Passive Components – Mouser Japan

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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 (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below BLM15GG221SN1D Murata Electronics 1: ¥124.6 139,571In Stock	Mfr. Part # BLM15GG221SN1D Mouser Part # 81-BLM15GG221SN1D	Murata Electronics	Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	139,571In Stock	Cut Tape ¥124.6 ¥87.5 ¥75.4 ¥67.1 View Reel ¥37.4 ¥59.6 ¥50.5 ¥44.3 ¥38.5 ¥37.4 ¥37.4 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below BLM15GG471SN1D Murata Electronics 1: ¥93 208,368In Stock	Mfr. Part # BLM15GG471SN1D Mouser Part # 81-BLM15GG471SN1D	Murata Electronics	Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	208,368In Stock	Cut Tape ¥93 ¥64.8 ¥56 ¥50 View Reel ¥34.5 ¥44.3 ¥37.7 ¥35.4 ¥34.7 ¥34.5 ¥34.5 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Ferrite Beads 1800 OHM 25% Alternate Sizing Guide Below BLM15HD182SN1D Murata Electronics 1: ¥26.6 464,480In Stock 350,000Expected 12/11/2026	Mfr. Part # BLM15HD182SN1D Mouser Part # 81-BLM15HD182SN1D	Murata Electronics	Ferrite Beads 1800 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	464,480In Stock 350,000Expected 12/11/2026	Cut Tape ¥26.6 ¥18.6 ¥16.3 ¥14.6 View Reel ¥8.6 ¥13.1 ¥11.3 ¥10 ¥8.8 ¥8.6 ¥8.6 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below BLM15HG102SN1D Murata Electronics 1: ¥23.3 648,624In Stock	Mfr. Part # BLM15HG102SN1D Mouser Part # 81-BLM15HG102SN1D	Murata Electronics	Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	648,624In Stock	Cut Tape ¥23.3 ¥16.3 ¥12.6 ¥11.5 View Reel ¥7.5 ¥9.8 ¥8.3 ¥7.6 ¥7.5 ¥7.5 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below BLM15PD121SN1D Murata Electronics 1: ¥16.6 1,718,552In Stock	Mfr. Part # BLM15PD121SN1D Mouser Part # 81-BLM15PD121SN1D	Murata Electronics	Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	1,718,552In Stock	Cut Tape ¥16.6 ¥9.1 ¥7.1 ¥6.3 View Reel ¥3.8 ¥5.5 ¥5 ¥4.3 ¥3.8 ¥3.8 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Ferrite Beads 33 OHM 25% Alternate Sizing Guide Below BLM15PX330SN1D Murata Electronics 1: ¥16.6 423,849In Stock	Mfr. Part # BLM15PX330SN1D Mouser Part # 81-BLM15PX330SN1D	Murata Electronics	Ferrite Beads 33 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	423,849In Stock	Cut Tape ¥16.6 ¥11.6 ¥9.1 ¥8.1 View Reel ¥5 ¥7.1 ¥6.3 ¥5.6 ¥5.5 ¥5 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below BLM18EG221SN1D Murata Electronics 1: ¥39.9 873,324In Stock 580,000Expected 12/8/2026	Mfr. Part # BLM18EG221SN1D Mouser Part # 81-BLM18EG221SN1D	Murata Electronics	Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	873,324In Stock 580,000Expected 12/8/2026	Cut Tape ¥39.9 ¥28.4 ¥24.7 ¥22.1 View Reel ¥15.8 ¥19.8 ¥16.9 ¥15.8 ¥15.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below BLM18GG471SN1D Murata Electronics 1: ¥46.5 120,323In Stock	Mfr. Part # BLM18GG471SN1D Mouser Part # 81-BLM18GG471SN1D	Murata Electronics	Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	120,323In Stock	Cut Tape ¥46.5 ¥32.4 ¥26.2 ¥23.8 View Reel ¥11.1 ¥21.4 ¥18.6 ¥16.8 ¥11.1 ¥11.1 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 1500 OHM 25% Alternate Sizing Guide Below BLM18HE152SN1D Murata Electronics 1: ¥36.5 247,425In Stock 160,000Expected 12/2/2026	Mfr. Part # BLM18HE152SN1D Mouser Part # 81-BLM18HE152SN1D	Murata Electronics	Ferrite Beads 1500 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	247,425In Stock 160,000Expected 12/2/2026	Cut Tape ¥36.5 ¥25.6 ¥20.8 ¥19.1 View Reel ¥14.5 ¥16.9 ¥15.3 ¥14.5 ¥14.