Ferrite Cores & Accessories

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Planar EE and EI Cores

Fair-Rite Planar EE and EI Cores, with their low profile, are suitable for board-level installation allowing assembly without the need for plastic coilformers and can also allow windings integrated into multi-level PCB's. Planar ER Cores, with their low mass and low profile, are suitable for surface mount installations in power filter and transformer applications. Planar Cores can be supplied with the center post gaped to mechanical specifications as well as an A_L value. Planar Cores are available in a range of sizes from EE14/7 to EE64/21, EI14/5 to EI64/15, and ER9.5 to ER14.5. They are available in 3 materials with Initial Permeability ranging from 2300 to 3000.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SEK) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Product	Type	Core	Core Size	Inductance	Tolerance	Core Material	Packaging
Ferrite Cores & Accessories 95 PlanarEI Core Set Ind 22200 nH 25% TO 7895400721 Fair-Rite 1: 177,27 kr 202In Stock	Mfr. Part No. 7895400721 Mouser Part No 623-7895400721	Fair-Rite	Ferrite Cores & Accessories 95 PlanarEI Core Set Ind 22200 nH 25% TO Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	202In Stock	177,27 kr 117,70 kr 95,06 kr 93,63 kr View 93,20 kr 90,45 kr	Min.: 1 Mult.: 1	78	Ferrite Cores	Ungapped	EI Core	64 x 51 x 10.35	22.2 uH	25 %	95	Bulk
Ferrite Cores & Accessories 95 Planar EE Core Ind 8700 nH 25% TOL 9495206002 Fair-Rite 1: 42,31 kr 238In Stock 1 248Expected 2027-03-01	Mfr. Part No. 9495206002 Mouser Part No 623-9495206002	Fair-Rite	Ferrite Cores & Accessories 95 Planar EE Core Ind 8700 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	238In Stock 1 248Expected 2027-03-01	42,31 kr 29,01 kr 24,62 kr 21,54 kr View 18,68 kr 18,57 kr	Min.: 1 Mult.: 1	94	Ferrite Cores	Ungapped	E Core	43.2 x 27.9 x 9.55	9.5 uH	25 %	95	Bulk
Ferrite Cores & Accessories 98 Planar EE Core Ind 6400 nH 25% TOL 9498204002 Fair-Rite 1: 24,29 kr 369In Stock	Mfr. Part No. 9498204002 Mouser Part No 623-9498204002	Fair-Rite	Ferrite Cores & Accessories 98 Planar EE Core Ind 6400 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	369In Stock	24,29 kr 16,81 kr 14,40 kr 12,64 kr View 11,10 kr 9,92 kr	Min.: 1 Mult.: 1	94	Ferrite Cores	Ungapped	E Core	31.75 x 6.35 x 20.35	6.4 uH	25 %	98	Bulk
Ferrite Cores & Accessories 78 Planar EE Core Ind 7300 nH 25% TOL 9478206002 Fair-Rite 1: 35,06 kr 56In Stock	Mfr. Part No. 9478206002 Mouser Part No 623-9478206002	Fair-Rite	Ferrite Cores & Accessories 78 Planar EE Core Ind 7300 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	56In Stock	35,06 kr 23,96 kr 20,44 kr 17,91 kr View 15,50 kr 15,39 kr	Min.: 1 Mult.: 1	94	Ferrite Cores	Ungapped	E Core	43.2 x 27.9 x 9.55	7.3 uH	25 %	78	Bulk
Ferrite Cores & Accessories 78 PlanarEI Core Set Ind 7200 nH 25% TOL 7878400421 Fair-Rite 1: 19,89 kr 522In Stock	Mfr. Part No. 7878400421 Mouser Part No 623-7878400421	Fair-Rite	Ferrite Cores & Accessories 78 PlanarEI Core Set Ind 7200 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	522In Stock	19,89 kr 13,74 kr 11,76 kr 10,40 kr View 9,14 kr 7,93 kr 7,87 kr	Min.: 1 Mult.: 1	78	Ferrite Cores	Ungapped	EI Core	31.75 x 20.32 x 6.35	7.2 uH	25 %	78	Bulk
