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We offer ferrite beads with impedance ratings from 0.15ohm to 15kohm, and DC current ratings from 50mA to 20A

What is a Ferrite Bead?

Ferrite beads or chip inductor beads are passive electronic components that can suppress high frequency signals on a power supply line. They are normally placed around a power/ground line pair that is incoming to a particular device, such as the power cord for your laptop. These beads work according to Faraday’s Law: the magnetic core around a conductor induces a back EMF in the presence of a high frequency signal, essentially attenuating the ferrite frequency response.

Ferrites are magnetic materials, and placing this material in a ferrite clamp around the power supply/ground line provides a source of inductive impedance for signals passing through the line.

Ferrite bead model

A ferrite bead can be modelled as capacitors and inductors, plus a resistor in parallel with this RLC network wired with a series resistor. The series resistor quantifies the device’s resistance to DC currents. The inductor in this model represents a ferrite beads primary function of attenuating high-frequency signals, i.e., providing inductive impedance through Faraday’s Law. The parallel resistor in this model accounts for losses in eddy currents that are induced within the ferrite bead at high frequencies. Finally, the capacitor in this model accounts for the component’s natural parasitic capacitance.

Fair-Rite, for example, offers a broad selection of cost-effective multi-layer chip inductor beads to suppress conducted EMI signals. Chip inductor beads can be used in an array of devices such as cellular phones, computers, laptops, pagers, etc. The small package sizes accommodate automated placements and allow for a dense packaging of circuit boards.

Chip Inductor Beads are available in standard, high and GHz signal speeds.

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Manufacturer Part No	Order Code	Description / Manufacturer	Price For	Price	Quantity	Outer Diameter	Ferrite Bead Case / Package	Impedance	DC Current Rating	Inner Diameter	Frequency Min	Product Range	Frequency Max	DC Resistance	DC Resistance Max	Impedance Tolerance	Product Length	Product Width	Product Height	Ferrite Mounting	Operating Temperature Min	Operating Temperature Max	Qualification
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MMZ2012Y102BT000	1669727 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0805 [2012 Metric], 1 kohm, 500 mA, MMZ, 0.3 ohm, ± 25% TDK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1669727 1669727RL in Re-reel	10+ £0.05 100+ £0.033 500+ £0.025 1000+ £0.021 2000+ £0.019 4000+ £0.017 20000+ £0.0167 40000+ £0.0163 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0805 [2012 Metric]	1kohm	500mA	-	-	MMZ	-	-	0.3ohm	± 25%	2mm	1.25mm	0.85mm	SMD	-55°C	125°C	-
MMZ1608Y121BTA00	1669711 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0603 [1608 Metric], 120 ohm, 500 mA, MMZ, 0.2 ohm, ± 25% TDK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1669711 1669711RL in Re-reel	10+ £0.04 100+ £0.022 500+ £0.019 1000+ £0.017 2000+ £0.014 4000+ £0.011 20000+ £0.0108 40000+ £0.0106 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0603 [1608 Metric]	120ohm	500mA	-	-	MMZ	-	-	0.2ohm	± 25%	1.6mm	0.8mm	0.8mm	SMD	-55°C	125°C	-
MMZ2012S102AT000	2800761 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0805 [2012 Metric], 1 kohm, 500 mA, MMZ, 0.35 ohm, ± 25% TDK You previously purchased this product. View in Order History	Each (Supplied on Full Reel) Full Reel	4000+ £0.023 20000+ £0.013 40000+ £0.0127	Restricted Item Minimum order of 4000 items Multiples of 4000 only Please enter a valid quantity Add Min: 4000 Mult: 4000	-	0805 [2012 Metric]	1kohm	500mA	-	-	MMZ	-	-	0.35ohm	± 25%	2mm	1.25mm	0.85mm	SMD	-55°C	125°C	-
B-01-AT1F	3365718 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, Axial Leaded, 5 A, BEAD L Series KEMET You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	10+ £0.346 50+ £0.322 100+ £0.298 500+ £0.26 1000+ £0.223 2000+ £0.185 4000+ £0.178 8000+ £0.171 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	Axial Leaded	-	5A	-	-	BEAD L Series	-	-	-	-	12.5mm	-	-	Through Hole	-20°C	70°C	-
B-06-R-25	3227447 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, Radial Leaded, 5 A, BEAD L Series KEMET You previously purchased this product. View in Order History	Each	10+ £0.325 50+ £0.292 100+ £0.259 500+ £0.243	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	Radial Leaded	-	5A	-	-	BEAD L Series	-	-	-	-	7mm	2.5mm	6mm	Through Hole	-20°C	70°C	-

