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We offer Cylindrical Core Ferrites with outer diameter from 0.75mm to 146mm, and length from 1.2mm to 200mm.

What are core ferrites?

In electronics, a ferrite core is a type of magnetic core made of ferrite on which the windings of electric transformers and other wound components such as inductors are formed. It is used for its properties of high magnetic permeability coupled with low electrical conductivity (which helps prevent eddy currents). Because of their comparatively low losses at high frequencies, they are extensively used in the cores of RF transformers and inductors in applications such as switched-mode power supplies, and ferrite loop stick antennas for AM radio receivers.

There are two broad applications for ferrite cores which differ in size and frequency of operation: signal transformers, which are of small size and higher frequencies, and power transformers, which are of large size and lower frequencies. Cores can also be classified by shape, such as toroidal cores, shell cores or cylindrical cores.

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Manufacturer Part No	Newark Part No.	Description / Manufacturer	Price for:	Price	Quantity	Outer Diameter	Product Length	Inner Diameter	Frequency Min	Frequency Max	Impedance	Product Range
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33RI 20X10X10	98K8789 Data Sheet + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 120 ohm, 10 mm Length, 25 MHz to 100 MHz, 10 mm ID, 20 mm OD MULTICOMP PRO You previously purchased this product. View in Order History	Each	1+ $0.817 10+ $0.724 100+ $0.561 500+ $0.454 1000+ $0.389 5000+ $0.343 10000+ $0.305 25000+ $0.293 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	20mm	10mm	10mm	25MHz	100MHz	120ohm	-
2643626502	22C5039 Data Sheet + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 348 ohm, 50.8 mm Length, 25 MHz to 300 MHz, 10.15 mm ID, 18.7 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $2.90 10+ $2.48 25+ $1.92 50+ $1.83 100+ $1.63 500+ $1.52 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	18.7mm	50.8mm	10.15mm	25MHz	300MHz	348ohm	-
74270061	08P2311 Data Sheet + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 430 ohm, 19.5 mm Length, 6.35 mm ID, 9.9 mm OD WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each	1+ $1.10 10+ $1.08 25+ $1.07 50+ $1.05 100+ $0.971 500+ $0.933 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	9.9mm	19.5mm	6.35mm	-	-	430ohm	WE-AFB Series
2631102002	85C4595 Data Sheet + RoHS	Ferrite Core, Cylindrical, 260 ohm, 28.6 mm Length, 1 MHz to 300 MHz, 12.8 mm ID, 25.9 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $1.89 10+ $1.73 25+ $1.60 50+ $1.60 100+ $1.48 500+ $1.48 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	25.9mm	28.6mm	12.8mm	1MHz	300MHz	280ohm	-
2643625102	99F6205 Data Sheet + RoHS	Ferrite Core, Cylindrical, 213 ohm, 28.6 mm Length, 25 MHz to 300 MHz, 7.9 mm ID, 16.25 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $0.893 10+ $0.819 25+ $0.756 50+ $0.756 100+ $0.702	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	16.25mm	28.6mm	7.9mm	25MHz	300MHz	240ohm	-

2643626402	99F7744 Data Sheet + RoHS	Ferrite Core, Cylindrical, 196 ohm, 28.6 mm Length, 25 MHz to 300 MHz, 10.15 mm ID, 18.7 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $0.555 10+ $0.555 25+ $0.555 50+ $0.555 100+ $0.555 500+ $0.555 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	18.7mm	28.6mm	10.15mm	25MHz	300MHz	220ohm	-

2643665702	93B2482 Data Sheet + RoHS	Ferrite Core, Cylindrical, 200 ohm, 28.6 mm Length, 25 MHz to 300 MHz, 9.5 mm ID, 17.45 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $0.789 10+ $0.789 25+ $0.668 50+ $0.668 100+ $0.668	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	17.45mm	28.6mm	9.5mm	25MHz	300MHz	255ohm	-

ROD10/200-4B1	06W1046 Data Sheet Data Sheet + RoHS Date/Lot Code	FERRITE CORE, CYLINDRICAL FERROXCUBE You previously purchased this product. View in Order History	Each	1+ $17.78 10+ $16.00 25+ $12.09 50+ $11.73 100+ $10.31 250+ $9.46 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	10mm	200mm	-	-	-	-	-

2643000101	26C0536 Data Sheet + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 40 ohm, 3.25 mm Length, 25 MHz to 300 MHz, 1.3 mm ID, 3.5 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $0.103 10+ $0.048 25+ $0.041 50+ $0.034 100+ $0.027 500+ $0.023 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	3.5mm	3.25mm	1.3mm	25MHz	300MHz	56ohm	-

ROD5/20-4B1	63R5828 Data Sheet + RoHS Date/Lot Code	FERRITE CORE, CYLINDRICAL FERROXCUBE You previously purchased this product. View in Order History	Each	10+ $0.338 25+ $0.281 50+ $0.22 100+ $0.185 500+ $0.154	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add	5mm	20mm	-	-	-	-	-

2661102002	60K7842 Data Sheet + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 190 ohm, 28.6 mm Length, 200 MHz to 1 GHz, 12.8 mm ID, 25.9 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $4.96 10+ $4.24 25+ $3.26 50+ $3.17 100+ $2.95	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	25.9mm	28.6mm	12.8mm	200MHz	1GHz	400ohm	-

