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KEMET ESD-R Series Ferrite Toroids / Ferrite Rings

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Part #

Ferrite Toroids / Ferrite Rings 10mm

ESD-R-18SD
KEMET
1: $1.98
65In Stock
1,664Expected 2026-04-15

Mfr. Part #
ESD-R-18SD

Mouser Part #
80-ESD-R-18SD

KEMET

Ferrite Toroids / Ferrite Rings 10mm

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Datasheet

65In Stock

1,664Expected 2026-04-15

$1.98

$1.05

$0.651

$0.563

$0.52

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

10 mm

18 mm

6 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 14mm

ESD-R-25D
KEMET
1: $3.81
416In Stock

Mfr. Part #
ESD-R-25D

Mouser Part #
80-ESD-R-25D

KEMET

Ferrite Toroids / Ferrite Rings 14mm

Learn More

Datasheet

416In Stock

$3.81

$2.46

$2.16

$1.66

$1.23

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

14 mm

26 mm

15 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 15mm

ESD-R-25D-8
KEMET
1: $3.88
99In Stock
600Expected 2026-08-17

Mfr. Part #
ESD-R-25D-8

Mouser Part #
80-ESD-R-25D-8

KEMET

Ferrite Toroids / Ferrite Rings 15mm

Learn More

Datasheet

99In Stock

600Expected 2026-08-17

$3.88

$2.29

$2.03

$1.45

$1.41

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

15 mm

25 mm

8 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 27x19x15mm Mn-Zn Coated

ESD-R-27S
KEMET
1: $3.64
143In Stock

Mfr. Part #
ESD-R-27S

Mouser Part #
80-ESD-R-27S

KEMET

Ferrite Toroids / Ferrite Rings 27x19x15mm Mn-Zn Coated

Learn More

Datasheet

143In Stock

$3.64

$2.15

$1.89

$1.36

$1.31

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

19 mm

27 mm

15 mm

ESD-R

Tray

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 15.8mm

ESD-R-28C-1
KEMET
1: $4.62
241In Stock

Mfr. Part #
ESD-R-28C-1

Mouser Part #
80-ESD-R-28C-1

KEMET

Ferrite Toroids / Ferrite Rings 15.8mm

Learn More

Datasheet

241In Stock

$4.62

$2.72

$2.39

$1.73

$1.72

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

15.8 mm

28.2 mm

13.2 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 19mm

ESD-R-31C
KEMET
1: $3.42
193In Stock
600Expected 2026-07-23

Mfr. Part #
ESD-R-31C

Mouser Part #
80-ESD-R-31C

KEMET

Ferrite Toroids / Ferrite Rings 19mm

Learn More

Datasheet

193In Stock

600Expected 2026-07-23

$3.42

$2.03

$1.80

$1.24

$1.22

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

19 mm

31 mm

15 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 17.5mm

ESD-R-38
KEMET
1: $7.00
160In Stock

Mfr. Part #
ESD-R-38

Mouser Part #
80-ESD-R-38

KEMET

Ferrite Toroids / Ferrite Rings 17.5mm

Learn More

Datasheet

160In Stock

$7.00

$3.71

$3.21

$2.81

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

17.5 mm

39 mm

14 mm

ESD-R

Bulk

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 39x17.5x14mm Mn-Zn Case and Tape