MMZ1608R601ATD25	3386887 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0603 [1608 Metric], 600 ohm, 500 mA, MMZ, 0.4 ohm, ± 25% TDK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3386887 3386887RL in Re-reel	10+ £0.044 100+ £0.024 500+ £0.022 1000+ £0.019 2000+ £0.016 4000+ £0.014 20000+ £0.013 40000+ £0.012 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0603 [1608 Metric]	600ohm	500mA	-	-	MMZ	-	-	0.4ohm	± 25%	1.6mm	0.8mm	0.8mm	SMD	-55°C	125°C	AEC-Q200

MI0603K471R-10	3605007RL Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0603 [1608 Metric], 470 ohm, 1.5 A, MI, 0.15 ohm LAIRD You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Re-reel Packaging Options Suggested replacement for:3605007RL 3605007 in Cut Tape A £3.50 re-reeling charge will be added for this product	250+ £0.059 1000+ £0.049 5000+ £0.043 10000+ £0.04 20000+ £0.037 100000+ £0.0363 200000+ £0.0355 More Pricing...	Restricted Item Minimum order of 500 items Multiples of 10 only Please enter a valid quantity Add Min: 500 Mult: 10	-	0603 [1608 Metric]	470ohm	1.5A	-	-	MI	-	-	0.15ohm	-	1.6mm	0.8mm	0.8mm	SMD	-40°C	125°C	-

MMZ2012Y601BTD25	3386824 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0805 [2012 Metric], 600 ohm, 500 mA, MMZ, 0.2 ohm, ± 25% TDK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3386824 3386824RL in Re-reel	10+ £0.057 100+ £0.053 500+ £0.042 1000+ £0.035 2000+ £0.03 4000+ £0.025 20000+ £0.023 40000+ £0.02 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0805 [2012 Metric]	600ohm	500mA	-	-	MMZ	-	-	0.2ohm	± 25%	2mm	1.25mm	0.85mm	SMD	-55°C	125°C	AEC-Q200

MPZ1608D300BTD25	3386902 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0603 [1608 Metric], 30 ohm, 1.8 A, MPZ, 0.06 ohm, ± 10ohm TDK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3386902 3386902RL in Re-reel	10+ £0.036 100+ £0.025 500+ £0.021	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0603 [1608 Metric]	30ohm	1.8A	-	-	MPZ	-	-	0.06ohm	± 10ohm	1.6mm	0.8mm	0.8mm	SMD	-55°C	125°C	AEC-Q200

782853321	3551417 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, AEC-Q200, 0805 [2012 Metric], 320 ohm, 2 A, WE-CBA, 0.05 ohm, ± 25% WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3551417 3551417RL in Re-reel	10+ £0.162 100+ £0.138 500+ £0.113 1000+ £0.059 2000+ £0.058 4000+ £0.057 20000+ £0.056 40000+ £0.054 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0805 [2012 Metric]	320ohm	2A	-	-	WE-CBA	-	-	0.05ohm	± 25%	2mm	1.2mm	0.9mm	SMD	-55°C	125°C	AEC-Q200

BLM18KG471SZ1D	3471128 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0603 [1608 Metric], 470 ohm, 1.5 A, BLM18KG, 0.13 ohm, ± 25% MURATA You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3471128 3471128RL in Re-reel	10+ £0.048 100+ £0.025 500+ £0.024 1000+ £0.021 2000+ £0.017 4000+ £0.014 20000+ £0.0135 40000+ £0.013 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0603 [1608 Metric]	470ohm	1.5A	-	-	BLM18KG	-	-	0.13ohm	± 25%	1.6mm	0.8mm	0.8mm	SMD	-55°C	125°C	AEC-Q200

