Mga Ferrite Toroid / Ferrite Ring

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EMI Cores

KEMET EMI Cores provide high-frequency noise suppression in electronic circuits. There are two ferrite material options for KEMET EMI Cores, namely Nickel-Zinc (NiZn) and Manganese Zinc (MnZn). The NiZn core material is typically effective for theMHz band range (FM-band frequencies), whereas the MnZn core material is typically effective for the kHz band range (AM-band frequencies). The MnZn core material offers a lower resistance compared to the NiZn and hence adequate insulation is required before use (recommended to measure the actual frequency-range effectiveness in the target application). The effective frequency range varies depending on core shape, size, and the number of turns.

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# ng Piyesa

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 17.9mm

ESD-R-38D-B
KEMET
1: ₱578.84
1,723Inaasahan 5/28/2026

Mfr. # ng Piyesa
ESD-R-38D-B

# ng Piyesa ng Mouser
80-ESD-R-38D-B

KEMET

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 17.9mm

Alamin Pa

Datasheet

1,723Inaasahan 5/28/2026

₱578.84

₱281.30

₱266.80

₱266.22

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

17.9 mm

42.4 mm

16 mm

ESD-R-B

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 25.5mm

ESD-R-47
KEMET
1: ₱369.46
1,120Inoorder

Mfr. # ng Piyesa
ESD-R-47

# ng Piyesa ng Mouser
80-ESD-R-47

KEMET

Ferrite Toroids / Ferrite Rings 25.5mm

Alamin Pa

Datasheet

1,120Inoorder

₱369.46

₱193.72

₱178.06

₱158.34

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 Snap-on Ni-Zn High Frequency FM Band Split UL94 V-0 HR1

ESD-SR-190938X-R1
KEMET
1: ₱230.84
797Inoorder

Mfr. # ng Piyesa
ESD-SR-190938X-R1

# ng Piyesa ng Mouser
80-ESD-SR-190938X-R1

KEMET

Ferrite Toroids / Ferrite Rings Snap-on Ni-Zn High Frequency FM Band Split UL94 V-0 HR1

Alamin Pa

797Inoorder

₱230.84

₱165.88

₱143.84

₱127.02

Tingnan

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

EMI Cores

9 mm

20.2 mm

39 mm

ESD-SR-190938X-R1

Tray

Manganese Zinc (MnZn) HR1

Ferrite Toroids / Ferrite Rings 7.3mm

ESD-R-12C
KEMET
1: ₱45.24
2,216Inaasahan 7/23/2026

Mfr. # ng Piyesa
ESD-R-12C

# ng Piyesa ng Mouser
80-ESD-R-12C

KEMET

Ferrite Toroids / Ferrite Rings 7.3mm

Alamin Pa

Datasheet

2,216Inaasahan 7/23/2026

₱45.24

₱30.57

₱22.04

₱18.15

Tingnan

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: ₱81.20
1,792Inoorder

Mfr. # ng Piyesa
ESD-R-12CM

# ng Piyesa ng Mouser
80-ESD-R-12CM

KEMET

Ferrite Toroids / Ferrite Rings 12x7x15mm Ni-Zn Coated

Alamin Pa

Datasheet

1,792Inoorder

₱81.20

₱56.61

₱41.76

₱34.92

Tingnan

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

7 mm

12 mm

15 mm

ESD-R

Tray

Nickel Zinc

Ferrite Toroids / Ferrite Rings 7mm

ESD-R-12S
KEMET
1: ₱56.26
1,500Inaasahan 3/26/2026

Mfr. # ng Piyesa
ESD-R-12S

# ng Piyesa ng Mouser
80-ESD-R-12S

KEMET

Ferrite Toroids / Ferrite Rings 7mm

Alamin Pa

Datasheet

1,500Inaasahan 3/26/2026

₱56.26

₱37.87

₱27.26

₱22.50

Tingnan

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: ₱92.22
1,100Inoorder

Mfr. # ng Piyesa
ESD-R-14S

# ng Piyesa ng Mouser
80-ESD-R-14S

KEMET

Ferrite Toroids / Ferrite Rings 6.3mm

Alamin Pa

Datasheet

1,100Inoorder

₱92.22

₱64.38

₱47.50

₱39.73

Tingnan

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: ₱92.80
480Inaasahan 7/23/2026

