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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 470 OHM 25% Alternate Sizing Guide Below BLM41PG471SN1L Murata Electronics 1: 0,55 € 12 790In Stock 30 000Expected 14/01/2027	Mfr. Part No. BLM41PG471SN1L Mouser Part No 81-BLM41PG471SN1L	Murata Electronics	Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	12 790In Stock 30 000Expected 14/01/2027	Cut Tape 0,55 € 0,393 € 0,346 € 0,31 € View Reel 0,177 € 0,278 € 0,238 € 0,211 € 0,204 € 0,177 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500
Ferrite Beads 60 OHM 25% Alternate Sizing Guide Below BLM41PG600SH1L Murata Electronics 1: 0,748 € 14 955In Stock 10 000Expected 21/12/2026	Mfr. Part No. BLM41PG600SH1L Mouser Part No 81-BLM41PG600SH1L	Murata Electronics	Ferrite Beads 60 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	14 955In Stock 10 000Expected 21/12/2026	Cut Tape 0,748 € 0,525 € 0,461 € 0,41 € View Reel 0,22 € 0,363 € 0,307 € 0,267 € 0,255 € 0,22 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500
Ferrite Beads 60 OHM 3700MA Alternate Sizing Guide Below BLM41PG600SZ1L Murata Electronics 1: 0,697 € 11 611In Stock	Mfr. Part No. BLM41PG600SZ1L Mouser Part No 81-BLM41PG600SZ1L	Murata Electronics	Ferrite Beads 60 OHM 3700MA Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	11 611In Stock	Cut Tape 0,697 € 0,486 € 0,419 € 0,372 € View Reel 0,205 € 0,33 € 0,278 € 0,243 € 0,242 € 0,205 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500
Common Mode Chokes / Filters 12 OHM 100MHZ DLM0NSB120HY2D Murata Electronics 1: 0,103 € 34 900In Stock	Mfr. Part No. DLM0NSB120HY2D Mouser Part No 81-DLM0NSB120HY2D	Murata Electronics	Common Mode Chokes / Filters 12 OHM 100MHZ Learn More about Murata Electronics murata dk1 y1 smd capacitors	Datasheet	34 900In Stock	Cut Tape 0,103 € 0,082 € 0,071 € 0,068 € View Reel 0,044 € 0,059 € 0,056 € 0,052 € 0,051 € 0,044 € MouseReel Available	Min.: 1 Mult.: 1 : 10 000
Common Mode Chokes / Filters 28 OHM DLM0NSB280HY2D Murata Electronics 1: 0,103 € 71 199In Stock	Mfr. Part No. DLM0NSB280HY2D Mouser Part No 81-DLM0NSB280HY2D	Murata Electronics	Common Mode Chokes / Filters 28 OHM Learn More about Murata Electronics murata dk1 y1 smd capacitors	Datasheet	71 199In Stock	Cut Tape 0,103 € 0,082 € 0,071 € 0,068 € View Reel 0,045 € 0,059 € 0,056 € 0,052 € 0,051 € 0,045 € MouseReel Available	Min.: 1 Mult.: 1 : 10 000
Common Mode Chokes / Filters 90 OHM DLM0NSM900HY2D Murata Electronics 1: 0,086 € 242 133In Stock 160 000Expected 07/01/2027	Mfr. Part No. DLM0NSM900HY2D Mouser Part No 81-DLM0NSM900HY2D	Murata Electronics	Common Mode Chokes / Filters 90 OHM Learn More about Murata Electronics murata dk1 y1 smd capacitors	Datasheet	242 133In Stock 160 000Expected 07/01/2027	Cut Tape 0,086 € 0,071 € 0,062 € 0,058 € View Reel 0,039 € 0,051 € 0,048 € 0,045 € 0,039 € MouseReel Available	Min.: 1 Mult.: 1 : 10 000
Common Mode Chokes / Filters 90 OHM 100MHZ 100MA DLM0NSN900HY2D Murata Electronics 1: 0,086 € 174 036In Stock 110 000Expected 11/11/2026	Mfr. Part No. DLM0NSN900HY2D Mouser Part No 81-DLM0NSN900HY2D	Murata Electronics	Common Mode Chokes / Filters 90 OHM 100MHZ 100MA Learn More about Murata Electronics murata dk1 y1 smd capacitors	Datasheet	174 036In Stock 110 000Expected 11/11/2026	Cut Tape 0,086 € 0,065 € 0,057 € 0,053 € View Reel 0,035 € 0,046 € 0,044 € 0,04 € 0,035 € MouseReel Available	Min.: 1 Mult.: 1 : 10 000