ESD-R-38-1
KEMET
1: $10.51
63In Stock

Mfr. Part #
ESD-R-38-1

Mouser Part #
80-ESD-R-38-1

KEMET

Ferrite Toroids / Ferrite Rings 39x17.5x14mm Mn-Zn Case and Tape

Learn More

Datasheet

63In Stock

$10.51

$5.48

$4.71

$4.53

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

17.5 mm

39 mm

14 mm

ESD-R

Tray

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 39.5x18x14mm Mn-Zn Coated

ESD-R-38-P
KEMET
1: $13.97
154In Stock

Mfr. Part #
ESD-R-38-P

Mouser Part #
80-ESD-R-38-P

KEMET

Ferrite Toroids / Ferrite Rings 39.5x18x14mm Mn-Zn Coated

Learn More

Datasheet

154In Stock

$13.97

$7.17

$6.32

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

18 mm

39.5 mm

14 mm

ESD-R

Tray

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 17.5mm

ESD-R-38C-1
KEMET
1: $8.81
186In Stock

Mfr. Part #
ESD-R-38C-1

Mouser Part #
80-ESD-R-38C-1

KEMET

Ferrite Toroids / Ferrite Rings 17.5mm

Learn More

Datasheet

186In Stock

$8.81

$5.03

$4.79

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

17.5 mm

39 mm

14 mm

ESD-R

Bulk

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 19mm

ESD-R-38D
KEMET
1: $7.06
50In Stock

Mfr. Part #
ESD-R-38D

Mouser Part #
80-ESD-R-38D

KEMET

Ferrite Toroids / Ferrite Rings 19mm

Learn More

Datasheet

50In Stock

$7.06

$4.47

$3.91

$2.53

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

19 mm

38.1 mm

12.7 mm

ESD-R

Bulk

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 39x17.5x14mm Mn-Zn Case

ESD-R-38SA
KEMET
1: $7.14
67In Stock

Mfr. Part #
ESD-R-38SA

Mouser Part #
80-ESD-R-38SA

KEMET

Ferrite Toroids / Ferrite Rings 39x17.5x14mm Mn-Zn Case

Learn More

Datasheet

67In Stock

$7.14

$3.78

$3.27

$2.87

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

17.5 mm

39 mm

14 mm

ESD-R

Tray

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 47x27x15mm Mn-Zn Bare

ESD-R-47S
KEMET
1: $13.80
78In Stock

Mfr. Part #
ESD-R-47S

Mouser Part #
80-ESD-R-47S

KEMET

Ferrite Toroids / Ferrite Rings 47x27x15mm Mn-Zn Bare

Learn More

Datasheet

78In Stock

$13.80

$7.08

$7.06

$6.23

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

27 mm

47 mm

15 mm

ESD-R

Tray

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 32.4mm

ESD-R-57
KEMET
1: $28.44
3In Stock
60Expected 2026-03-31

Mfr. Part #
ESD-R-57

Mouser Part #
80-ESD-R-57

KEMET

Ferrite Toroids / Ferrite Rings 32.4mm

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Datasheet

3In Stock

60Expected 2026-03-31

$28.44

$15.50

$14.66

$14.64

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

32.4 mm

61 mm

24 mm

ESD-R

Bulk

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 57x36x20mm Ni-Zn Bare

ESD-R-57D
KEMET
1: $44.12
4In Stock

Mfr. Part #
ESD-R-57D

Mouser Part #
80-ESD-R-57D

KEMET

Ferrite Toroids / Ferrite Rings 57x36x20mm Ni-Zn Bare

Learn More

Datasheet

4In Stock

$44.12

$24.68

$24.67

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

36 mm

57 mm

20 mm

ESD-R

Tray

Nickel Zinc

Ferrite Toroids / Ferrite Rings 6mm

ESD-R-12D
KEMET
1: $2.98
1,995Expected 2026-07-23

Mfr. Part #
ESD-R-12D

Mouser Part #
80-ESD-R-12D

KEMET

Ferrite Toroids / Ferrite Rings 6mm

Learn More

Datasheet

1,995Expected 2026-07-23

$2.98

$1.77

$1.57

$1.13

$1.04

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

6 mm

12.9 mm

6.4 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 9.5mm

ESD-R-17S
KEMET
1: $2.21
12,320On Order

Mfr. Part #
ESD-R-17S

Mouser Part #
80-ESD-R-17S

KEMET

Ferrite Toroids / Ferrite Rings 9.5mm