MMZ1608S121ATA00	1669702 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0603 [1608 Metric], 120 ohm, 500 mA, MMZ, 0.15 ohm, ± 25% TDK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1669702 1669702RL in Re-reel	10+ £0.036 100+ £0.019 500+ £0.017 1000+ £0.015 2000+ £0.013 4000+ £0.01 20000+ £0.0098 40000+ £0.0096 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0603 [1608 Metric]	120ohm	500mA	-	-	MMZ	-	-	0.15ohm	± 25%	1.6mm	0.8mm	0.8mm	SMD	-55°C	125°C	-

MMZ2012Y600BT000	1669733 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0805 [2012 Metric], 60 ohm, 1 A, MMZ, 0.1 ohm, ± 25% TDK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1669733 1669733RL in Re-reel	10+ £0.039 100+ £0.026 500+ £0.023 1000+ £0.019 2000+ £0.017 4000+ £0.015 20000+ £0.0145 40000+ £0.014 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0805 [2012 Metric]	60ohm	1A	-	-	MMZ	-	-	0.1ohm	± 25%	2mm	1.25mm	0.85mm	SMD	-55°C	125°C	-

74279269	1635695 Data Sheet + RoHS	Ferrite Bead, 0603 [1608 Metric], 1.2 kohm, 50 mA, WE-CBF, 0.7 ohm, ± 25% WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1635695 1635695RL in Re-reel	10+ £0.13 100+ £0.12 500+ £0.114 1000+ £0.104 2000+ £0.073 4000+ £0.072 20000+ £0.07 40000+ £0.069 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0603 [1608 Metric]	1.2kohm	50mA	-	-	WE-CBF	-	-	0.7ohm	± 25%	1.6mm	0.8mm	0.8mm	SMD	-55°C	125°C	AEC-Q200

LI1206H121R-10	2292443 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 1206 [3216 Metric], 120 ohm, 800 mA, LI, 0.15 ohm LAIRD You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2292443 2292443RL in Re-reel	10+ £0.075 100+ £0.055 500+ £0.046 2500+ £0.041 7500+ £0.04 15000+ £0.039 75000+ £0.038 150000+ £0.037 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	1206 [3216 Metric]	120ohm	800mA	-	-	LI	-	-	0.15ohm	-	3.2mm	1.6mm	1.6mm	SMD	-40°C	125°C	-

MMZ1608Y301BTA00	1669715 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0603 [1608 Metric], 300 ohm, 500 mA, MMZ, 0.3 ohm, ± 25% TDK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1669715 1669715RL in Re-reel	10+ £0.036 100+ £0.019 500+ £0.017 1000+ £0.015 2000+ £0.014 4000+ £0.013 20000+ £0.012 40000+ £0.0118 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0603 [1608 Metric]	300ohm	500mA	-	-	MMZ	-	-	0.3ohm	± 25%	1.6mm	0.8mm	0.8mm	SMD	-55°C	125°C	-

BLM15AG221SH1D	2470387 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0402 [1005 Metric], 220 ohm, 300 mA, BLM15A_SH, 0.35 ohm, ± 25% MURATA You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2470387 2470387RL in Re-reel	10+ £0.04 100+ £0.022 500+ £0.018 2500+ £0.014 5000+ £0.013 10000+ £0.011 50000+ £0.0108 100000+ £0.0106 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0402 [1005 Metric]	220ohm	300mA	-	-	BLM15A_SH	-	-	0.35ohm	± 25%	1mm	0.5mm	0.5mm	SMD	-55°C	125°C	-