Ferrite Cores & Accessories 95 PlanarEI Core Set Ind 8700 nH 25% TOL 7895400421 Fair-Rite 1: 21,87 kr 1 099In Stock 220On Order	Mfr. Part No. 7895400421 Mouser Part No 623-7895400421	Fair-Rite	Ferrite Cores & Accessories 95 PlanarEI Core Set Ind 8700 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	1 099In Stock 220On Order	21,87 kr 15,06 kr 12,86 kr 11,32 kr View 9,92 kr 8,84 kr 8,51 kr 8,19 kr 8,03 kr	Min.: 1 Mult.: 1	78	Ferrite Cores	Ungapped	EI Core	31.75 x 20.32 x 6.35	8.7 uH	25 %	95	Bulk
Ferrite Cores & Accessories 78 PlanarEI Core Set Ind 5400 nH 25% TOL 7878400321 Fair-Rite 1: 27,37 kr 629In Stock	Mfr. Part No. 7878400321 Mouser Part No 623-7878400321	Fair-Rite	Ferrite Cores & Accessories 78 PlanarEI Core Set Ind 5400 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	629In Stock	27,37 kr 19,01 kr 16,27 kr 14,29 kr View 12,53 kr 10,68 kr 10,40 kr 10,06 kr	Min.: 1 Mult.: 1	78	Ferrite Cores	Ungapped	EI Core	21.8 x 15.8 x 5.7	5.4 uH	25 %	78	Bulk
Ferrite Cores & Accessories 78 PlanarEI Core Set Ind 1440 nH 25% TOL 7878400121 Fair-Rite 1: 2,65 kr 274In Stock	Mfr. Part No. 7878400121 Mouser Part No 623-7878400121	Fair-Rite	Ferrite Cores & Accessories 78 PlanarEI Core Set Ind 1440 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	274In Stock	2,65 kr 2,48 kr	Min.: 1 Mult.: 1	78	Ferrite Cores	Ungapped	EI Core	14 x 3.5 x 5	1.44 uH	25 %	78	Bulk
Ferrite Cores & Accessories 98 PlanarEI Core Set Ind 1440 nH 25% TOL 7898400121 Fair-Rite 1: 8,61 kr 2 150In Stock	Mfr. Part No. 7898400121 Mouser Part No 623-7898400121	Fair-Rite	Ferrite Cores & Accessories 98 PlanarEI Core Set Ind 1440 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	2 150In Stock	8,61 kr 6,01 kr 5,17 kr 4,58 kr View 4,04 kr 3,41 kr 3,18 kr 3,02 kr	Min.: 1 Mult.: 1	78	Ferrite Cores	Ungapped	EI Core	14 x 5 x 3.5	1.44 uH	25 %	98	Bulk
Ferrite Cores & Accessories 78 Planar EE Core Ind 4500 nH 25% TOL 9478203002 Fair-Rite 1: 8,98 kr 814In Stock	Mfr. Part No. 9478203002 Mouser Part No 623-9478203002	Fair-Rite	Ferrite Cores & Accessories 78 Planar EE Core Ind 4500 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	814In Stock	8,98 kr 6,31 kr 5,43 kr 4,81 kr View 4,25 kr 3,56 kr 3,34 kr 3,18 kr	Min.: 1 Mult.: 1	94	Ferrite Cores	Ungapped	E Core	21.8 x 15.8 x 5.7	4.5 uH	25 %	78	Bulk
Ferrite Cores & Accessories 95 Planar EE Core Ind 3300 nH 25% TOL 9495202002 Fair-Rite 1: 10,68 kr 1 459In Stock	Mfr. Part No. 9495202002 Mouser Part No 623-9495202002	Fair-Rite	Ferrite Cores & Accessories 95 Planar EE Core Ind 3300 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	1 459In Stock	10,68 kr 7,44 kr 6,39 kr 5,67 kr View 5,01 kr 4,21 kr 3,93 kr 3,75 kr	Min.: 1 Mult.: 1	94	Ferrite Cores	Ungapped	E Core	18 x 4 x 10	3.3 uH	25 %	95	Bulk
