.hide-partial { max-height: none; } .show-more { display: none; }

Ferrite Toroids / Ferrite Rings

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 970

Applied Filters:

Manufacturer

Product

Inside Diameter

Outside Diameter

Inside Length

Outside Length

Inside Height

Outside Height

Series

Packaging

Core Material

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Ferrite Toroids / Ferrite Rings 16uH@100kHz Nano CMC Core 75x55x20BKT

FT-3KM F7555GB
Proterial
1: S/365.66
179In Stock

Mfr. Part #
FT-3KM F7555GB

Mouser Part #
205-FT-3KMF7555GB

Proterial

Ferrite Toroids / Ferrite Rings 16uH@100kHz Nano CMC Core 75x55x20BKT

179In Stock

S/365.66

S/336.58

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

51 mm

79 mm

FT-3KM F

Finemet

Ferrite Toroids / Ferrite Rings 43 TOROID T100/55/13-43

5943015901
Fair-Rite
1: S/155.04
817In Stock

Mfr. Part #
5943015901

Mouser Part #
623-5943015901

Fair-Rite

Ferrite Toroids / Ferrite Rings 43 TOROID T100/55/13-43

Learn More

817In Stock

S/155.04

S/113.62

S/105.56

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

Bulk

Ferrite Toroids / Ferrite Rings 20uH@100kHz Nano CMC Core42x25x15 3PH

FT-3KM N4225E
Proterial
1: S/83.57
150In Stock

Mfr. Part #
FT-3KM N4225E

Mouser Part #
205-FT-3KMN4225E

Proterial

Ferrite Toroids / Ferrite Rings 20uH@100kHz Nano CMC Core42x25x15 3PH

Datasheet

150In Stock

S/83.57

S/57.10

S/50.87

S/48.34

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

21 mm

46 mm

FT-3KM N

Finemet

Ferrite Toroids / Ferrite Rings 52 Toroid 12.7x60MM

5952003801
Fair-Rite
1: S/49.08
8,612In Stock

Mfr. Part #
5952003801

Mouser Part #
623-5952003801

Fair-Rite

Ferrite Toroids / Ferrite Rings 52 Toroid 12.7x60MM

Learn More

8,612In Stock

S/49.08

S/34.76

S/28.26

S/25.77

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

35.35 mm

60 mm

12.7 mm

Tray

Ferrite Toroids / Ferrite Rings 14uH@100kHz Nano CMC Core 100x80x20

FT-3KL F10080G
Proterial
1: S/499.87
16In Stock

Mfr. Part #
FT-3KL F10080G

Mouser Part #
205-FT-3KLF10080G

Proterial

Ferrite Toroids / Ferrite Rings 14uH@100kHz Nano CMC Core 100x80x20

16In Stock

S/499.87

S/460.09

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

76 mm

104 mm

25 mm

FT-3KL F

Finemet

Ferrite Toroids / Ferrite Rings 17mmOD x 10mmID DISTGAP AMORPHS CORE

MP1710MDGC
Proterial
1: S/13.74
1,075In Stock

Mfr. Part #
MP1710MDGC

Mouser Part #
205-MP1710MDGC

Proterial

Ferrite Toroids / Ferrite Rings 17mmOD x 10mmID DISTGAP AMORPHS CORE

Datasheet

1,075In Stock

S/13.74

S/9.42

S/8.02

S/7.08

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

12.16 mm

18.68 mm

11.05 mm

Distributed Gap Core

Metglas Alloy

Ferrite Toroids / Ferrite Rings 21.18mmOD x 11.05mmID HI PM AMORPHS CORE

MP1906P4AF
Proterial
1: S/40.91
521In Stock
1,750On Order

Mfr. Part #
MP1906P4AF

Mouser Part #
205-MP1906P4AF

Proterial

Ferrite Toroids / Ferrite Rings 21.18mmOD x 11.05mmID HI PM AMORPHS CORE

Datasheet

521In Stock

1,750On Order

S/40.91

S/29.04

S/23.28

S/19.77

Quote

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

11.05 mm

21.18 mm

8.31 mm

2714A

Metglas Alloy

Ferrite Toroids / Ferrite Rings 78 TOROID 12.7mm 61mm

5978003801
Fair-Rite
1: S/38.19
3,744In Stock

Mfr. Part #
5978003801

Mouser Part #
623-5978003801

Fair-Rite

Ferrite Toroids / Ferrite Rings 78 TOROID 12.7mm 61mm

Learn More

3,744In Stock

S/38.19

S/30.60

S/25.89

S/22.73

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

35.55 mm

61 mm

12.7 mm

Bulk

Ferrite Toroids / Ferrite Rings 24uH@100kHz Nano CMC Core 60x45x20

FT-3K50T F6045GS
Proterial
1: S/156.36
62In Stock

