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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	Order Code	Description / Manufacturer	Availability	Price For	Price (Incl JCT)	Quantity	Ferrite Bead Case / Package	Outer Diameter	Outer Diameter	Product Length	Inner Diameter	Frequency Min	Frequency Max	Impedance	Product Range	Ferrite Mounting
							Sort Acending Sort Decending	Sort Acending Sort Decending	Sort Acending Sort Decending	Sort Acending Sort Decending	Sort Acending Sort Decending	Sort Acending Sort Decending	Sort Acending Sort Decending	Sort Acending Sort Decending	Sort Acending Sort Decending	Sort Acending Sort Decending
2631102002	1463430 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	249 available for 2 - 3 business days delivery 12,294 available for 3 - 4 business days delivery 20,931 available for 8 - 9 business days delivery + Check Stock & Lead Times 249 deliver in 2-3 business days from our SG warehouse :(SG stock) Order before 17:00 Mon-Fri (excluding National Holidays) 12,294 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays) 20,931 deliver in 8-9 business days from our US warehouse :(US stock) Order before 17:00 Mon-Fri (excluding National Holidays) More stock available week commencing 11/17/25	Each	1+ ¥370.75 (¥407.83) 5+ ¥331.73 (¥364.90) 10+ ¥292.70 (¥321.97) 25+ ¥238.66 (¥262.53) 50+ ¥225.15 (¥247.67) 159+ ¥225.12 (¥247.63) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	25.9mm	-	28.6mm	12.8mm	1MHz	300MHz	260ohm	-	-
33RI 31.5X16X19	9640436 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	238 available for 2 - 3 business days delivery 3,036 available for 3 - 4 business days delivery + Check Stock & Lead Times 238 deliver in 2-3 business days from our SG warehouse :(SG stock) Order before 17:00 Mon-Fri (excluding National Holidays) 3,036 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays) More stock available week commencing 12/8/25	Each	1+ ¥484.24 (¥532.66) 10+ ¥284.84 (¥313.32) 25+ ¥246.20 (¥270.82) 50+ ¥205.50 (¥226.05) 100+ ¥179.26 (¥197.19) 224+ ¥159.52 (¥175.47) 1120+ ¥134.29 (¥147.72) 2240+ ¥116.18 (¥127.80) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	31.5mm	-	16mm	19mm	25MHz	100MHz	103ohm	-	-
2643102002	1703108 Data Sheet + RoHS	Ferrite Core, Cylindrical, 235 ohm, 28.6 mm Length, 25 MHz to 300 MHz, 12.8 mm ID, 25.9 mm OD FAIR-RITE You previously purchased this product. View in Order History	685 available for 2 - 3 business days delivery 985 available for 3 - 4 business days delivery 14,763 available for 8 - 9 business days delivery + Check Stock & Lead Times 685 deliver in 2-3 business days from our SG warehouse :(SG stock) Order before 17:00 Mon-Fri (excluding National Holidays) 985 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays) 14,763 deliver in 8-9 business days from our US warehouse :(US stock) Order before 17:00 Mon-Fri (excluding National Holidays) [636 more will be available on 8/12/25, 636 more will be available on 11/3/25] More stock available week commencing 11/17/25	Each	1+ ¥393.27 (¥432.60) 10+ ¥297.20 (¥326.92) 25+ ¥231.16 (¥254.28) 50+ ¥214.65 (¥236.12) 100+ ¥203.85 (¥224.24) 212+ ¥193.04 (¥212.34) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	25.9mm	-	28.6mm	12.8mm	25MHz	300MHz	235ohm	-	-
TUB4/2/5-3B1	273156 Data Sheet + RoHS	Ferrite Core, Cylindrical, 5 mm Length, 2 mm ID, 4 mm OD FERROXCUBE You previously purchased this product. View in Order History	4,540 available for 2 - 3 business days delivery 75,811 available for 3 - 4 business days delivery + Check Stock & Lead Times 4,540 deliver in 2-3 business days from our SG warehouse :(SG stock) Order before 17:00 Mon-Fri (excluding National Holidays) 75,811 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays) [60,000 more will be available on 8/10/25] More stock available week commencing 9/22/25	Each	10+ ¥112.43 (¥123.67) 300+ ¥71.58 (¥78.74) 3000+ ¥33.62 (¥36.98) 10000+ ¥19.60 (¥21.56)	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	4mm	-	5mm	2mm	-	-	-	-	-
2643002402.	1781269 Data Sheet + RoHS	FERRITE CORE, CYLINDRICAL, 43OHM/100MHZ, FAIR-RITE You previously purchased this product. View in Order History	1,041 available for 2 - 3 business days delivery + Check Stock & Lead Times 1,041 deliver in 2-3 business days from our SG warehouse :(SG stock) Order before 17:00 Mon-Fri (excluding National Holidays) More stock available week commencing 11/17/25	Each	1+ ¥37.53 (¥41.28) 10+ ¥27.32 (¥30.05) 100+ ¥18.62 (¥20.48) 500+ ¥13.06 (¥14.37) 1000+ ¥11.56 (¥12.72) 2000+ ¥11.33 (¥12.46) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	9.65mm	9.65mm	-	5mm	-	-	56ohm	-	-

