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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 1000 OHM 25% Alternate Sizing Guide Below BLM15HG102SN1D Murata Electronics 1: 0,172 € 597 432In Stock	Mfr. Part No. BLM15HG102SN1D Mouser Part No 81-BLM15HG102SN1D	Murata Electronics	Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	597 432In Stock	Cut Tape 0,172 € 0,121 € 0,095 € 0,084 € View Reel 0,04 € 0,072 € 0,064 € 0,056 € 0,048 € 0,04 € MouseReel Available	Min.: 1 Mult.: 1 : 10 000
Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below BLM15PD121SN1D Murata Electronics 1: 0,095 € 1 625 795In Stock	Mfr. Part No. BLM15PD121SN1D Mouser Part No 81-BLM15PD121SN1D	Murata Electronics	Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	1 625 795In Stock	Cut Tape 0,095 € 0,068 € 0,053 € 0,048 € View Reel 0,021 € 0,041 € 0,037 € 0,033 € 0,025 € 0,021 € MouseReel Available	Min.: 1 Mult.: 1 : 10 000
Ferrite Beads 33 OHM 25% Alternate Sizing Guide Below BLM15PX330SN1D Murata Electronics 1: 0,12 € 408 550In Stock	Mfr. Part No. BLM15PX330SN1D Mouser Part No 81-BLM15PX330SN1D	Murata Electronics	Ferrite Beads 33 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	408 550In Stock	Cut Tape 0,12 € 0,087 € 0,068 € 0,061 € View Reel 0,027 € 0,052 € 0,046 € 0,041 € 0,033 € 0,027 € MouseReel Available	Min.: 1 Mult.: 1 : 10 000
Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below BLM18EG221SN1D Murata Electronics 1: 0,327 € 281 226In Stock 1 180 000On Order	Mfr. Part No. BLM18EG221SN1D Mouser Part No 81-BLM18EG221SN1D	Murata Electronics	Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	281 226In Stock 1 180 000On Order On Order Ship Dates Mfr. No: BLM18EG221SN1D Stock: 281 226 Can Dispatch Immediately On Order: 580 000 Expected 08/12/2026 600 000 Expected 10/02/2027 Factory Lead Time: 17 Weeks	Cut Tape 0,327 € 0,232 € 0,18 € 0,16 € View Reel 0,087 € 0,137 € 0,12 € 0,105 € 0,087 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below BLM18GG471SN1D Murata Electronics 1: 0,378 € 111 182In Stock	Mfr. Part No. BLM18GG471SN1D Mouser Part No 81-BLM18GG471SN1D	Murata Electronics	Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	111 182In Stock	Cut Tape 0,378 € 0,267 € 0,206 € 0,178 € View Reel 0,101 € 0,154 € 0,137 € 0,12 € 0,101 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 1500 OHM 25% Alternate Sizing Guide Below BLM18HE152SN1D Murata Electronics 1: 0,284 € 230 380In Stock 160 000Expected 04/01/2027	Mfr. Part No. BLM18HE152SN1D Mouser Part No 81-BLM18HE152SN1D	Murata Electronics	Ferrite Beads 1500 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	230 380In Stock 160 000Expected 04/01/2027	Cut Tape 0,284 € 0,196 € 0,157 € 0,132 € View Reel 0,079 € 0,114 € 0,101 € 0,09 € 0,079 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 1500 OHM 25% INFOTAI NMENT Alternate Sizing Guide Below BLM18HE152SZ1D Murata Electronics 1: 0,335 € 171 680In Stock	Mfr. Part No. BLM18HE152SZ1D Mouser Part No 81-BLM18HE152SZ1D	Murata Electronics	Ferrite Beads 1500 OHM 25% INFOTAI NMENT Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	171 680In Stock	Cut Tape 0,335 € 0,233 € 0,181 € 0,161 € View Reel 0,087 € 0,137 € 0,12 € 0,105 € 0,087 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM18KG102SZ1D Murata Electronics 1: 0,129 € 447 848In Stock	Mfr. Part No. BLM18KG102SZ1D Mouser Part No 81-BLM18KG102SZ1D	Murata Electronics	Ferrite Beads 1000 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	447 848In Stock	Cut Tape 0,129 € 0,088 € 0,07 € 0,061 € View Reel 0,029 € 0,052 € 0,046 € 0,041 € 0,029 