Mfr. Part #
FT-3K50T F6045GS

Mouser Part #
205-FT-3K50TF6045GS

Proterial

Ferrite Toroids / Ferrite Rings 24uH@100kHz Nano CMC Core 60x45x20

Learn More

62In Stock

S/156.36

S/121.60

S/107.32

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

40.3 mm

64.7 mm

26 mm

FT-3K50T F

Finemet

Ferrite Toroids / Ferrite Rings 15uH@100kHz Nano CMC Core110x80x20BKT

FT-3KL F11080GB
Proterial
1: S/838.37
13In Stock

Mfr. Part #
FT-3KL F11080GB

Mouser Part #
205-FT-3KLF11080GB

Proterial

Ferrite Toroids / Ferrite Rings 15uH@100kHz Nano CMC Core110x80x20BKT

13In Stock

S/838.37

S/771.65

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

FT-3KL F

Finemet

Ferrite Toroids / Ferrite Rings 67 TOROID

5967000101
Fair-Rite
1: S/1.09
30,021In Stock

Mfr. Part #
5967000101

Mouser Part #
623-5967000101

Fair-Rite

Ferrite Toroids / Ferrite Rings 67 TOROID

Learn More

30,021In Stock

S/1.09

S/0.732

S/0.634

S/0.568

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

3.05 mm

5.95 mm

1.65 mm

Bulk

Ferrite Toroids / Ferrite Rings 68 Toroid 12.70x7.90x6.35MM

5968001101
Fair-Rite
1: S/4.75
17,889In Stock

Mfr. Part #
5968001101

Mouser Part #
623-5968001101

Fair-Rite

Ferrite Toroids / Ferrite Rings 68 Toroid 12.70x7.90x6.35MM

Learn More

17,889In Stock

S/4.75

S/3.30

S/2.84

S/2.51

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Bulk

Ferrite Toroids / Ferrite Rings 52 TOROID

5952020401
Fair-Rite
1: S/3.66
5,918In Stock

Mfr. Part #
5952020401

Mouser Part #
623-5952020401

Fair-Rite

Ferrite Toroids / Ferrite Rings 52 TOROID

Learn More

5,918In Stock

S/3.66

S/2.90

S/2.68

S/2.47

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

6.99 mm

12.6 mm

4.9 mm

Bulk

Ferrite Toroids / Ferrite Rings 15uH@100kHz Nano CMC Core 75x55x20

FT-3KL F7555G
Proterial
1: S/210.27
46In Stock
150On Order

Mfr. Part #
FT-3KL F7555G

Mouser Part #
205-FT-3KLF7555G

Proterial

Ferrite Toroids / Ferrite Rings 15uH@100kHz Nano CMC Core 75x55x20

46In Stock

150On Order

S/210.27

S/171.11

S/153.79

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

51 mm

79 mm

25 mm

FT-3KL F

Finemet

Ferrite Toroids / Ferrite Rings 15uH@100kHz Nano CMC Core 60x45x20BKT

FT-3KM F6045GB
Proterial
1: S/153.99
172In Stock
390Expected 9/18/2026

Mfr. Part #
FT-3KM F6045GB

Mouser Part #
205-FT-3KMF6045GB

Proterial

Ferrite Toroids / Ferrite Rings 15uH@100kHz Nano CMC Core 60x45x20BKT

172In Stock

390Expected 9/18/2026

S/153.99

S/119.73

S/105.68

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

41 mm

64 mm

FT-3KM F

Finemet

Ferrite Toroids / Ferrite Rings 52 TOROID

5952020501
Fair-Rite
1: S/5.02
16,422In Stock

Mfr. Part #
5952020501

Mouser Part #
623-5952020501

Fair-Rite

Ferrite Toroids / Ferrite Rings 52 TOROID

Learn More

16,422In Stock

S/5.02

S/3.51

S/3.01

S/2.67

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

7.8 mm

12.45 mm

6.35 mm

Bulk

Ferrite Toroids / Ferrite Rings 80 TOROID

5980003801
Fair-Rite
1: S/55.55
114In Stock

Mfr. Part #
5980003801

Mouser Part #
623-5980003801

Fair-Rite

Ferrite Toroids / Ferrite Rings 80 TOROID

Datasheet

114In Stock

S/55.55

S/42.55

S/34.18

S/31.84

S/31.72

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Tray

Ferrite Toroids / Ferrite Rings 73 Multi Aperture Z = 115OHMS @ 10MHZ

2873001802
Fair-Rite
1: S/1.83
17,032In Stock

Mfr. Part #
2873001802

Mouser Part #
623-2873001802

Fair-Rite

Ferrite Toroids / Ferrite Rings 73 Multi Aperture Z = 115OHMS @ 10MHZ

Datasheet

17,032In Stock

S/1.83

S/1.25

S/1.09

S/0.973

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Multi-Hole Cores

1.1 mm

6.35 mm

6.15 mm