33RI 31.5X16X19	98K8793 Data Sheet + RoHS	Ferrite Core, Cylindrical, 103 ohm, 16 mm Length, 25 MHz to 100 MHz, 19 mm ID, 31.5 mm OD MULTICOMP PRO You previously purchased this product. View in Order History	Each	1+ $2.28 10+ $2.02 100+ $1.57 500+ $1.27 1000+ $1.09 5000+ $0.955 10000+ $0.85 25000+ $0.814 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	31.5mm	16mm	19mm	25MHz	100MHz	103ohm	Multicomp Pro Ferrite Cores

74270035	88T6930 Data Sheet + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 731 ohm, 20 mm Length, 6.9 mm ID, 15.5 mm OD WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each	1+ $2.21 10+ $2.16 25+ $2.12 50+ $2.07 100+ $1.98	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	15.5mm	20mm	6.9mm	-	-	731ohm	WE-AFB Series

2643625002	99F4152 Data Sheet + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 113 ohm, 14.3 mm Length, 25 MHz to 300 MHz, 7.9 mm ID, 16.25 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $0.506 10+ $0.464 25+ $0.428 50+ $0.428 100+ $0.428 500+ $0.428 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	16.25mm	14.3mm	7.9mm	25MHz	300MHz	135ohm	-

74270032	08P2301 Data Sheet + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 1.001 kohm, 25 mm Length, 5 mm ID, 11.5 mm OD WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each	1+ $0.908 10+ $0.889 25+ $0.875 50+ $0.86 100+ $0.798 500+ $0.767 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	11.5mm	25mm	5mm	-	-	1.001kohm	WE-AFB Series

2873000202	02E8908 Data Sheet + RoHS Date/Lot Code	Ferrite Core, 14.35 mm Length, 3.8 mm ID FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $0.665 10+ $0.565 25+ $0.471 50+ $0.436 100+ $0.40 500+ $0.342 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	14.35mm	3.8mm	-	-	125ohm	-

2743002112	51R4497 + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 133 ohm, 8.9 mm Length, 25 MHz to 300 MHz, 0.65 mm ID, 3.5 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $0.218 25+ $0.129 50+ $0.118 100+ $0.109 250+ $0.10	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	3.5mm	8.9mm	0.65mm	25MHz	300MHz	134ohm	-

5952003801	85R4725 Data Sheet + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 12.7 mm Length, 35.35 mm ID, 60 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $13.17 10+ $11.25 25+ $8.38 50+ $7.44 100+ $7.24 250+ $7.04 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	60	12.7	35.35	-999	-999	-999	-888

2631540002	89C2322 Data Sheet + RoHS	Ferrite Core, Cylindrical, 300 ohm, 28.6 mm Length, 1 MHz to 300 MHz, 6.35 mm ID, 14.3 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $0.595 10+ $0.595 25+ $0.545 50+ $0.545 100+ $0.545 500+ $0.503 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	14.3mm	28.6mm	6.35mm	1MHz	300MHz	300ohm	-

594 3001 001	93B2476 Data Sheet + RoHS Date/Lot Code	43 TOROID, 29MM, 7.5MM FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $1.12 10+ $1.01 25+ $0.73 50+ $0.694 100+ $0.675	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	29	7.5	19	-999	-999	-999	-888

2643480002	99F6293 Data Sheet + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 236 ohm, 25.4 mm Length, 25 MHz to 300 MHz, 4.95 mm ID, 12.3 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $0.513 10+ $0.513 25+ $0.434 50+ $0.434 100+ $0.434	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	12.3mm	25.4mm	4.95mm	25MHz	300MHz	236ohm	-

74270033	08P2302 Data Sheet + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 501 ohm, 9.5 mm Length, 4.75 mm ID, 9.5 mm OD WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each	1+ $0.653 10+ $0.647 25+ $0.645 50+ $0.607 100+ $0.544 500+ $0.496 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	9.5mm	9.5mm	4.75mm	-	-	501ohm	WE-AFB Series

2631250202	84C8920 Data Sheet + RoHS Date/Lot Code	Ferrite Core, Cylindrical, 230 ohm, 25.4 mm Length, 2.95 mm ID, 6.35 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $0.345 10+ $0.239 25+ $0.222 50+ $0.208 100+ $0.194 500+ $0.182 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	6.35	25.4	2.95	-999	-999	230	-888

2643002402	42J4922 Data Sheet + RoHS	Ferrite Core, Cylindrical, 43 ohm, 5.05 mm Length, 25 MHz to 300 MHz, 5 mm ID, 9.65 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $0.077 10+ $0.07 25+ $0.07 50+ $0.07 100+ $0.065 500+ $0.065 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	9.65mm	5.05mm	5mm	25MHz	300MHz	56ohm	-

2643540002	88F5751 Data Sheet + RoHS	Ferrite Core, Cylindrical, 250 ohm, 28.6 mm Length, 25 MHz to 300 MHz, 6.35 mm ID, 14.3 mm OD FAIR-RITE You previously purchased this product. View in Order History	Each	1+ $0.615 10+ $0.615 25+ $0.52 50+ $0.52 100+ $0.52 500+ $0.483 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	14.3mm	28.6mm	6.35mm	25MHz	300MHz	255ohm	-