Mfr. # ng Piyesa
ESD-R-19

# ng Piyesa ng Mouser
80-ESD-R-19

KEMET

Ferrite Toroids / Ferrite Rings 9mm

Alamin Pa

Datasheet

480Inaasahan 7/23/2026

₱92.80

₱55.33

₱48.95

₱31.32

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: ₱110.78
478Inaasahan 5/21/2026

Mfr. # ng Piyesa
ESD-R-19D

# ng Piyesa ng Mouser
80-ESD-R-19D

KEMET

Ferrite Toroids / Ferrite Rings 9mm

Alamin Pa

Datasheet

478Inaasahan 5/21/2026

₱110.78

₱58.58

₱38.57

₱38.51

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

9 mm

19 mm

11 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 10mm

ESD-R-19SD
KEMET
1: ₱58.58
1,981Inaasahan 6/4/2026

Mfr. # ng Piyesa
ESD-R-19SD

# ng Piyesa ng Mouser
80-ESD-R-19SD

KEMET

Ferrite Toroids / Ferrite Rings 10mm

Alamin Pa

Datasheet

1,981Inaasahan 6/4/2026

₱58.58

₱31.15

₱23.08

₱20.01

₱18.91

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

10 mm

18.5 mm

10 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 13.9mm

ESD-R-25D-B
KEMET
1: ₱145.58
584Inaasahan 3/26/2026

Mfr. # ng Piyesa
ESD-R-25D-B

# ng Piyesa ng Mouser
80-ESD-R-25D-B

KEMET

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 13.9mm

Alamin Pa

Datasheet

584Inaasahan 3/26/2026

₱145.58

₱85.84

₱75.40

₱65.54

Tingnan

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

13.9 mm

29.3 mm

15 mm

ESD-R-B

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 15mm

ESD-R-25SD
KEMET
1: ₱76.56
2,129Inoorder

Mfr. # ng Piyesa
ESD-R-25SD

# ng Piyesa ng Mouser
80-ESD-R-25SD

KEMET

Ferrite Toroids / Ferrite Rings 15mm

Alamin Pa

Datasheet

2,129Inoorder

₱76.56

₱40.25

₱29.64

₱25.11

₱24.77

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

15 mm

25 mm

12 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 16mm

ESD-R-28C
KEMET
1: ₱146.16
600Inaasahan 7/27/2026

Mfr. # ng Piyesa
ESD-R-28C

# ng Piyesa ng Mouser
80-ESD-R-28C

KEMET

Ferrite Toroids / Ferrite Rings 16mm

Alamin Pa

Datasheet

600Inaasahan 7/27/2026

₱146.16

₱75.98

₱53.82

₱53.77

₱51.74

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

16 mm

28 mm

13 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 19mm

ESD-R-31C
KEMET
1: ₱141.52
793Inoorder

Mfr. # ng Piyesa
ESD-R-31C

# ng Piyesa ng Mouser
80-ESD-R-31C

KEMET

Ferrite Toroids / Ferrite Rings 19mm

Alamin Pa

Datasheet

793Inoorder

₱141.52

₱100.34

₱75.40

₱66.70

Tingnan

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

19 mm

31 mm

15 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 32x19.5x9mm Ni-Zn Coated