Common Mode Chokes / Filters 12 OHM 100MHZ 150MA DLM0QSB120HY2D Murata Electronics 1: 0,112 € 57 551In Stock	Mfr. Part No. DLM0QSB120HY2D Mouser Part No 81-DLM0QSB120HY2D	Murata Electronics	Common Mode Chokes / Filters 12 OHM 100MHZ 150MA Learn More about Murata Electronics murata dk1 y1 smd capacitors	Datasheet	57 551In Stock	Cut Tape 0,112 € 0,09 € 0,079 € 0,074 € View Reel 0,052 € 0,065 € 0,061 € 0,057 € 0,056 € 0,052 € 0,052 € MouseReel Available	Min.: 1 Mult.: 1 : 15 000
Common Mode Chokes / Filters 50 OHM 100MHZ 100MA DLM0QSN500HY2D Murata Electronics 1: 0,103 € 39 997In Stock	Mfr. Part No. DLM0QSN500HY2D Mouser Part No 81-DLM0QSN500HY2D	Murata Electronics	Common Mode Chokes / Filters 50 OHM 100MHZ 100MA Learn More about Murata Electronics murata dk1 y1 smd capacitors	Datasheet	39 997In Stock	Cut Tape 0,103 € 0,083 € 0,072 € 0,068 € View Reel 0,044 € 0,059 € 0,056 € 0,052 € 0,044 € 0,044 € MouseReel Available	Min.: 1 Mult.: 1 : 15 000
Common Mode Chokes / Filters 90ohm 100MHz DLM11SN900HZ2L Murata Electronics 1: 0,189 € 108 923In Stock 64 000Expected 07/01/2027	Mfr. Part No. DLM11SN900HZ2L Mouser Part No 81-DLM11SN900HZ2L	Murata Electronics	Common Mode Chokes / Filters 90ohm 100MHz Learn More about Murata Electronics murata dk1 y1 smd capacitors	Datasheet	108 923In Stock 64 000Expected 07/01/2027	Cut Tape 0,189 € 0,154 € 0,134 € 0,126 € View Reel 0,088 € 0,111 € 0,104 € 0,092 € 0,088 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Common Mode Chokes / Filters DLW21HN121HQ2L Murata Electronics 1: 0,361 € 8 871In Stock	Mfr. Part No. DLW21HN121HQ2L Mouser Part No 81-DLW21HN121HQ2L	Murata Electronics	Common Mode Chokes / Filters Learn More about Murata Electronics murata dlw choke coils	Datasheet	8 871In Stock	Cut Tape 0,361 € 0,298 € 0,26 € 0,245 € Reel 0,196 € View 0,227 € 0,214 € 0,209 € 0,187 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 9 000 : 3 000
Common Mode Chokes / Filters 120 OHM 50V DLW21HN121SQ2L Murata Electronics 1: 0,31 € 24 243In Stock 33 000Expected 03/09/2027	Mfr. Part No. DLW21HN121SQ2L Mouser Part No 81-DLW21HN121SQ2L	Murata Electronics	Common Mode Chokes / Filters 120 OHM 50V Learn More about Murata Electronics murata dlw choke coils	Datasheet	24 243In Stock 33 000Expected 03/09/2027	Cut Tape 0,31 € 0,303 € 0,265 € 0,224 € Reel 0,16 € View 0,212 € 0,188 € 0,175 € 0,156 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Common Mode Chokes / Filters 0.590 OHM 0.2A CM CHOKE FILTER DLW21HN900HQ2L Murata Electronics 1: 0,361 € 14 551In Stock	Mfr. Part No. DLW21HN900HQ2L Mouser Part No 81-DLW21HN900HQ2L	Murata Electronics	Common Mode Chokes / Filters 0.590 OHM 0.2A CM CHOKE FILTER Learn More about Murata Electronics murata dlw choke coils	Datasheet	14 551In Stock	Cut Tape 0,361 € 0,298 € 0,26 € 0,245 € Reel 0,196 € View 0,227 € 0,214 € 0,202 € 0,187 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Common Mode