Ferrite Cores & Accessories 98 Planar EE Core Ind 1100 nH 25% TOL 9498201002 Fair-Rite 1: 4,82 kr 2 135In Stock	Mfr. Part No. 9498201002 Mouser Part No 623-9498201002	Fair-Rite	Ferrite Cores & Accessories 98 Planar EE Core Ind 1100 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	2 135In Stock	4,82 kr 3,38 kr 2,92 kr 2,60 kr View 2,32 kr 1,97 kr 1,73 kr 1,51 kr	Min.: 1 Mult.: 1	94	Ferrite Cores	Ungapped	E Core	14 x 3.5 x 5	1.1 uH	25 %	98	Bulk
Ferrite Cores & Accessories 98 Planar EE Core Ind 2700 nH 25% TOL 9498202002 Fair-Rite 1: 8,32 kr 1 168In Stock	Mfr. Part No. 9498202002 Mouser Part No 623-9498202002	Fair-Rite	Ferrite Cores & Accessories 98 Planar EE Core Ind 2700 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	1 168In Stock	8,32 kr 5,79 kr 4,98 kr 4,42 kr View 3,90 kr 3,28 kr 3,07 kr 2,92 kr	Min.: 1 Mult.: 1	94	Ferrite Cores	Ungapped	E Core	18 x 4 x 10	2.7 uH	25 %	98	Bulk
Ferrite Cores & Accessories 78 Planar EE Core Ind 6200 nH 25% TOL 9478204002 Fair-Rite 1: 24,51 kr 379In Stock	Mfr. Part No. 9478204002 Mouser Part No 623-9478204002	Fair-Rite	Ferrite Cores & Accessories 78 Planar EE Core Ind 6200 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	379In Stock	24,51 kr 16,92 kr 14,51 kr 12,75 kr View 11,10 kr 9,92 kr	Min.: 1 Mult.: 1	94	Ferrite Cores	Ungapped	E Core	31.75 x 20.32 x 6.35	6.2 uH	25 %	78	Bulk
Ferrite Cores & Accessories 78 Planar EE Core Ind 8200 nH 25% TOL 9478205002 Fair-Rite 1: 33,19 kr 266In Stock	Mfr. Part No. 9478205002 Mouser Part No 623-9478205002	Fair-Rite	Ferrite Cores & Accessories 78 Planar EE Core Ind 8200 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	266In Stock	33,19 kr 22,64 kr 19,23 kr 16,92 kr View 14,62 kr 14,51 kr	Min.: 1 Mult.: 1	94	Ferrite Cores	Ungapped	E Core	38.1 x 25.4 x 8.25	8.2 uH	25 %	78	Bulk
Ferrite Cores & Accessories 95 Planar EE Core Ind 10100 nH 25% TOL 9495205002 Fair-Rite 1: 39,56 kr 51In Stock	Mfr. Part No. 9495205002 Mouser Part No 623-9495205002	Fair-Rite	Ferrite Cores & Accessories 95 Planar EE Core Ind 10100 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	51In Stock	39,56 kr 27,15 kr 22,97 kr 20,11 kr View 17,47 kr 17,36 kr	Min.: 1 Mult.: 1	94	Ferrite Cores	Ungapped	E Core	38.1 x 25.4 x 8.25	10.1 uH	25 %	95	Bulk
Ferrite Cores & Accessories 95 PlanarEI Core Set Ind 6200 nH 25% TOL 7895400321 Fair-Rite 1: 17,36 kr 378Expected 2026-11-03	Mfr. Part No. 7895400321 Mouser Part No 623-7895400321	Fair-Rite	Ferrite Cores & Accessories 95 PlanarEI Core Set Ind 6200 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	378Expected 2026-11-03	17,36 kr 11,98 kr 10,40 kr 9,25 kr View 8,12 kr 6,75 kr 6,58 kr	Min.: 1 Mult.: 1	78	Ferrite Cores	Ungapped	EI Core	21.8 x 15.8 x 5.7	6.2 uH	25 %	95	Bulk
Ferrite Cores & Accessories 78 PlanarEI Core Set Ind 16900 nH 25% TOL 7878400721 Fair-Rite 1: 131,44 kr Non-Stocked Lead-Time 20 Weeks	Mfr. Part No. 7878400721 Mouser Part No 623-7878400721	Fair-Rite	Ferrite Cores & Accessories 78 PlanarEI Core Set Ind 16900 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	Non-Stocked Lead-Time 20 Weeks	131,44 kr 95,17 kr 76,49 kr 74,07 kr	Min.: 1 Mult.: 1	78	Ferrite Cores	Ungapped	EI Core	64 x 51 x 10.35	16.9 uH	25 %	78	Bulk
