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

Proterial Ferrite Toroids / Ferrite Rings

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

Results: 239

Applied Filters:

Manufacturer = Proterial

Inside Diameter

Outside Diameter

Inside Height

Outside Height

Series

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 18uH@100kHz Nano CMC Core 30x20x10

FT-3K50T F3020CS
Proterial
1: $13.75
376In Stock

Mfr. Part No.
FT-3K50T F3020CS

Mouser Part No
205-FT-3K50TF3020CS

Proterial

Ferrite Toroids / Ferrite Rings 18uH@100kHz Nano CMC Core 30x20x10

Learn More

376In Stock

$13.75

$9.95

$8.00

$7.76

$7.75

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

17.4 mm

33.1 mm

13 mm

FT-3K50T F

Finemet

Ferrite Toroids / Ferrite Rings 19uH@100kHz Nano CMC Core 50x40x20

FT-3K50T F5040GS
Proterial
1: $31.85
77In Stock

Mfr. Part No.
FT-3K50T F5040GS

Mouser Part No
205-FT-3K50TF5040GS

Proterial

Ferrite Toroids / Ferrite Rings 19uH@100kHz Nano CMC Core 50x40x20

Learn More

77In Stock

$31.85

$23.71

$21.12

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

37.1 mm

52.3 mm

22.8 mm

FT-3K50T F

Finemet

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

FT-3K50T F6045GS
Proterial
1: $39.00
71In Stock

Mfr. Part No.
FT-3K50T F6045GS

Mouser Part No
205-FT-3K50TF6045GS

Proterial

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

Learn More

71In Stock

$39.00

$30.33

$26.77

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 17mmOD x 10mmID DISTGAP AMORPHS CORE

MP1710MDGC
Proterial
1: $3.53
1,305In Stock

Mfr. Part No.
MP1710MDGC

Mouser Part No
205-MP1710MDGC

Proterial

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

Datasheet

1,305In Stock

$3.53

$2.42

$2.06

$1.82

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 12uH@100kHz Nano CMC Core100x80x20BKT