Bulk

Ferrite Toroids / Ferrite Rings 52 TOROID

5952020201
Fair-Rite
1: S/1.13
38,452In Stock

Mfr. Part #
5952020201

Mouser Part #
623-5952020201

Fair-Rite

Ferrite Toroids / Ferrite Rings 52 TOROID

Learn More

38,452In Stock

S/1.13

S/0.755

S/0.658

S/0.588

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

3 mm

5.84 mm

1.65 mm

Bulk

Ferrite Toroids / Ferrite Rings Fair-Rite

5968003801
Fair-Rite
1: S/63.33
797In Stock

Mfr. Part #
5968003801

Mouser Part #
623-5968003801

Fair-Rite

Ferrite Toroids / Ferrite Rings Fair-Rite

Learn More

797In Stock

S/63.33

S/48.89

S/39.74

S/37.25

S/37.21

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Tray

Ferrite Toroids / Ferrite Rings 77 Toroid T13/7.9/13-77

5977001901
Fair-Rite
1: S/4.98
7,163In Stock

Mfr. Part #
5977001901

Mouser Part #
623-5977001901

Fair-Rite

Ferrite Toroids / Ferrite Rings 77 Toroid T13/7.9/13-77

Learn More

7,163In Stock

S/4.98

S/3.44

S/2.97

S/2.60

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

Bulk

Ferrite Toroids / Ferrite Rings 18uH@100kHz Nano CMC Core 33x20x15

FT-3KL F3320E
Proterial
1: S/67.89
351In Stock

Mfr. Part #
FT-3KL F3320E

Mouser Part #
205-FT-3KLF3320E

Proterial

Ferrite Toroids / Ferrite Rings 18uH@100kHz Nano CMC Core 33x20x15

351In Stock

S/67.89

S/49.12

S/39.47

S/38.34

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

17.3 mm

35.8 mm

17.5 mm

FT-3KL F

Finemet

Ferrite Toroids / Ferrite Rings 17uH@100kHz Nano CMC Core 37x24x15

FT-3KM F3724E
Proterial
1: S/71.08
138In Stock
400Expected 9/7/2026

Mfr. Part #
FT-3KM F3724E

Mouser Part #
205-FT-3KMF3724E

Proterial

Ferrite Toroids / Ferrite Rings 17uH@100kHz Nano CMC Core 37x24x15

138In Stock

400Expected 9/7/2026

S/71.08

S/48.58

S/43.28

S/41.14

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

21.1 mm

40 mm

FT-3KM F

Finemet

Ferrite Toroids / Ferrite Rings 16uH@100kHz Nano CMC Core 75x55x20

FT-3KM F7555G
Proterial
1: S/227.75
271In Stock

Mfr. Part #
FT-3KM F7555G

Mouser Part #
205-FT-3KMF7555G

Proterial

Ferrite Toroids / Ferrite Rings 16uH@100kHz Nano CMC Core 75x55x20

271In Stock

S/227.75

S/185.32

S/166.56

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

51 mm

79 mm

FT-3KM F

Finemet

Ferrite Toroids / Ferrite Rings 27uH@100kHz Nano CMC Core 75x55x20

FT-3K50T F7555GS
Proterial
1: S/233.74
120In Stock

Mfr. Part #
FT-3K50T F7555GS

Mouser Part #
205-FT-3K50TF7555GS

Proterial

Ferrite Toroids / Ferrite Rings 27uH@100kHz Nano CMC Core 75x55x20

Learn More

120In Stock

S/233.74

S/195.40

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

50.3 mm

79.7 mm

25.7 mm

FT-3K50T F

Finemet

Ferrite Toroids / Ferrite Rings

Customer Service Office

Company

Resources

Support

0.9 mm
1.1 mm
1.3 mm
1.6 mm
1.78 mm
1.8 mm
2.15 mm
2.2 mm
2.91 mm
3 mm
3.05 mm
3.2 mm
3.3 mm
3.4 mm
3.8 mm
4 mm
4.1 mm
4.3 mm
4.47 mm
4.56 mm

3.43 mm
3.5 mm
3.95 mm
4.95 mm
5.1 mm
5.84 mm
5.95 mm
5.99 mm
6.35 mm
6.4 mm
7.3 mm
7.6 mm
8.7 mm
9 mm
9.42 mm
9.43 mm
9.5 mm
9.7 mm
9.74 mm
9.8 mm

1.27 mm
1.4 mm
1.65 mm
2.06 mm
2.54 mm
3 mm
3.18 mm
3.3 mm
3.5 mm
4.2 mm
4.75 mm
4.78 mm
4.9 mm
5.3 mm
5.5 mm
5.7 mm
6.15 mm
6.35 mm
6.4 mm
7 mm

1.27 mm
1.4 mm
1.65 mm
1.69 mm
1.91 mm
2.54 mm
3.175 mm
3.18 mm
3.19 mm
3.3 mm
3.34 mm
3.6 mm
3.7 mm
3.8 mm
4 mm
4.2 mm
4.3 mm
4.5 mm
4.6 mm
4.7 mm

28
40
59
2714A
2714A Magamp
35T
Distributed Gap Core
ESD-R
ESD-R-220814XH-R1
ESD-R-25SH
ESD-R-25SR
ESD-R-25SR-P
ESD-R-291216XH-R1
ESD-R-412119H-NC23
ESD-R-421617XH-R1
ESD-R-512419XH-R1
ESD-R-613325XH-R1
ESD-R-B
ESD-R-H
ESD-R-NC

3 W 800
4 W 1500
4 W 620
7 W 380
7 W 700
7 W 850
43
52
61
67
68
73
75
76
77
78
79
80
85
4W60