Chokes / Filters 90 OHM 50V DLW21HN900SQ2L Murata Electronics 1: 0,31 € 91 160In Stock 237 000On Order	Mfr. Part No. DLW21HN900SQ2L Mouser Part No 81-DLW21HN900SQ2L	Murata Electronics	Common Mode Chokes / Filters 90 OHM 50V Learn More about Murata Electronics murata dlw choke coils	Datasheet	91 160In Stock 237 000On Order On Order Ship Dates Mfr. No: DLW21HN900SQ2L Stock: 91 160 Can Dispatch Immediately On Order: 99 000 Expected 25/06/2027 138 000 Expected 30/07/2027 Factory Lead Time: 11 Weeks	Cut Tape 0,31 € 0,253 € 0,221 € 0,208 € Reel 0,155 € View 0,193 € 0,181 € 0,171 € 0,146 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Common Mode Chokes / Filters CMC SMD 200ohm 500mA POWRTRN DLW21PH201XQ2L Murata Electronics 1: 0,482 € 5 409In Stock	Mfr. Part No. DLW21PH201XQ2L Mouser Part No 81-DLW21PH201XQ2L	Murata Electronics	Common Mode Chokes / Filters CMC SMD 200ohm 500mA POWRTRN Learn More about Murata Electronics murata dlw choke coils	Datasheet	5 409In Stock	Cut Tape 0,482 € 0,395 € 0,345 € 0,325 € View Reel 0,249 € 0,301 € 0,284 € 0,267 € 0,249 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000
Common Mode Chokes / Filters 390 OHM 50V 300MA POWERTRAI DLW21SH391XQ2L Murata Electronics 1: 0,482 € 10 184In Stock	Mfr. Part No. DLW21SH391XQ2L Mouser Part No 81-DLW21SH391XQ2L	Murata Electronics	Common Mode Chokes / Filters 390 OHM 50V 300MA POWERTRAI Learn More about Murata Electronics murata dlw21sh common mode chokes	Datasheet	10 184In Stock	Cut Tape 0,482 € 0,395 € 0,345 € 0,325 € View Reel 0,247 € 0,301 € 0,284 € 0,267 € 0,247 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 2 000 : 2 000
Common Mode Chokes / Filters 120 OHM 50V DLW21SN121SQ2L Murata Electronics 1: 0,37 € 11 824In Stock 68 000On Order	Mfr. Part No. DLW21SN121SQ2L Mouser Part No 81-DLW21SN121SQ2L	Murata Electronics	Common Mode Chokes / Filters 120 OHM 50V Learn More about Murata Electronics murata dlw choke coils	Datasheet	11 824In Stock 68 000On Order On Order Ship Dates Mfr. No: DLW21SN121SQ2L Stock: 11 824 Can Dispatch Immediately On Order: 16 000 Expected 03/12/2026 20 000 Expected 31/12/2026 32 000 Expected 07/01/2027 Factory Lead Time: 11 Weeks	Cut Tape 0,37 € 0,304 € 0,266 € 0,25 € Reel 0,195 € View 0,231 € 0,218 € 0,206 € 0,188 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000
Common Mode Chokes / Filters 260 OHM 50V DLW21SN261SQ2L Murata Electronics 1: 0,37 € 7 494In Stock	Mfr. Part No. DLW21SN261SQ2L Mouser Part No 81-DLW21SN261SQ2L	Murata Electronics	Common Mode Chokes / Filters 260 OHM 50V Learn More about Murata Electronics murata dlw choke coils	Datasheet	7 494In Stock	Cut Tape 0,37 € 0,304 € 0,266 € 0,25 € Reel 0,192 € View 0,231 € 0,218 € 0,206 € 0,181 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000
Common Mode Chokes / Filters 67 OHM 50V DLW21SN670SQ2L Murata Electronics 1: 0,439 € 15 166In Stock	Mfr. Part No. DLW21SN670SQ2L Mouser Part No 81-DLW21SN670SQ2L	Murata Electronics	Common Mode Chokes / Filters 67 OHM 50V Learn More about Murata Electronics murata dlw choke coils	Datasheet	15 166In Stock	Cut Tape 0,439 € 0,365 € 0,318 € 0,275 € View Reel 0,196 € 0,26 € 0,231 € 0,213 € 0,196 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 2 000 : 2 000