B64290L0082X038	3770721 Data Sheet + RoHS	Ferrite Core, Cylindrical, 20 mm Length, 30 mm ID, 50 mm OD, B64290 Series EPCOS You previously purchased this product. View in Order History		Each	1+ ¥2,697.30 (¥2,967.03) 5+ ¥2,235.75 (¥2,459.33) 10+ ¥1,774.19 (¥1,951.61) 25+ ¥1,767.94 (¥1,944.73) 50+ ¥1,761.69 (¥1,937.86) 120+ ¥1,755.43 (¥1,930.97) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	51.8mm	-	20mm	30mm	-	-	-	B64290L0082 Series	-

33RH17.5X28.5X9.5	9640533 Data Sheet + RoHS	Ferrite Core, Cylindrical, 180 ohm, 28.5 mm Length, 9.5 mm ID, 17.5 mm OD MULTICOMP PRO You previously purchased this product. View in Order History		Each	1+ ¥320.13 (¥352.14) 10+ ¥190.55 (¥209.61) 50+ ¥132.44 (¥145.68) 100+ ¥110.14 (¥121.15) 200+ ¥96.61 (¥106.27) 440+ ¥85.94 (¥94.53) 2200+ ¥72.41 (¥79.65) 4400+ ¥62.70 (¥68.97) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	17.5mm	-	28.5mm	9.5mm	-	-	180ohm	-	-

2673000801	6513438 Data Sheet + RoHS	FERRITE CORE, CYLINDRICAL FAIR-RITE You previously purchased this product. View in Order History		Each	1+ ¥60.04 (¥66.04) 10+ ¥42.48 (¥46.73) 100+ ¥28.67 (¥31.54) 500+ ¥20.87 (¥22.96) 1000+ ¥19.52 (¥21.47) 2000+ ¥19.13 (¥21.04) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	7.5mm	-	-	-	-	-	-	-

5943002721	3922102 + RoHS	TRANSFORMER CORE, TOROID, 43 FAIR-RITE You previously purchased this product. View in Order History		Each	1+ ¥752.01 (¥827.21) 10+ ¥556.88 (¥612.57) 100+ ¥399.27 (¥439.20) 500+ ¥379.76 (¥417.74) 1000+ ¥378.26 (¥416.09) 2000+ ¥376.76 (¥414.44) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	36.8mm	-	-	-	-	-	-	-

74270095	1635663 Data Sheet + RoHS	Ferrite Core, Cylindrical, 577 ohm, 28.5 mm Length, 18 mm ID, 28 mm OD, WE-AFB Series WURTH ELEKTRONIK You previously purchased this product. View in Order History		Each	1+ ¥651.44 (¥716.58) 5+ ¥643.94 (¥708.33) 10+ ¥636.43 (¥700.07) 20+ ¥564.69 (¥621.16) 40+ ¥556.58 (¥612.24) 63+ ¥548.47 (¥603.32) 126+ ¥521.05 (¥573.16) 315+ ¥493.63 (¥542.99) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	28mm	-	28.5mm	18mm	-	-	577ohm	WE-AFB Series	-

2643665702	1651720 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+ ¥213.15 (¥234.47) 10+ ¥159.11 (¥175.02) 50+ ¥111.68 (¥122.85) 100+ ¥99.82 (¥109.80) 200+ ¥99.60 (¥109.56) 376+ ¥99.38 (¥109.32) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	17.45mm	-	28.6mm	9.5mm	25MHz	300MHz	200ohm	-	-