Ferrite Cores & Accessories 95 PlanarEI Core Set Ind 1600 nH 25% TOL 7895400121 Fair-Rite 1: 2,74 kr Non-Stocked	Mfr. Part No. 7895400121 Mouser Part No 623-7895400121	Fair-Rite	Ferrite Cores & Accessories 95 PlanarEI Core Set Ind 1600 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores		Non-Stocked	2,74 kr 1,92 kr 1,66 kr 1,49 kr View 1,32 kr 1,13 kr 1,00 kr 0,868 kr 0,769 kr	Min.: 1 Mult.: 1	78	Ferrite Cores	Ungapped	EI Core	14 x 5 x 3.5	1.6 uH	25 %	95	Bulk
Ferrite Cores & Accessories 98 PlanarEI Core Set Ind 5500 nH 25% TOL 7898400321 Fair-Rite 1 260: 6,89 kr Non-Stocked Lead-Time 20 Weeks	Mfr. Part No. 7898400321 Mouser Part No 623-7898400321	Fair-Rite	Ferrite Cores & Accessories 98 PlanarEI Core Set Ind 5500 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	Non-Stocked Lead-Time 20 Weeks	6,89 kr	Min.: 1 260 Mult.: 630	78	Ferrite Cores	Ungapped	EI Core	21.8 x 15.8 x 5.7	5.5 uH	25 %	98	Bulk
Ferrite Cores & Accessories 98 PlanarEI Core Set Ind 7300 nH 25% TOL 7898400421 Fair-Rite 1 320: 7,66 kr Non-Stocked Lead-Time 20 Weeks	Mfr. Part No. 7898400421 Mouser Part No 623-7898400421	Fair-Rite	Ferrite Cores & Accessories 98 PlanarEI Core Set Ind 7300 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	Non-Stocked Lead-Time 20 Weeks	7,66 kr	Min.: 1 320 Mult.: 220	78	Ferrite Cores	Ungapped	EI Core		7.3 uH	25 %	98	Bulk
Ferrite Cores & Accessories 78 Planar EE Core Ind 2600 nH 25% TOL 9478202002 Fair-Rite 1: 9,17 kr Non-Stocked Lead-Time 20 Weeks	Mfr. Part No. 9478202002 Mouser Part No 623-9478202002	Fair-Rite	Ferrite Cores & Accessories 78 Planar EE Core Ind 2600 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	Non-Stocked Lead-Time 20 Weeks	9,17 kr 6,37 kr 5,48 kr 4,87 kr View 4,29 kr 3,60 kr 3,37 kr 3,21 kr	Min.: 1 Mult.: 1	94	Ferrite Cores	Ungapped	E Core	18 x 10 x 4	2.6 uH	25 %	78	Bulk
Ferrite Cores & Accessories 78 Planar EE Core Ind 14200 nH 25% TOL 9478207002 Fair-Rite 90: 85,28 kr Non-Stocked Lead-Time 20 Weeks	Mfr. Part No. 9478207002 Mouser Part No 623-9478207002	Fair-Rite	Ferrite Cores & Accessories 78 Planar EE Core Ind 14200 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	Non-Stocked Lead-Time 20 Weeks	85,28 kr	Min.: 90 Mult.: 30	94	Ferrite Cores	Ungapped	E Core	64 x 51 x 10.35	14.8 uH	25 %	78	Bulk
Ferrite Cores & Accessories 95 Planar EE Core Ind 7600 nH 25% TOL 9495204002 Fair-Rite 1: 29,34 kr Non-Stocked Lead-Time 20 Weeks	Mfr. Part No. 9495204002 Mouser Part No 623-9495204002	Fair-Rite	Ferrite Cores & Accessories 95 Planar EE Core Ind 7600 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	Non-Stocked Lead-Time 20 Weeks	29,34 kr 20,33 kr 17,36 kr 15,28 kr View 13,41 kr 11,87 kr	Min.: 1 Mult.: 1	94	Ferrite Cores	Ungapped	E Core	31.75 x 20.32 x 6.35	7.6 uH	25 %	95	Bulk
Ferrite Cores & Accessories 98 Planar EE Core Ind 4600 nH 25% TOL 9498203002 Fair-Rite 2 520: 3,49 kr Non-Stocked Lead-Time 20 Weeks	Mfr. Part No. 9498203002 Mouser Part No 623-9498203002	Fair-Rite	Ferrite Cores & Accessories 98 Planar EE Core Ind 4600 nH 25% TOL Learn More about Fair-Rite fairrite planar ee ei cores	Datasheet	Non-Stocked Lead-Time 20 Weeks	3,49 kr	Min.: 2 520 Mult.: 630	94	Ferrite Cores	Ungapped	E Core	21.8 x 5.7 x 15.8	4.6 uH	25 %	98	Bulk