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below BLM18KG121TN1D Murata Electronics 1: ¥18.3 1,001,134In Stock	Mfr. Part # BLM18KG121TN1D Mouser Part # 81-BLM18KG121TN1D	Murata Electronics	Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	1,001,134In Stock	Cut Tape ¥18.3 ¥11.3 ¥8.8 ¥8 View Reel ¥5 ¥6.8 ¥6.1 ¥5.5 ¥5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below BLM18KG221SN1D Murata Electronics 1: ¥16.6 434,490In Stock 240,000Expected 12/7/2026	Mfr. Part # BLM18KG221SN1D Mouser Part # 81-BLM18KG221SN1D	Murata Electronics	Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	434,490In Stock 240,000Expected 12/7/2026	Cut Tape ¥16.6 ¥10.6 ¥8.3 ¥7.5 View Reel ¥5 ¥6.5 ¥5.8 ¥5.1 ¥5 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: ¥18.3 421,185In Stock	Mfr. Part # BLM18KG601SH1D Mouser Part # 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	421,185In Stock	Cut Tape ¥18.3 ¥12 ¥10.5 ¥9.5 View Reel ¥5.5 ¥8.5 ¥7.3 ¥6.5 ¥5.8 ¥5.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below BLM18KG601SN1D Murata Electronics 1: ¥16.6 1,120,054In Stock 80,000Expected 10/20/2026	Mfr. Part # BLM18KG601SN1D Mouser Part # 81-BLM18KG601SN1D	Murata Electronics	Ferrite Beads 600 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm18kg ferrite beads	Datasheet	1,120,054In Stock 80,000Expected 10/20/2026	Cut Tape ¥16.6 ¥10.6 ¥8.3 ¥7.5 View Reel ¥5 ¥6.5 ¥5.8 ¥5.1 ¥5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below BLM18PG121SN1D Murata Electronics 1: ¥16.6 1,553,258In Stock 122,516Expected 10/20/2026	Mfr. Part # BLM18PG121SN1D Mouser Part # 81-BLM18PG121SN1D	Murata Electronics	Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	1,553,258In Stock 122,516Expected 10/20/2026	Cut Tape ¥16.6 ¥10.3 ¥8 ¥7.3 View Reel ¥4.8 ¥6.3 ¥5.6 ¥5 ¥4.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 180 OHM 25% Alternate Sizing Guide Below BLM18PG181SN1D Murata Electronics 1: ¥16.6 509,471In Stock	Mfr. Part # BLM18PG181SN1D Mouser Part # 81-BLM18PG181SN1D	Murata Electronics	Ferrite Beads 180 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	509,471In Stock	Cut Tape ¥16.6 ¥10.3 ¥8 ¥7.3 View Reel ¥4.8 ¥6.3 ¥5.6 ¥5 ¥4.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below BLM21AG121SN1D Murata Electronics 1: ¥26.6 413,184In Stock 260,000Expected 2/8/2027	Mfr. Part # BLM21AG121SN1D Mouser Part # 81-BLM21AG121SN1D	Murata Electronics	Ferrite Beads 120 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	413,184In Stock 260,000Expected 2/8/2027	Cut Tape ¥26.6 ¥18.9 ¥16.6 ¥14.8 View Reel ¥10 ¥13.3 ¥11.5 ¥10.1 ¥10 ¥10 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below BLM21BD102SN1D Murata Electronics 1: ¥28.2 221,892In Stock 123,601Expected 10/22/2026	Mfr. Part # BLM21BD102SN1D Mouser Part # 81-BLM21B102S	Murata Electronics	Ferrite Beads 1000 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	221,892In Stock 123,601Expected 10/22/2026	Cut Tape ¥28.2 ¥20.3 ¥16.3 ¥14.6 View Reel ¥10 ¥13.1 ¥11.3 ¥10 ¥10 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below