33RH14.2X28.5X8	9640525 Data Sheet + RoHS	Ferrite Core, Cylindrical, 128 ohm, 28.5 mm Length, 8 mm ID, 14.2 mm OD MULTICOMP PRO You previously purchased this product. View in Order History		Each	1+ ¥183.12 (¥201.43) 10+ ¥109.38 (¥120.32) 50+ ¥76.03 (¥83.63) 100+ ¥63.27 (¥69.60) 200+ ¥55.26 (¥60.79) 550+ ¥49.36 (¥54.30) 2750+ ¥41.54 (¥45.69) 5500+ ¥35.83 (¥39.41) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	14.2mm	-	28.5mm	8mm	-	-	150ohm	-	-

74270057	1635662 Data Sheet + RoHS	Ferrite Core, Cylindrical, 808 ohm, 50.8 mm Length, 11.5 mm ID, 19 mm OD, WE-AFB Series WURTH ELEKTRONIK You previously purchased this product. View in Order History		Each	1+ ¥673.95 (¥741.35) 5+ ¥666.45 (¥733.10) 10+ ¥658.94 (¥724.83) 20+ ¥645.44 (¥709.98) 40+ ¥631.93 (¥695.12) 60+ ¥604.91 (¥665.40) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	19mm	-	50.8mm	11.5mm	-	-	808ohm	WE-AFB Series	-

7427009	1635660 Data Sheet + RoHS	Ferrite Core, Cylindrical, 632 ohm, 28.5 mm Length, 9.5 mm ID, 17.5 mm OD, WE-AFB Series WURTH ELEKTRONIK You previously purchased this product. View in Order History		Each	1+ ¥217.65 (¥239.42) 5+ ¥207.15 (¥227.87) 10+ ¥196.64 (¥216.30) 20+ ¥186.13 (¥204.74) 40+ ¥175.62 (¥193.18) 88+ ¥165.11 (¥181.62) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	17.5mm	-	28.5mm	9.5mm	-	-	632ohm	WE-AFB Series	-

74270055	2082484 Data Sheet + RoHS	Ferrite Core, Cylindrical, 554 ohm, 28.5 mm Length, 10.2 mm ID, 18.6 mm OD, WE-AFB Series WURTH ELEKTRONIK You previously purchased this product. View in Order History		Each	1+ ¥418.78 (¥460.66) 5+ ¥413.53 (¥454.88) 10+ ¥408.28 (¥449.11) 25+ ¥406.78 (¥447.46) 50+ ¥391.77 (¥430.95) 128+ ¥279.66 (¥307.63) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	18.6mm	-	28.5mm	10.2mm	-	-	554ohm	WE-AFB Series	-

TUB3.9/1.5/5.5-4B1	242482 Data Sheet + RoHS	Ferrite Core, Cylindrical, 5.5 mm Length, 1.5 mm ID, 3.92 mm OD FERROXCUBE You previously purchased this product. View in Order History		Each	10+ ¥18.11 (¥19.92) 500+ ¥15.85 (¥17.44) 2500+ ¥13.13 (¥14.44) 10000+ ¥11.77 (¥12.95) 25500+ ¥10.87 (¥11.96) 51000+ ¥10.14 (¥11.15) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	3.9mm	-	5.5mm	1.5mm	-	-	-	-	-

CST16/7.9/29-4S2	898480 Data Sheet + RoHS	Ferrite Core, Cylindrical, 213 ohm, 28.6 mm Length, 7.9 mm ID, 16.25 mm OD FERROXCUBE You previously purchased this product. View in Order History		Each	1+ ¥222.09 (¥244.30) 50+ ¥194.33 (¥213.76) 100+ ¥161.02 (¥177.12) 250+ ¥144.36 (¥158.80) 500+ ¥133.26 (¥146.59) 1020+ ¥132.88 (¥146.17) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	16.25mm	-	28.6mm	7.9mm	-	-	213ohm	-	-

33RI 16X14X10	9640380 Data Sheet + RoHS	Ferrite Core, Cylindrical, 125 ohm, 14 mm Length, 25 MHz to 100 MHz, 10 mm ID, 16 mm OD MULTICOMP PRO You previously purchased this product. View in Order History		Each	1+ ¥98.88 (¥108.77) 50+ ¥36.89 (¥40.58) 100+ ¥31.95 (¥35.15) 250+ ¥31.62 (¥34.78)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	16mm	-	14mm	10mm	25MHz	100MHz	125ohm	-	-

