € 60 510In Stock	Mfr. Part No. BLM21BB201SN1D Mouser Part No 81-BLM21B201S	Murata Electronics	Ferrite Beads 200 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	60 510In Stock	Cut Tape 0,138 € 0,095 € 0,074 € 0,066 € View Reel 0,052 € 0,057 € 0,052 € 0,052 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below BLM21BB221SN1D Murata Electronics 1: 0,215 € 115 068In Stock	Mfr. Part No. BLM21BB221SN1D Mouser Part No 81-BLM21B221S	Murata Electronics	Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	115 068In Stock	Cut Tape 0,215 € 0,15 € 0,116 € 0,104 € View Reel 0,052 € 0,089 € 0,075 € 0,066 € 0,052 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 2200 OHM 25% Alternate Sizing Guide Below BLM21BD222SN1L Murata Electronics 1: 0,181 € 64 337In Stock	Mfr. Part No. BLM21BD222SN1L Mouser Part No 81-BLM21B222S	Murata Electronics	Ferrite Beads 2200 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	64 337In Stock	Cut Tape 0,181 € 0,129 € 0,101 € 0,089 € View Reel 0,074 € 0,077 € 0,074 € 0,074 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below BLM21BD601SN1D Murata Electronics 1: 0,224 € 123 659In Stock 80 000Expected 18/11/2026	Mfr. Part No. BLM21BD601SN1D Mouser Part No 81-BLM21B601S	Murata Electronics	Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	123 659In Stock 80 000Expected 18/11/2026	Cut Tape 0,224 € 0,156 € 0,121 € 0,108 € View Reel 0,055 € 0,093 € 0,082 € 0,071 € 0,055 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 75 OHM 25% Alternate Sizing Guide Below BLM21BB750SN1D Murata Electronics 1: 0,215 € 40 966In Stock	Mfr. Part No. BLM21BB750SN1D Mouser Part No 81-BLM21B750S	Murata Electronics	Ferrite Beads 75 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	40 966In Stock	Cut Tape 0,215 € 0,15 € 0,116 € 0,104 € View Reel 0,052 € 0,089 € 0,078 € 0,066 € 0,052 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 60 OHM 25% Alternate Sizing Guide Below BLM21BB600SN1D Murata Electronics 1: 0,215 € 38 245In Stock	Mfr. Part No. BLM21BB600SN1D Mouser Part No 81-BLM21BB600SN1D	Murata Electronics	Ferrite Beads 60 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	38 245In Stock	Cut Tape 0,215 € 0,15 € 0,114 € 0,097 € View Reel 0,052 € 0,083 € 0,075 € 0,066 € 0,052 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 4 000 : 4 000
Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below BLM21BD121SN1D Murata Electronics 1: 0,232 € 36 575In Stock 48 000Expected 21/01/2027	Mfr. Part No. BLM21BD121SN1D Mouser Part No 81-BLM21BD121SN1D	Murata Electronics	Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	36 575In Stock 48 000Expected 21/01/2027	Cut Tape 0,232 € 0,165 € 0,128 € 0,114 € View Reel 0,055 € 0,098 € 0,087 € 0,071 € 0,055 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 1500 OHM 25% Alternate Sizing Guide Below BLM21BD152SN1D Murata Electronics 1: 0,292 € 28 153In Stock 40 000Expected 11/12/2026	Mfr. Part No. BLM21BD152SN1D Mouser Part No 81-BLM21BD152SN1D	Murata Electronics	Ferrite Beads 1500 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	28 153In Stock 40 000Expected 11/12/2026	Cut Tape 0,292 € 0,203 € 0,157 € 0,14 € View Reel 0,074 € 0,12 € 0,106 € 0,092 € 0,074 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 1800 OHM 25% Alternate Sizing Guide Below BLM21BD182SH1D Murata Electronics 1: 0,232 € 32 003In Stock	Mfr. Part No. BLM21BD182SH1D Mouser Part No 81-BLM21BD182SH1D	Murata Electronics	Ferrite Beads 1800 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	32 003In Stock	Cut Tape 0,232 € 0,162 € 0,126 € 0,112 € View Reel 0,09 € 0,095 € 0,09 € 0,09 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 2700 OHM 25% Alternate Sizing Guide Below BLM21BD272SH1L Murata Electronics 1: 0,344 € 68 711In Stock	Mfr. Part No. BLM21BD272SH1L Mouser Part No 81-BLM21BD272SH1L	Murata Electronics	Ferrite Beads 2700 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	68 711In Stock	Cut Tape 0,344 € 0,24 € 0,186 € 0,165 € View Reel 0,09 € 0,14 € 0,123 € 0,09 € 0,09 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Ferrite Beads 2700 OHM 25% Alternate Sizing Guide Below BLM21BD272SN1L Murata Electronics 1: 0,292 € 84 390In Stock 60 000Expected 19/01/2027	Mfr. Part No. BLM21BD272SN1L Mouser Part No 81-BLM21BD272SN1L	Murata Electronics	Ferrite Beads 2700 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	84 390In Stock 60 000Expected 19/01/2027	Cut Tape 0,292 € 0,203 € 0,157 € 0,127 € View Reel 0,074 € 0,111 € 0,099 € 0,074 € 0,074 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below BLM21BD471SN1D Murata Electronics 1: 0,224 € 21 052In Stock	Mfr. Part No. BLM21BD471SN1D Mouser Part No 81-BLM21BD471SN1D	Murata Electronics	Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	21 052In Stock	Cut Tape 0,224 € 0,156 € 0,121 € 0,108 € View Reel 0,055 € 0,093 € 0,082 € 0,071 € 0,055 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 30 OHM 25% Alternate Sizing Guide Below BLM21PG300SN1D Murata Electronics 1: 0,155 € 99 588In Stock 400 000On Order	Mfr. Part No. BLM21PG300SN1D Mouser Part No 81-BLM21P300S	Murata Electronics	Ferrite Beads 30 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	99 588In Stock 400 000On Order On Order Ship Dates Mfr. No: BLM21PG300SN1D Stock: 99 588 Can Dispatch Immediately On Order: 160 000 Expected 17/11/2026 240 000 Expected 10/05/2027 Factory Lead Time: 20 Weeks	Cut Tape 0,155 € 0,108 € 0,085 € 0,073 € Reel 0,037 € View 0,063 € 0,056 € 0,05 € 0,036 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000

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EMI Noise Suppression

Types of Passive Components