BLM21PG221SN1D Murata Electronics 1: ¥18.3 1,947,633In Stock 1,180,000Expected 11/12/2026	Mfr. Part # BLM21PG221SN1D Mouser Part # 81-BLM21P221SG	Murata Electronics	Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	1,947,633In Stock 1,180,000Expected 11/12/2026	Cut Tape ¥18.3 ¥13.3 ¥10.5 ¥9.5 View Reel ¥6.6 ¥8 ¥7 ¥6.6 ¥6.6 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 22 OHM 25% Alternate Sizing Guide Below BLM21PG220SN1D Murata Electronics 1: ¥18.3 647,508In Stock	Mfr. Part # BLM21PG220SN1D Mouser Part # 81-BLM21PG220SN1D	Murata Electronics	Ferrite Beads 22 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	647,508In Stock	Cut Tape ¥18.3 ¥13.3 ¥10.5 ¥9.5 View Reel ¥6.6 ¥8.1 ¥7.1 ¥6.6 ¥6.6 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 1000 OHM Alternate Sizing Guide Below BLM21SP102SN1D Murata Electronics 1: ¥51.5 148,983In Stock	Mfr. Part # BLM21SP102SN1D Mouser Part # 81-BLM21SP102SN1D	Murata Electronics	Ferrite Beads 1000 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	148,983In Stock	Cut Tape ¥51.5 ¥36.4 ¥31.6 ¥28.2 View Reel ¥20.9 ¥25.2 ¥21.6 ¥20.9 ¥20.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 600 OHM 125C 1.5A Alternate Sizing Guide Below BLM21SP601SH1D Murata Electronics 1: ¥56.5 97,515In Stock 180,000Expected 3/1/2027	Mfr. Part # BLM21SP601SH1D Mouser Part # 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	97,515In Stock 180,000Expected 3/1/2027	Cut Tape ¥56.5 ¥39.5 ¥34.2 ¥30.7 View Reel ¥13.8 ¥27.2 ¥23.3 ¥19.9 ¥14 ¥13.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 600 OHM Alternate Sizing Guide Below BLM21SP601SN1D Murata Electronics 1: ¥51.5 415,747In Stock	Mfr. Part # BLM21SP601SN1D Mouser Part # 81-BLM21SP601SN1D	Murata Electronics	Ferrite Beads 600 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	415,747In Stock	Cut Tape ¥51.5 ¥36.2 ¥31.6 ¥28.2 View Reel ¥12.5 ¥25.1 ¥21.4 ¥18.9 ¥12.6 ¥12.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Ferrite Beads 33 OHM 25% Alternate Sizing Guide Below BLM31PG330SN1L Murata Electronics 1: ¥53.2 102,253In Stock 69,000Expected 2/1/2027	Mfr. Part # BLM31PG330SN1L Mouser Part # 81-BLM31P330S	Murata Electronics	Ferrite Beads 33 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	102,253In Stock 69,000Expected 2/1/2027	Cut Tape ¥53.2 ¥37.4 ¥32.4 ¥29.1 View Reel ¥21.6 ¥25.9 ¥22.1 ¥21.6 ¥21.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Ferrite Beads 390 OHM 25% Alternate Sizing Guide Below BLM31PG391SN1L Murata Electronics 1: ¥53.2 96,682In Stock 75,000Expected 11/19/2026	Mfr. Part # BLM31PG391SN1L Mouser Part # 81-BLM31P391S	Murata Electronics	Ferrite Beads 390 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	96,682In Stock 75,000Expected 11/19/2026	Cut Tape ¥53.2 ¥37.4 ¥32.4 ¥29.1 View Reel ¥21.6 ¥25.9 ¥22.1 ¥21.6 ¥21.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Ferrite Beads 50 OHM 25% Alternate Sizing Guide Below BLM31PG500SN1L Murata Electronics 1: ¥53.2 169,537In Stock	Mfr. Part # BLM31PG500SN1L Mouser Part # 81-BLM31P500S	Murata Electronics	Ferrite Beads 50 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm emi filter	Datasheet	169,537In Stock	Cut Tape ¥53.2 ¥37.4 ¥32.4 ¥29.1 View Reel ¥21.6 ¥25.9 ¥22.1 ¥21.6 ¥21.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000