ESD-R-31C-1
KEMET
1: ₱242.44
350Inaasahan 7/23/2026

Mfr. # ng Piyesa
ESD-R-31C-1

# ng Piyesa ng Mouser
80-ESD-R-31C-1

KEMET

Ferrite Toroids / Ferrite Rings 32x19.5x9mm Ni-Zn Coated

Alamin Pa

Datasheet

350Inaasahan 7/23/2026

₱242.44

₱174.58

₱150.80

₱133.40

Tingnan

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

19 mm

32 mm

9 mm

ESD-R

Tray

Nickel Zinc

Ferrite Toroids / Ferrite Rings 38x19x12.7mm 150kHz Mn-Zn 85C

ESD-R-38SR
KEMET
1: ₱369.46
200Inaasahan 7/23/2026

Mfr. # ng Piyesa
ESD-R-38SR

# ng Piyesa ng Mouser
80-ESD-R-38SR

KEMET

Ferrite Toroids / Ferrite Rings 38x19x12.7mm 150kHz Mn-Zn 85C

Alamin Pa

Datasheet

200Inaasahan 7/23/2026

₱369.46

₱272.60

₱238.96

₱212.86

Tingnan

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

EMI Cores

19 mm

38 mm

12.7 mm

ESD-R-SR

Tray

Ferrite Toroids / Ferrite Rings 50x23x18mm Mn-Zn Case and Tape

ESD-R-47-1
KEMET
1: ₱561.44
220Inoorder

Mfr. # ng Piyesa
ESD-R-47-1

# ng Piyesa ng Mouser
80-ESD-R-47-1

KEMET

Ferrite Toroids / Ferrite Rings 50x23x18mm Mn-Zn Case and Tape

Alamin Pa

Datasheet

220Inoorder

₱561.44

₱418.76

₱369.46

₱330.60

Tingnan

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

23 mm

50 mm

18 mm

ESD-R

Tray

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 25.5mm

ESD-R-47B
KEMET
1: ₱469.80
90Inoorder

Mfr. # ng Piyesa
ESD-R-47B

# ng Piyesa ng Mouser
80-ESD-R-47B

KEMET

Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 25.5mm

Alamin Pa

Datasheet

90Inoorder

₱469.80

₱254.04

₱253.46

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

25.5 mm

51.5 mm

17.5 mm

ESD-R-B

Bulk

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 61x32.4x24mm Mn-Zn Case and Tape