782853200	3237560 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0805 [2012 Metric], 20 ohm, 5 A, WE-CBA, 0.008 ohm, ± 25% WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3237560 3237560RL in Re-reel	10+ £0.193 100+ £0.161 500+ £0.149 1000+ £0.125 2000+ £0.077 4000+ £0.076 20000+ £0.074 40000+ £0.072 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0805 [2012 Metric]	20ohm	5A	-	-	WE-CBA	-	-	0.008ohm	± 25%	2mm	1.2mm	0.9mm	SMD	-55°C	125°C	AEC-Q200

B-13	3227460 Data Sheet + RoHS	Ferrite Bead, Toroid, 2.5 A, BEAD W Series KEMET You previously purchased this product. View in Order History	Each	1+ £1.65 10+ £1.03 50+ £0.919 100+ £0.808 500+ £0.672 1000+ £0.63 2000+ £0.629 4000+ £0.628 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	Toroid	-	2.5A	-	-	BEAD W Series	-	-	-	-	8mm	-	8.5mm	Through Hole	-25°C	65°C	-

B-1	3227449 Data Sheet + RoHS	Ferrite Bead, Toroid, 1.5 A, BEAD W Series KEMET You previously purchased this product. View in Order History	Each	10+ £0.285 50+ £0.279	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	Toroid	-	1.5A	-	-	BEAD W Series	-	-	-	-	5.5mm	-	-	Through Hole	-25°C	65°C	-

B-5	3227453 Data Sheet + RoHS	Ferrite Bead, Toroid, 1.5 A, BEAD W Series KEMET You previously purchased this product. View in Order History	Each	1+ £0.88 10+ £0.63 50+ £0.58 100+ £0.53 500+ £0.454 1000+ £0.416 2000+ £0.408 4000+ £0.399 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	Toroid	-	1.5A	-	-	BEAD W Series	-	-	-	-	11mm	-	-	Through Hole	-25°C	65°C	-

74275143	3237544 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, Radial Leaded, 961 ohm, 3 A, WE-UKW, 20 ohm, ± 25% WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each	1+ £0.766 5+ £0.735 10+ £0.704 25+ £0.617 50+ £0.53 200+ £0.482 1000+ £0.472 2000+ £0.463 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	Radial Leaded	961ohm	3A	-	-	WE-UKW	-	-	20ohm	± 25%	-	-	10mm	Through Hole	-25°C	125°C	-

B-7	3227457 Data Sheet + RoHS	Ferrite Bead, Toroid, 2.5 A, BEAD W Series KEMET You previously purchased this product. View in Order History	Each	1+ £0.712 10+ £0.488 50+ £0.445 100+ £0.401 500+ £0.357 1000+ £0.325 2000+ £0.318 4000+ £0.316 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	Toroid	-	2.5A	-	-	BEAD W Series	-	-	-	-	6mm	-	-	Through Hole	-25°C	65°C	-

BLM18KG601WH1D	3288805 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0603 [1608 Metric], 600 ohm, 1 A, BLM18K, 0.18 ohm, ± 25% MURATA You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3288805 3288805RL in Re-reel	10+ £0.088 100+ £0.07 500+ £0.047 1000+ £0.04 2000+ £0.039 4000+ £0.034 20000+ £0.033 40000+ £0.0323 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0603 [1608 Metric]	600ohm	1A	-	-	BLM18K	-	-	0.18ohm	± 25%	1.6mm	0.8mm	0.8mm	SMD	-55°C	125°C	AEC-Q200

KPZ1608SHR121ATDH5	3499696 Data Sheet + RoHS Date/Lot Code	Ferrite Bead, 0603 [1608 Metric], 120 ohm, 2 A, KPZ-HR, 0.045 ohm, ± 25% TDK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3499696 3499696RL in Re-reel	10+ £0.099 100+ £0.07 500+ £0.052 1000+ £0.042 2000+ £0.041 4000+ £0.037 20000+ £0.036 40000+ £0.035 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	0603 [1608 Metric]	120ohm	2A	-	-	KPZ-HR	-	-	0.045ohm	± 25%	1.6mm	0.8mm	0.6mm	SMD	-55°C	150°C	AEC-Q200