FT-3KM F10080GB
Proterial
1: $203.47
20In Stock
30Expected 29/06/2026

Mfr. Part No.
FT-3KM F10080GB

Mouser Part No
205-FT-3KMF10080GB

Proterial

Ferrite Toroids / Ferrite Rings 12uH@100kHz Nano CMC Core100x80x20BKT

20In Stock

30Expected 29/06/2026

$203.47

$187.27

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

76 mm

104 mm

FT-3KM F

Finemet

Ferrite Toroids / Ferrite Rings 50uH@100kHz Nano CMC Core 44x24x20

FT-3K50T F4424GS
Proterial
1: $36.46
359In Stock

Mfr. Part No.
FT-3K50T F4424GS

Mouser Part No
205-FT-3K50TF4424GS

Proterial

Ferrite Toroids / Ferrite Rings 50uH@100kHz Nano CMC Core 44x24x20

Learn More

359In Stock

$36.46

$28.36

$25.03

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

21 mm

47.1 mm

23.4 mm

FT-3K50T F

Finemet

Ferrite Toroids / Ferrite Rings 10mmOD x 5mmID DISTGAP AMORPHS CORE

MP1005MDGC
Proterial
1: $2.91
3,180In Stock

Mfr. Part No.
MP1005MDGC

Mouser Part No
205-MP1005MDGC

Proterial

Ferrite Toroids / Ferrite Rings 10mmOD x 5mmID DISTGAP AMORPHS CORE

Datasheet

3,180In Stock

$2.91

$2.01

$1.72

$1.52

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

4.47 mm

11.32 mm

6.12 mm

Distributed Gap Core

Metglas Alloy

Ferrite Toroids / Ferrite Rings 32mmOD x 10mmID DISTGAP AMORPHS CORE

MP7548MDGC
Proterial
1: $7.05
650In Stock

Mfr. Part No.
MP7548MDGC

Mouser Part No
205-MP7548MDGC

Proterial

Ferrite Toroids / Ferrite Rings 32mmOD x 10mmID DISTGAP AMORPHS CORE

Datasheet

650In Stock

$7.05

$4.89

$3.92

$3.89

$3.30

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

19.73 mm

33.25 mm

11.05 mm

Distributed Gap Core

Metglas Alloy

Ferrite Toroids / Ferrite Rings 25uH@100kHz Nano CMCCore140x100x30BKT

FT-3KM F140100PB
Proterial
1: $385.81
28In Stock

Mfr. Part No.
FT-3KM F140100PB

Mouser Part No
205-FT-3KMF140100PB

Proterial

Ferrite Toroids / Ferrite Rings 25uH@100kHz Nano CMCCore140x100x30BKT

28In Stock

$385.81

$355.11

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

96 mm

144 mm

FT-3KM F

Finemet

Ferrite Toroids / Ferrite Rings 26mmOD x 10mmID DISTGAP AMORPHS CORE

MP2610PDGC
Proterial
1: $4.71
703In Stock

Mfr. Part No.
MP2610PDGC

Mouser Part No
205-MP2610PDGC

Proterial

Ferrite Toroids / Ferrite Rings 26mmOD x 10mmID DISTGAP AMORPHS CORE

Datasheet

703In Stock

$4.71

$3.23

$2.74

$2.43

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

14.15 mm

28.32 mm

11.48 mm

Distributed Gap Core

Metglas Alloy

Ferrite Toroids / Ferrite Rings 24uH@100kHz Nano CMCCore140x100x30BKT

FT-3KL F140100PB
Proterial
1: $387.05
6In Stock

Mfr. Part No.
FT-3KL F140100PB

Mouser Part No
205-FT-3KLF140100PB

Proterial

Ferrite Toroids / Ferrite Rings 24uH@100kHz Nano CMCCore140x100x30BKT

6In Stock

$387.05

$356.25

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

96 mm

144 mm

35 mm

FT-3KL F

Finemet

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

FT-3KL F3320E
Proterial
1: $16.93
458In Stock

Mfr. Part No.
FT-3KL F3320E

Mouser Part No
205-FT-3KLF3320E

Proterial

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

458In Stock

$16.93

$12.25

$9.85

$9.56

$9.55

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 25uH@100kHz Nano CMC Core 140x100x30

