Ferrite Beads – Mouser United Kingdom

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BLM-SN Ferrite Beads

Murata Electronics BLM-SN Ferrite Beads offer high performance with more than 8A current and 1GHz to 3GHz impedance in compact packaging. The BLM-SN series enables the reduction of high-frequency noise at the power supply circuit. These beads are AEC-Q200 compliant with an operating temperature range of -55°ºC to +125°C. Typical applications for Murata Electronics BLM-SN Ferrite Beads include automotive, networking, communications, industrial control, factory automation, and consumer electronics.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Product	Termination Style	Package/Case	Impedance	Maximum DC Current	Tolerance	Maximum DC Resistance	Minimum Operating Temperature	Maximum Operating Temperature	Length	Width	Height	Qualification	Packaging
Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below BLM31SN500SN1L Murata Electronics 1: £0.315 17,710In Stock 338,260On Order	Mfr. Part No. BLM31SN500SN1L Mouser Part No 81-BLM31SN500SN1L	Murata Electronics	Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below Learn More about Murata Electronics murata blm sn ferrite beads	Datasheet	17,710In Stock 338,260On Order On Order Ship Dates Mfr. No: BLM31SN500SN1L Stock: 17,710 Can Dispatch Immediately On Order: 120,000 Expected 02/10/2026 83,260 Expected 16/10/2026 135,000 Expected 25/02/2027 Factory Lead Time: 19 Weeks	Cut Tape £0.315 £0.22 £0.189 £0.16 View Reel £0.094 £0.144 £0.126 £0.112 £0.094 £0.094 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	BLM31_SN	Ferrite Beads	SMD/SMT	1206 (3216 metric)	50 Ohms	12 A	25 %	1.6 mOhms	- 55 C	+ 125 C	3.2 mm	1.6 mm	1.1 mm		Reel, Cut Tape, MouseReel
Ferrite Beads 50 OHM 25% Alternate Sizing Guide Below BLM31SN500SZ1L Murata Electronics 1: £0.315 114,047In Stock 90,000Expected 21/12/2026	Mfr. Part No. BLM31SN500SZ1L Mouser Part No 81-BLM31SN500SZ1L	Murata Electronics	Ferrite Beads 50 OHM 25% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	114,047In Stock 90,000Expected 21/12/2026	Cut Tape £0.315 £0.223 £0.193 £0.172 View Reel £0.092 £0.153 £0.13 £0.114 £0.092 £0.092 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	BLM31 _Z	Ferrite Beads	SMD/SMT	1206 (3216 metric)	50 Ohms	12 A	25 %	1.6 mOhms	- 55 C	+ 125 C	3.2 mm	1.6 mm	1.1 mm	AEC-Q200	Reel, Cut Tape, MouseReel
Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below BLM21SN300SH1D Murata Electronics 1: £0.18 8,239In Stock 48,000On Order	Mfr. Part No. BLM21SN300SH1D Mouser Part No 81-BLM21SN300SH1D	Murata Electronics	Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	8,239In Stock 48,000On Order On Order Ship Dates Mfr. No: BLM21SN300SH1D Stock: 8,239 Can Dispatch Immediately On Order: 16,000 Expected 05/11/2026 32,000 Expected 23/11/2026 Factory Lead Time: 11 Weeks	Cut Tape £0.18 £0.126 £0.109 £0.098 View Reel £0.045 £0.087 £0.074 £0.066 £0.058 £0.045 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	BLM21_H	Ferrite Chip Beads	SMD/SMT	0805 (2012 metric)	30 Ohms	8.5 A	25 %	4 mOhms	- 55 C	+ 125 C	2 mm	1.25 mm	0.85 mm	AEC-Q200	Reel, Cut Tape, MouseReel
Ferrite Beads 30 OHM Alternate Sizing Guide Below BLM21SN300SZ1D Murata Electronics 1: £0.173 2,167In Stock 8,000Expected 05/11/2026	Mfr. Part No. BLM21SN300SZ1D Mouser Part No 81-BLM21SN300SZ1D	Murata Electronics	Ferrite Beads 30 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	2,167In Stock 8,000Expected 05/11/2026	Cut Tape £0.173 £0.12 £0.105 £0.094 View Reel £0.045 £0.084 £0.072 £0.063 £0.056 £0.045 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	BLM21_Z	Ferrite Chip Beads	SMD/SMT	0805 (2012 metric)	30 Ohms	8.5 A	25 %	4 mOhms	- 55 C	+ 125 C	2 mm	1.25 mm	0.85 mm	AEC-Q200	Reel, Cut Tape, MouseReel
Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below BLM31SN500SH1L Murata Electronics 1: £0.338 59,189In Stock 60,000Expected 02/10/2026	Mfr. Part No. BLM31SN500SH1L Mouser Part No 81-BLM31SN500SH1L	Murata Electronics	Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	59,189In Stock 60,000Expected 02/10/2026	Cut Tape £0.338 £0.236 £0.204 £0.182 View Reel £0.106 £0.162 £0.138 £0.12 £0.106 £0.106 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	BLM31_H	Ferrite Beads	SMD/SMT	1206 (3216 metric)	50 Ohms	12 A	25 %	1.6 mOhms	- 55 C	+ 125 C	3.2 mm	1.6 mm	1.1 mm	AEC-Q200	Reel, Cut Tape, MouseReel
Ferrite Beads 22 OHM Alternate Sizing Guide Below BLM18SN220TN1D Murata Electronics 1: £0.158 3In Stock 420,000On Order	Mfr. Part No. BLM18SN220TN1D Mouser Part No 81-BLM18SN220TN1D	Murata Electronics	Ferrite Beads 22 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm sn ferrite beads	Datasheet	3In Stock 420,000On Order On Order Ship Dates Mfr. No: BLM18SN220TN1D Stock: 3 Can Dispatch Immediately On Order: 100,000 Expected 02/10/2026 160,000 Expected 05/11/2026 160,000 Expected 14/06/2027 Factory Lead Time: 39 Weeks	Cut Tape £0.158 £0.107 £0.093 £0.083 View Reel £0.048 £0.074 £0.065 £0.057 £0.049 £0.048 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	BLM18_xN	Ferrite Beads	SMD/SMT	0603 (1608 metric)	22 Ohms	8 A	7 %	4 mOhms	- 55 C	+ 125 C	1.6 mm	0.8 mm	0.6 mm		Reel, Cut Tape, MouseReel
Ferrite Beads Chip Ferrite 0805, 4mOhms Res, 30Ohms Imp, 8.5A BLM21SN300SN1D Murata Electronics 1: £0.158 278,778On Order	Mfr. Part No. BLM21SN300SN1D Mouser Part No 81-BLM21SN300SN1D	Murata Electronics	Ferrite Beads Chip Ferrite 0805, 4mOhms Res, 30Ohms Imp, 8.5A Learn More about Murata Electronics murata blm sn ferrite beads	Datasheet	278,778On Order On Order Ship Dates Mfr. No: BLM21SN300SN1D Stock: 0 On Order: 98,778 Expected 09/10/2026 180,000 Expected 07/12/2026 Factory Lead Time: 14 Weeks	Cut Tape £0.158 £0.11 £0.096 £0.086 View Reel £0.052 £0.078 £0.065 £0.058 £0.052 £0.052 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	BLM21_xN	Ferrite Chip Beads	SMD/SMT	0805 (2012 metric)	30 Ohms	8.5 A		4 mOhms	- 55 C	+ 125 C	2 mm	1.25 mm	0.85 mm		Reel, Cut Tape, MouseReel
Ferrite Beads 22 OHM 5000MA Alternate Sizing Guide Below BLM18SN220TH1D Murata Electronics 1: £0.127 244,000On Order	Mfr. Part No. BLM18SN220TH1D Mouser Part No 81-BLM18SN220TH1D	Murata Electronics	Ferrite Beads 22 OHM 5000MA Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	244,000On Order On Order Ship Dates Mfr. No: BLM18SN220TH1D Stock: 0 On Order: 28,000 Expected 02/10/2026 48,000 Expected 27/10/2026 68,000 Expected 12/11/2026 100,000 Expected 01/06/2027 Factory Lead Time: 38 Weeks	Cut Tape £0.127 £0.088 £0.078 £0.071 View Reel £0.035 £0.065 £0.057 £0.051 £0.045 £0.035 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	BLM18_H	Ferrite Beads	SMD/SMT	0603 (1608 metric)	22 Ohms	8 A	25 %	4 mOhms	- 55 C	+ 125 C	1.6 mm	0.8 mm	0.6 mm	AEC-Q200	Reel, Cut Tape, MouseReel
Ferrite Beads 22 OHM Alternate Sizing Guide Below BLM18SN220TZ1D Murata Electronics 1: £0.127 117,909On Order	Mfr. Part No. BLM18SN220TZ1D Mouser Part No 81-BLM18SN220TZ1D	Murata Electronics	Ferrite Beads 22 OHM Alternate Sizing Guide Below Learn More about Murata Electronics murata blm powertrain safety	Datasheet	117,909On Order On Order Ship Dates Mfr. No: BLM18SN220TZ1D Stock: 0 On Order: 29,909 Expected 26/10/2026 48,000 Expected 06/11/2026 40,000 Expected 16/11/2026 Factory Lead Time: 16 Weeks	Cut Tape £0.127 £0.093 £0.082 £0.073 View Reel £0.035 £0.067 £0.058 £0.052 £0.045 £0.035 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	BLM18_Z	Ferrite Beads	SMD/SMT	0603 (1608 metric)	22 Ohms	8 A	25 %	4 mOhms	- 55 C	+ 125 C	1.6 mm	0.8 mm	0.6 mm	AEC-Q200	Reel, Cut Tape, MouseReel

BLM-SN Ferrite Beads

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