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below BLM18KG121TN1D Murata Electronics 1: 0,129 € 485 413In Stock 500 000Expected 17/03/2027	Mfr. Part No. BLM18KG121TN1D Mouser Part No 81-BLM18KG121TN1D	Murata Electronics	Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	485 413In Stock 500 000Expected 17/03/2027	Cut Tape 0,129 € 0,092 € 0,072 € 0,065 € Reel 0,031 € View 0,055 € 0,049 € 0,044 € 0,028 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 600 OHM 1.3A DCR=.15 OHM Alternate Sizing Guide Below BLM18KG601SH1D Murata Electronics 1: 0,12 € 413 473In Stock	Mfr. Part No. BLM18KG601SH1D Mouser Part No 81-BLM18KG601SH1D	Murata Electronics	Ferrite Beads 600 OHM 1.3A DCR=.15 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	413 473In Stock	Cut Tape 0,12 € 0,082 € 0,068 € 0,064 € Reel 0,032 € View 0,054 € 0,048 € 0,043 € 0,03 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below BLM18PG121SN1D Murata Electronics 1: 0,12 € 1 410 169In Stock	Mfr. Part No. BLM18PG121SN1D Mouser Part No 81-BLM18PG121SN1D	Murata Electronics	Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	1 410 169In Stock	Cut Tape 0,12 € 0,083 € 0,065 € 0,058 € View Reel 0,028 € 0,051 € 0,045 € 0,038 € 0,028 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 180 OHM 25% Alternate Sizing Guide Below BLM18PG181SN1D Murata Electronics 1: 0,12 € 500 652In Stock	Mfr. Part No. BLM18PG181SN1D Mouser Part No 81-BLM18PG181SN1D	Murata Electronics	Ferrite Beads 180 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	500 652In Stock	Cut Tape 0,12 € 0,083 € 0,065 € 0,058 € Reel 0,028 € View 0,051 € 0,045 € 0,04 € 0,026 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below BLM18PG471SN1D Murata Electronics 1: 0,12 € 767 610In Stock 1 140 000On Order	Mfr. Part No. BLM18PG471SN1D Mouser Part No 81-BLM18PG471SN1D	Murata Electronics	Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	767 610In Stock 1 140 000On Order On Order Ship Dates Mfr. No: BLM18PG471SN1D Stock: 767 610 Can Dispatch Immediately On Order: 560 000 Expected 11/11/2026 580 000 Expected 05/04/2027 Factory Lead Time: 22 Weeks	Cut Tape 0,12 € 0,083 € 0,065 € 0,058 € View Reel 0,028 € 0,051 € 0,045 € 0,038 € 0,028 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below BLM21AG601SN1D Murata Electronics 1: 0,224 € 264 367In Stock 160 000Expected 15/01/2027	Mfr. Part No. BLM21AG601SN1D Mouser Part No 81-BLM21A601F	Murata Electronics	Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	264 367In Stock 160 000Expected 15/01/2027	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 120 OHM 25% Alternate Sizing Guide Below BLM21AG121SN1D Murata Electronics 1: 0,224 € 411 152In Stock 260 000Expected 12/11/2026	Mfr. Part No. BLM21AG121SN1D Mouser Part No 81-BLM21AG121SN1D	Murata Electronics	Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	411 152In Stock 260 000Expected 12/11/2026	Cut Tape 0,224 € 0,156 € 0,121 € 0,107 € View Reel 0,055 € 0,091 € 0,082 € 0,068 € 0,055 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below BLM21BD102SN1D Murata Electronics 1: 0,224 € 343 305In Stock	Mfr. Part No. BLM21BD102SN1D Mouser Part No 81-BLM21B102S	Murata Electronics	Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	343 305In 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 220 OHM 25% Alternate Sizing Guide Below BLM21PG221SN1D Murata Electronics 1: 0,155 € 1 847 499In Stock 1 180 000Expected 18/11/2026	Mfr. Part No. BLM21PG221SN1D Mouser Part No 81-BLM21P221SG	Murata Electronics	Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	1 847 499In Stock 1 180 000Expected 18/11/2026	Cut Tape 0,155 € 0,108 € 0,085 € 0,073 € Reel 0,037 € View 0,063 € 0,056 € 0,048 € 0,036 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 60 OHM 25% Alternate Sizing Guide Below BLM21PG600SN1D Murata Electronics 1: 0,155 € 399 656In Stock 280 000Expected 11/12/2026	Mfr. Part No. BLM21PG600SN1D Mouser Part No 81-BLM21P600S	Murata Electronics	Ferrite Beads 60 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	399 656In Stock 280 000Expected 11/12/2026	Cut Tape 0,155 € 0,109 € 0,085 € 0,077 € Reel 0,037 € View 0,065 € 0,058 € 0,051 € 0,036 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 22 OHM 25% Alternate Sizing Guide Below BLM21PG220SN1D Murata Electronics 1: 0,155 € 595 525In Stock	Mfr. Part No. BLM21PG220SN1D Mouser Part No 81-BLM21PG220SN1D	Murata Electronics	Ferrite Beads 22 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	595 525In Stock	Cut Tape 0,155 € 0,109 € 0,085 € 0,077 € Reel 0,037 € View 0,065 € 0,058 € 0,049 € 0,036 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below BLM21RK102SN1D Murata Electronics 1: 0,232 € 259 570In Stock	Mfr. Part No. BLM21RK102SN1D Mouser Part No 81-BLM21RK102SN1D	Murata Electronics	Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	259 570In Stock	Cut Tape 0,232 € 0,164 € 0,127 € 0,114 € Reel 0,054 € View 0,097 € 0,086 € 0,076 € 0,053 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM21SP102SN1D Murata Electronics 1: 0,421 € 145 824In Stock	Mfr. Part No. BLM21SP102SN1D Mouser Part No 81-BLM21SP102SN1D	Murata Electronics	Ferrite Beads 1000 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	145 824In Stock	Cut Tape 0,421 € 0,292 € 0,255 € 0,227 € View Reel 0,116 € 0,20 € 0,17 € 0,142 € 0,127 € 0,116 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 180 OHM 25% BLM21SP181SN1D Murata Electronics 1: 0,43 € 115 800In Stock	Mfr. Part No. BLM21SP181SN1D Mouser Part No 81-BLM21SP181SN1D	Murata Electronics	Ferrite Beads 180 OHM 25% Learn More about Murata Electronics murata blm emi filter	Datasheet	115 800In Stock	Cut Tape 0,43 € 0,292 € 0,255 € 0,227 € View Reel 0,126 € 0,20 € 0,17 € 0,15 € 0,136 € 0,126 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 600 OHM 125C 1.5A Alternate Sizing Guide Below BLM21SP601SH1D Murata Electronics 1: 0,456 € 96 322In Stock 180 000Expected 08/03/2027	Mfr. Part No. BLM21SP601SH1D Mouser Part No 81-BLM21SP601SH1D	Murata Electronics	Ferrite Beads 600 OHM 125C 1.5A Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	96 322In Stock 180 000Expected 08/03/2027	Cut Tape 0,456 € 0,321 € 0,279 € 0,241 € View Reel 0,127 € 0,215 € 0,185 € 0,163 € 0,15 € 0,127 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Ferrite Beads 50 OHM 25% Alternate Sizing Guide Below BLM31PG500SN1L Murata Electronics 1: 0,275 € 154 180In Stock 120 000Expected 21/01/2027	Mfr. Part No. BLM31PG500SN1L Mouser Part No 81-BLM31P500S	Murata Electronics	Ferrite Beads 50 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	154 180In Stock 120 000Expected 21/01/2027	Cut Tape 0,275 € 0,194 € 0,168 € 0,151 € View Reel 0,118 € 0,134 € 0,118 € 0,118 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below BLM31PG121SN1L Murata Electronics 1: 0,43 € 298 411In Stock	Mfr. Part No. BLM31PG121SN1L Mouser Part No 81-BLM31PG121SN1L	Murata Electronics	Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	298 411In Stock	Cut Tape 0,43 € 0,301 € 0,262 € 0,234 € View Reel 0,118 € 0,206 € 0,175 € 0,15 € 0,138 € 0,118 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000

EMI Noise Suppression

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EMI Noise Suppression

Types of Passive Components