Common Mode Chokes / Filters 90 OHM 50V DLW21SN900HQ2L Murata Electronics 1: 0,439 € 41 785In Stock 72 000On Order	Mfr. Part No. DLW21SN900HQ2L Mouser Part No 81-DLW21SN900HQ2L	Murata Electronics	Common Mode Chokes / Filters 90 OHM 50V Learn More about Murata Electronics murata dlw choke coils	Datasheet	41 785In Stock 72 000On Order On Order Ship Dates Mfr. No: DLW21SN900HQ2L Stock: 41 785 Can Dispatch Immediately On Order: 30 000 Expected 15/12/2026 42 000 Expected 17/12/2026 Factory Lead Time: 11 Weeks	Cut Tape 0,439 € 0,359 € 0,314 € 0,296 € Reel 0,237 € View 0,273 € 0,258 € 0,243 € 0,226 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000
Common Mode Chokes / Filters 920 OHM DLW21SN921SK2L Murata Electronics 1: 0,361 € 52 206In Stock	Mfr. Part No. DLW21SN921SK2L Mouser Part No 81-DLW21SN921SK2L	Murata Electronics	Common Mode Chokes / Filters 920 OHM Learn More about Murata Electronics murata dlw choke coils	Datasheet	52 206In Stock	Cut Tape 0,361 € 0,298 € 0,261 € 0,245 € Reel 0,187 € View 0,227 € 0,212 € 0,20 € 0,177 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000
Common Mode Chokes / Filters 490 OHM 100MHZ DLW21SZ491XQ2L Murata Electronics 1: 0,387 € 7 572In Stock	Mfr. Part No. DLW21SZ491XQ2L Mouser Part No 81-DLW21SZ491XQ2L	Murata Electronics	Common Mode Chokes / Filters 490 OHM 100MHZ Learn More about Murata Electronics murata dlw choke coils	Datasheet	7 572In Stock	Cut Tape 0,387 € 0,326 € 0,285 € 0,268 € View Reel 0,206 € 0,249 € 0,235 € 0,221 € 0,206 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000
Common Mode Chokes / Filters 2200 OHM 32V DLW31SH222SQ2L Murata Electronics 1: 0,817 € 7 575In Stock 6 000Expected 19/01/2027	Mfr. Part No. DLW31SH222SQ2L Mouser Part No 81-DLW31SH222SQ2L	Murata Electronics	Common Mode Chokes / Filters 2200 OHM 32V Learn More about Murata Electronics murata dlw choke coils	Datasheet	7 575In Stock 6 000Expected 19/01/2027	Cut Tape 0,817 € 0,672 € 0,587 € 0,54 € Reel 0,416 € View 0,503 € 0,478 € 0,449 € 0,40 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000
Common Mode Chokes / Filters 1000 OHM 50V DLW31SN102SQ2L Murata Electronics 1: 0,869 € 8 017In Stock	Mfr. Part No. DLW31SN102SQ2L Mouser Part No 81-DLW31SN102SQ2L	Murata Electronics	Common Mode Chokes / Filters 1000 OHM 50V Learn More about Murata Electronics murata dlw choke coils	Datasheet	8 017In Stock	Cut Tape 0,869 € 0,712 € 0,622 € 0,582 € View Reel 0,446 € 0,543 € 0,507 € 0,482 € 0,446 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 2 000 : 2 000
Common Mode Chokes / Filters 160 OHM 50V DLW31SN161SQ2L Murata Electronics 1: 0,817 € 3 956In Stock	Mfr. Part No. DLW31SN161SQ2L Mouser Part No 81-DLW31SN161SQ2L	Murata Electronics	Common Mode Chokes / Filters 160 OHM 50V Learn More about Murata Electronics murata dlw choke coils	Datasheet	3 956In Stock	Cut Tape 0,817 € 0,672 € 0,587 € 0,539 € Reel 0,424 € View 0,512 € 0,482 € 0,455 € 0,40 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000

EMI Noise Suppression

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EMI Noise Suppression

Types of Passive Components