2643005701.	1417085 Data Sheet + RoHS	FERRITE CORE, CYLINDRICAL, 120 OHM/100MH FAIR-RITE You previously purchased this product. View in Order History		Each	1+ ¥25.52 (¥28.07) 10+ ¥14.71 (¥16.18) 100+ ¥13.21 (¥14.53) 500+ ¥8.80 (¥9.68)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	5.1mm	-	-	-	-	-	-	-

2643001601	4154594 Data Sheet + RoHS	Cylindrical Core, 25MHz to 300MHz, 46ohm, 1.65mm ID, 3.55mm OD, 3.3mm L FAIR-RITE You previously purchased this product. View in Order History		Each	10+ ¥8.11 (¥8.92) 250+ ¥4.36 (¥4.80) 1000+ ¥3.91 (¥4.30) 5000+ ¥3.78 (¥4.16) 15000+ ¥3.64 (¥4.00) 30000+ ¥3.50 (¥3.85) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	3.55mm	-	3.3mm	1.65mm	25MHz	300MHz	46ohm	-	-

ESD-R-12M-H	2945440 Data Sheet + RoHS	Ferrite Core, 10 MHz, 9 mm, 5 mm, ESD-R-H Series KEMET You previously purchased this product. View in Order History		Each	1+ ¥155.84 (¥171.42) 10+ ¥105.19 (¥115.71) 50+ ¥99.74 (¥109.71) 100+ ¥89.05 (¥97.96) 200+ ¥83.82 (¥92.20) 500+ ¥78.59 (¥86.45) 1000+ ¥72.79 (¥80.07) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	15mm	-	9mm	5mm	-	10MHz	-	ESD-R-H Series	-

ESD-R-47SR-P	2945437 Data Sheet + RoHS	Ferrite Core, 10 MHz, 16 mm, 26 mm, ESD-R-SR Series KEMET You previously purchased this product. View in Order History		Each	1+ ¥2,015.96 (¥2,217.56) 20+ ¥1,851.57 (¥2,036.73) 60+ ¥1,687.17 (¥1,855.89) 100+ ¥1,522.76 (¥1,675.04) 500+ ¥1,358.37 (¥1,494.21) 1000+ ¥1,193.97 (¥1,313.37) 2000+ ¥1,163.30 (¥1,279.63) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	48.5mm	-	16mm	26mm	-	10MHz	-	ESD-R-SR Series	-

782013110508	3551466 Data Sheet + RoHS	Ferrite Cylindrical Core, 345 ohm, 11.5 mm ID, 19 mm OD, 50.8 mm Length WURTH ELEKTRONIK You previously purchased this product. View in Order History		Each	1+ ¥911.11 (¥1,002.22) 5+ ¥902.11 (¥992.32) 10+ ¥893.10 (¥982.41) 20+ ¥875.09 (¥962.60) 40+ ¥857.08 (¥942.79) 60+ ¥821.05 (¥903.16) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	19mm	-	50.8mm	11.5mm	-	-	345ohm	WE-AEFA Series	-

28B0296-000	3605017 Data Sheet + RoHS	Ferrite Core, Cylindrical, 136 ohm, 30 MHz to 500 MHz, 7.54 mm Length, 2.39 mm ID, 7.52 mm OD LAIRD You previously purchased this product. View in Order History		Each	10+ ¥25.05 (¥27.56) 100+ ¥22.38 (¥24.62) 250+ ¥19.48 (¥21.43) 500+ ¥17.70 (¥19.47) 1000+ ¥15.03 (¥16.53) 2500+ ¥14.03 (¥15.43) 6000+ ¥13.92 (¥15.31) 12000+ ¥13.03 (¥14.33) More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	7.52mm	-	7.54mm	2.39mm	30MHz	500MHz	136ohm	28B Series	-

74270093	2082486 Data Sheet + RoHS	Ferrite Core, Cylindrical, 648 ohm, 25 mm Length, 10.7 mm ID, 17.5 mm OD, WE-AFB Series WURTH ELEKTRONIK You previously purchased this product. View in Order History		Each	1+ ¥331.53 (¥364.68) 5+ ¥327.30 (¥360.03) 10+ ¥323.06 (¥355.37) 25+ ¥316.72 (¥348.39) 50+ ¥310.37 (¥341.41) 128+ ¥296.26 (¥325.89) 640+ ¥269.46 (¥296.41) 1280+ ¥268.05 (¥294.86) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	17.5mm	-	25mm	10.7mm	-	-	648ohm	WE-AFB Series	-