Learn More

Datasheet

12,320On Order

$2.21

$1.17

$0.76

$0.731

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

9.5 mm

17.5 mm

28.5 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 25.5mm

ESD-R-47
KEMET
1: $9.84
1,120On Order

Mfr. Part #
ESD-R-47

Mouser Part #
80-ESD-R-47

KEMET

Ferrite Toroids / Ferrite Rings 25.5mm

Learn More

Datasheet

1,120On Order

$9.84

$5.13

$4.71

$4.19

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

25.5 mm

48 mm

16 mm

ESD-R

Bulk

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 7.3mm

ESD-R-12C
KEMET
1: $0.998
2,216Expected 2026-07-23

Mfr. Part #
ESD-R-12C

Mouser Part #
80-ESD-R-12C

KEMET

Ferrite Toroids / Ferrite Rings 7.3mm

Learn More

Datasheet

2,216Expected 2026-07-23

$0.998

$0.54

$0.405

$0.353

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

7.3 mm

11.8 mm

15 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 12x7x15mm Ni-Zn Coated

ESD-R-12CM
KEMET
1: $1.90
1,792On Order

Mfr. Part #
ESD-R-12CM

Mouser Part #
80-ESD-R-12CM

KEMET

Ferrite Toroids / Ferrite Rings 12x7x15mm Ni-Zn Coated

Learn More

Datasheet

1,792On Order

$1.90

$1.01

$0.715

$0.642

$0.614

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

7 mm

12 mm

15 mm

ESD-R

Tray

Nickel Zinc

Ferrite Toroids / Ferrite Rings 7.3mm

ESD-R-12E
KEMET
1: $1.07
2,998Expected 2026-07-29

Mfr. Part #
ESD-R-12E

Mouser Part #
80-ESD-R-12E

KEMET

Ferrite Toroids / Ferrite Rings 7.3mm

Learn More

Datasheet

2,998Expected 2026-07-29

$1.07

$0.58

$0.434

$0.404

View

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 7mm

ESD-R-12S
KEMET
1: $1.20
1,500Expected 2026-03-26

Mfr. Part #
ESD-R-12S

Mouser Part #
80-ESD-R-12S

KEMET

Ferrite Toroids / Ferrite Rings 7mm

Learn More

Datasheet

1,500Expected 2026-03-26

$1.20

$0.646

$0.482

$0.419

$0.361

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

7 mm

12 mm

5.5 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 6.3mm

ESD-R-14S
KEMET
1: $2.12
1,100On Order

Mfr. Part #
ESD-R-14S

Mouser Part #
80-ESD-R-14S

KEMET

Ferrite Toroids / Ferrite Rings 6.3mm

Learn More

Datasheet

1,100On Order

$2.12

$1.12

$0.826

$0.698

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

6.3 mm

14.3 mm

28.5 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 9mm

ESD-R-19
KEMET
1: $2.46
480Expected 2026-07-23

Mfr. Part #
ESD-R-19

Mouser Part #
80-ESD-R-19

KEMET

Ferrite Toroids / Ferrite Rings 9mm

Learn More

Datasheet

480Expected 2026-07-23

$2.46

$1.46

$1.30

$0.829

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

9 mm

19 mm

11 mm

ESD-R

Bulk

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 9mm

ESD-R-19D
KEMET
1: $2.93
478Expected 2026-05-21

Mfr. Part #
ESD-R-19D

Mouser Part #
80-ESD-R-19D

KEMET

Ferrite Toroids / Ferrite Rings 9mm

Learn More

Datasheet

478Expected 2026-05-21

$2.93

$1.75

$1.55

$1.02

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

9 mm

19 mm

11 mm

ESD-R

Bulk

Nickel Zinc

KEMET ESD-R Series Ferrite Toroids / Ferrite Rings

Mouser Electronics®

Company

Resources

Support

5 mm
5.5 mm
6 mm
6.2 mm
6.3 mm
7 mm
7.3 mm
8.5 mm
9 mm
9.4 mm
9.5 mm
10 mm
10.5 mm
10.7 mm
11.6 mm
13 mm
13.8 mm
14 mm
14.8 mm
15 mm

9.5 mm
10 mm
10.5 mm
11.8 mm
12 mm
12.9 mm
14 mm
14.3 mm
15 mm
15.2 mm
15.8 mm
16 mm
17.5 mm
17.7 mm
18 mm
18.5 mm
19 mm
22.5 mm
25 mm
25.3 mm

3 mm
3.5 mm
5 mm
5.3 mm
5.5 mm
6 mm
6.4 mm
8 mm
8.4 mm
9 mm
10 mm
11 mm
12 mm
12.1 mm
12.3 mm
12.5 mm
12.7 mm
13 mm
13.2 mm
14 mm