FT-3KM F140100
Proterial
1: $298.76
16In Stock
80Expected 12/08/2026

Mfr. Part No.
FT-3KM F140100

Mouser Part No
205-FT-3KMF140100

Proterial

Ferrite Toroids / Ferrite Rings 25uH@100kHz Nano CMC Core 140x100x30

16In Stock

80Expected 12/08/2026

$298.76

$274.99

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

96 mm

144 mm

FT-3KM F

Finemet

Ferrite Toroids / Ferrite Rings 12uH@100kHz Nano CMC Core 100x80x20

FT-3KM F10080G
Proterial
1: $69.65
50In Stock

Mfr. Part No.
FT-3KM F10080G

Mouser Part No
205-FT-3KMF10080G

Proterial

Ferrite Toroids / Ferrite Rings 12uH@100kHz Nano CMC Core 100x80x20

50In Stock

$69.65

$58.22

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

76 mm

104 mm

FT-3KM F

Finemet

Ferrite Toroids / Ferrite Rings 16uH@100kHz Nano CMC Core110x80x20BKT

FT-3KM F11080GB
Proterial
1: $207.19
39In Stock

Mfr. Part No.
FT-3KM F11080GB

Mouser Part No
205-FT-3KMF11080GB

Proterial

Ferrite Toroids / Ferrite Rings 16uH@100kHz Nano CMC Core110x80x20BKT

39In Stock

$207.19

$190.70

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

76 mm

104 mm

FT-3KM F

Finemet

Ferrite Toroids / Ferrite Rings 30uH@100kHz Nano CMC Core 44x24x20

FT-3KM F4424G
Proterial
1: $31.52
111In Stock

Mfr. Part No.
FT-3KM F4424G

Mouser Part No
205-FT-3KMF4424G

Proterial

Ferrite Toroids / Ferrite Rings 30uH@100kHz Nano CMC Core 44x24x20

111In Stock

$31.52

$23.47

$20.90

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

21.5 mm

46.5 mm

FT-3KM F

Finemet

Ferrite Toroids / Ferrite Rings 13uH@100kHz Nano CMC Core 45x35x20

FT-3KM F4535G
Proterial
1: $21.96
116In Stock

Mfr. Part No.
FT-3KM F4535G

Mouser Part No
205-FT-3KMF4535G

Proterial

Ferrite Toroids / Ferrite Rings 13uH@100kHz Nano CMC Core 45x35x20

116In Stock

$21.96

$15.01

$13.37

$12.71

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

31 mm

49 mm

FT-3KM F

Finemet

Ferrite Toroids / Ferrite Rings 29uH@100kHz Nano CMC Core 37x24x15

FT-3K50T F3724ES
Proterial
1: $19.20
184In Stock

Mfr. Part No.
FT-3K50T F3724ES

Mouser Part No
205-FT-3K50TF3724ES

Proterial

Ferrite Toroids / Ferrite Rings 29uH@100kHz Nano CMC Core 37x24x15

Learn More

184In Stock

$19.20

$13.12

$11.69

$11.11

$11.10

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

20.6 mm

40.5 mm

18.3 mm

FT-3K50T F

Finemet

Ferrite Toroids / Ferrite Rings 35mmOD x 10mmID GAP AMORPHS CORE

MP3510MPFC
Proterial
1: $12.59
241In Stock

Mfr. Part No.
MP3510MPFC

Mouser Part No
205-MP3510MPFC

Proterial

Ferrite Toroids / Ferrite Rings 35mmOD x 10mmID GAP AMORPHS CORE

Datasheet

241In Stock

$12.59

$9.16

$7.33

$6.98

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

19.05 mm

34.93 mm

9.53 mm

Gapped Inductor Core

Metglas Alloy

Ferrite Toroids / Ferrite Rings 14uH@100kHz Nano CMC Core 40x32x15

FT-3K50T F4032ES
Proterial
1: $20.09
208In Stock

Mfr. Part No.
FT-3K50T F4032ES

Mouser Part No
205-FT-3K50TF4032ES

Proterial

Ferrite Toroids / Ferrite Rings 14uH@100kHz Nano CMC Core 40x32x15

Learn More

208In Stock

$20.09

$13.73

$12.23

$11.68

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

29.1 mm

42.3 mm

17.8 mm

FT-3K50T F

Finemet

Ferrite Toroids / Ferrite Rings 59uH@100kHz Nano CMC Core 46x27x25

FT-3K50T F4627HS
Proterial
1: $45.64
171In Stock

Mfr. Part No.
FT-3K50T F4627HS

Mouser Part No
205-FT-3K50TF4627HS

Proterial

Ferrite Toroids / Ferrite Rings 59uH@100kHz Nano CMC Core 46x27x25

Learn More

171In Stock

$45.64

$37.14

$33.38

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

22.9 mm

50.7 mm

29.2 mm

FT-3K50T F

Finemet

Ferrite Toroids / Ferrite Rings 13mmOD x 5mmID HI PM AMORPHS CORE

MP1305P4AF
Proterial
1: $4.71
250In Stock

Mfr. Part No.
MP1305P4AF

Mouser Part No
205-MP1305P4AF

Proterial

Ferrite Toroids / Ferrite Rings 13mmOD x 5mmID HI PM AMORPHS CORE

Datasheet

250In Stock

$4.71

$3.23

$2.74

$2.40

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

7.87 mm

14.4 mm

6.71 mm

2714A

Metglas Alloy

Ferrite Toroids / Ferrite Rings 13mmOD x 6mmID DISTGAP AMORPHS CORE

MP1306MDGC
Proterial
1: $3.30
494In Stock

Mfr. Part No.
MP1306MDGC

Mouser Part No
205-MP1306MDGC

Proterial

Ferrite Toroids / Ferrite Rings 13mmOD x 6mmID DISTGAP AMORPHS CORE

Datasheet

494In Stock

$3.30

$2.27

$1.92

$1.69

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

14.67 mm

7.87 mm

Distributed Gap Core

Metglas Alloy

Ferrite Toroids / Ferrite Rings 22mmOD x 8mmID MEGAMP Core COATED

MP2208M4AS
Proterial
1: $11.97
62In Stock

Mfr. Part No.
MP2208M4AS

Mouser Part No
205-MP2208M4AS

Proterial

Ferrite Toroids / Ferrite Rings 22mmOD x 8mmID MEGAMP Core COATED

Datasheet

62In Stock

$11.97

$8.71

$7.17

$6.09

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

15.57 mm

23.69 mm

9.91 mm

2714A Magamp

Metglas Alloy

Ferrite Toroids / Ferrite Rings 33mmOD x 10mmID GAP AMORPHS CORE

MP3310MPFC
Proterial
1: $11.77
9In Stock
56Expected 22/06/2026

Mfr. Part No.
MP3310MPFC

Mouser Part No
205-MP3310MPFC

Proterial

Ferrite Toroids / Ferrite Rings 33mmOD x 10mmID GAP AMORPHS CORE

Datasheet

9In Stock

56Expected 22/06/2026

$11.77

$8.56

$6.85

$6.52

$6.15

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

15.24 mm

32.44 mm

9.53 mm

Gapped Inductor Core

Metglas Alloy

Proterial Ferrite Toroids / Ferrite Rings

Customer Service Office

Company

Resources

Support

4.47 mm
5.3 mm
5.91 mm
6 mm
6.07 mm
6.17 mm
6.5 mm
6.8 mm
7.46 mm
7.5 mm
7.6 mm
7.77 mm
7.82 mm
7.87 mm
8 mm
8.76 mm
8.99 mm
9.53 mm
10 mm
10.23 mm

11.2 mm
11.32 mm
11.37 mm
11.99 mm
12.19 mm
12.47 mm
12.5 mm
13 mm
13.23 mm
13.3 mm
13.46 mm
13.5 mm
13.66 mm
14.07 mm
14.1 mm
14.32 mm
14.4 mm
14.67 mm
14.7 mm
15 mm

3.18 mm
4.6 mm
4.7 mm
4.76 mm
5.4 mm
6 mm
6.12 mm
6.29 mm
6.35 mm
6.71 mm
6.76 mm
6.9 mm
7 mm
7.1 mm
7.87 mm
8 mm
8.13 mm
8.31 mm
8.38 mm
8.6 mm