ESD-R-57A-1
KEMET
1: ₱1,288.76
60Inaasahan 3/26/2026

Mfr. # ng Piyesa
ESD-R-57A-1

# ng Piyesa ng Mouser
80-ESD-R-57A-1

KEMET

Ferrite Toroids / Ferrite Rings 61x32.4x24mm Mn-Zn Case and Tape

Alamin Pa

Datasheet

60Inaasahan 3/26/2026

₱1,288.76

₱986.00

₱881.60

₱797.50

Tingnan

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

32.4 mm

61 mm

24 mm

ESD-R

Tray

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 32.4mm

ESD-R-57D-1
KEMET
1: ₱1,625.74
59Inaasahan 4/23/2026

Mfr. # ng Piyesa
ESD-R-57D-1

# ng Piyesa ng Mouser
80-ESD-R-57D-1

KEMET

Ferrite Toroids / Ferrite Rings 32.4mm

Alamin Pa

Datasheet

59Inaasahan 4/23/2026

₱1,625.74

₱904.80

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

32.4 mm

61 mm

24 mm

ESD-R

Bulk

Nickel Zinc

Ferrite Toroids / Ferrite Rings 61x33.2x25mm 10MHz Mn-Zn 120C

ESD-R-57M-H
KEMET
1: ₱1,238.30
60Inaasahan 5/28/2026

Mfr. # ng Piyesa
ESD-R-57M-H

# ng Piyesa ng Mouser
80-ESD-R-57M-H

KEMET

Ferrite Toroids / Ferrite Rings 61x33.2x25mm 10MHz Mn-Zn 120C

Alamin Pa

Datasheet

60Inaasahan 5/28/2026

₱1,238.30

₱947.14

₱847.38

₱766.18

Tingnan

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

33.2 mm

61 mm

25 mm

ESD-R-H

Tray

Ferrite Toroids / Ferrite Rings 26x14x15mm Ni-Zn Case and Tape

ESD-R-25D-1
KEMET
1: ₱143.84
Lead-Time para sa Hindi Naka-stock 23 (na) Linggo

Mfr. # ng Piyesa
ESD-R-25D-1

# ng Piyesa ng Mouser
80-ESD-R-25D-1

KEMET

Ferrite Toroids / Ferrite Rings 26x14x15mm Ni-Zn Case and Tape

Alamin Pa

Datasheet

Lead-Time para sa Hindi Naka-stock 23 (na) Linggo

₱143.84

₱85.26

₱74.24

₱64.96

₱52.08

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

14 mm

26 mm

15 mm

ESD-R

Tray

Nickel Zinc

Ferrite Toroids / Ferrite Rings 25.3x14.8x12.3mm Mn-Zn Coated

ESD-R-25MK
KEMET
1: ₱189.66
Lead-Time 23 (na) Linggo

Mfr. # ng Piyesa
ESD-R-25MK

# ng Piyesa ng Mouser
80-ESD-R-25MK

KEMET

Ferrite Toroids / Ferrite Rings 25.3x14.8x12.3mm Mn-Zn Coated

Alamin Pa

Datasheet

Lead-Time 23 (na) Linggo

₱189.66

₱102.08

₱84.68

₱71.92

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

14.8 mm

25.3 mm

12.3 mm

ESD-R

Tray

Manganese Zinc (MnZn)

Ferrite Toroids / Ferrite Rings 51x24.4x19mm 300MHz Ni-Zn 120C

ESD-R-47N-H
KEMET
1: ₱541.72
Lead-Time 23 (na) Linggo

Mfr. # ng Piyesa
ESD-R-47N-H

# ng Piyesa ng Mouser
80-ESD-R-47N-H

KEMET

Ferrite Toroids / Ferrite Rings 51x24.4x19mm 300MHz Ni-Zn 120C

Alamin Pa

Datasheet

Lead-Time 23 (na) Linggo

₱541.72

₱303.34

₱276.66

₱275.50

₱249.98

Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings

Toroids

24.4 mm

51 mm

19 mm

ESD-R-H

Tray

Ferrite Toroids / Ferrite Rings 57x36x20mm 150kHz Mn-Zn 85C

ESD-R-57SR
KEMET
60: ₱760.96
Lead-Time para sa Hindi Naka-stock 23 (na) Linggo

Mfr. # ng Piyesa
ESD-R-57SR

# ng Piyesa ng Mouser
80-ESD-R-57SR

KEMET

Ferrite Toroids / Ferrite Rings 57x36x20mm 150kHz Mn-Zn 85C

Alamin Pa

Datasheet

Lead-Time para sa Hindi Naka-stock 23 (na) Linggo

₱760.96

Min.: 60
Mult.: 15

Ferrite Toroids / Ferrite Rings

EMI Cores

36 mm

57 mm

20 mm

ESD-R-SR

Tray

EMI Cores

Customer Service Office

Kumpanya

Mga Mapagkukunan

Suporta

5 mm
5.5 mm
6 mm
6.2 mm
6.3 mm
7 mm
7.3 mm
7.7 mm
8.5 mm
8.8 mm
9 mm
9.4 mm
9.5 mm
10 mm
10.5 mm
10.7 mm
11.6 mm
12.7 mm
13 mm
13.8 mm

9.5 mm
10 mm
10.5 mm
11.8 mm
12 mm
12.9 mm
14 mm
14.3 mm
14.4 mm
15 mm
15.2 mm
15.8 mm
16 mm
16.5 mm
17.5 mm
17.7 mm
18 mm
18.5 mm
19 mm
19.6 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