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E Core Ferrite Cores & Accessories

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Part #

Ferrite Cores & Accessories CF-E42/21 15-V-1S-12P/

B66243S1012T001
TDK
1: $4.05
128In Stock
360Expected 9/28/2026

Mfr. Part #
B66243S1012T001

Mouser Part #
871-B66243S1012T001

TDK

Ferrite Cores & Accessories CF-E42/21 15-V-1S-12P/

Learn More

Datasheet

128In Stock

360Expected 9/28/2026

$4.05

$3.36

$2.85

$2.57

View

Min.: 1
Mult.: 1

E42/21/15

Hardware & Accessories

Ungapped

E Core

42 x 21 x 20

12 Pin

Tray

Ferrite Cores & Accessories E6.3-N87 '+30%-20%

B66300G0000X187
TDK
1: $0.88
1,121In Stock

Mfr. Part #
B66300G0000X187

Mouser Part #
871-B66300G0000X187

TDK

Ferrite Cores & Accessories E6.3-N87 '+30%-20%

Learn More

Datasheet

1,121In Stock

$0.88

$0.609

$0.525

$0.467

View

Min.: 1
Mult.: 1

E6.3

Ferrite Cores

Ungapped

E Core

E 6.3

380 nH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories E8.8-N87 '+30%-20%

B66302G0000X187
TDK
1: $1.22
1,072In Stock

Mfr. Part #
B66302G0000X187

Mouser Part #
871-B66302G0000X187

TDK

Ferrite Cores & Accessories E8.8-N87 '+30%-20%

Learn More

Datasheet

1,072In Stock

$1.22

$0.843

$0.725

$0.656

View

Min.: 1
Mult.: 1

E8.8/4/2

Ferrite Cores

Ungapped

E Core

E 8.8

550 nH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories E13/7/4 N30 1000 +30% -20%

B66305G0000X130
TDK
1: $0.68
3,698In Stock

Mfr. Part #
B66305G0000X130

Mouser Part #
871-B66305GX130

TDK

Ferrite Cores & Accessories E13/7/4 N30 1000 +30% -20%

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Datasheet

3,698In Stock

$0.68

$0.467

$0.402

$0.359

View

Min.: 1
Mult.: 1

E13/7/4

Ferrite Cores

Ungapped

E Core

12.6 x 3.7 x 6.5

1 uH

- 20 %, + 30 %

N30

Bulk

Ferrite Cores & Accessories E16/8/5 N27OL

B66307G0000X127
TDK
1: $0.81
1,949In Stock

Mfr. Part #
B66307G0000X127

Mouser Part #
871-B66307G0000X127

TDK

Ferrite Cores & Accessories E16/8/5 N27OL

Learn More

Datasheet

1,949In Stock

$0.81

$0.568

$0.49

$0.436

View

Min.: 1
Mult.: 1

E16/8/5

Ferrite Cores

Ungapped

E Core

16 x 8 x 5 (EF 16)

950 nH

- 20 %, + 30 %

Core

N27

Bulk

Ferrite Cores & Accessories E16/8/5 N87 gap 0.5+-0.05 mm

B66307G500X187
TDK
1: $0.90
1,709In Stock

Mfr. Part #
B66307G500X187

Mouser Part #
871-B66307G500X187

TDK

Ferrite Cores & Accessories E16/8/5 N87 gap 0.5+-0.05 mm

Learn More

Datasheet

1,709In Stock

$0.90

$0.626

$0.539

$0.478

View

Min.: 1
Mult.: 1

B66307G

Ferrite Cores

Gapped

E Core

16 x 8 x 5 (EF 16)

500 nH

N87

Bulk

Ferrite Cores & Accessories CLM-E16 2 PCS REQUIRED

B66308A2010X000
TDK
1: $0.75
3,101In Stock

Mfr. Part #
B66308A2010X000

Mouser Part #
871-B66308A2010X000

TDK

Ferrite Cores & Accessories CLM-E16 2 PCS REQUIRED

Learn More

Datasheet

3,101In Stock

$0.75

$0.683

$0.651

$0.605

View

Min.: 1
Mult.: 1

E16/8/5

Hardware & Accessories

Ungapped

E Core

16 x 8 x 5 (EF 16)

Yoke

Bulk

Ferrite Cores & Accessories FERRITE CORES & ACCS CF-E16/8/5-V-1S-8P

B66308W1108T001
TDK
1: $1.74
1,517In Stock
8,000Expected 3/24/2027

Mfr. Part #
B66308W1108T001

Mouser Part #
871-B66308W1108T001

TDK

Ferrite Cores & Accessories FERRITE CORES & ACCS CF-E16/8/5-V-1S-8P

Learn More

Datasheet

1,517In Stock

8,000Expected 3/24/2027

$1.74

$1.37

$1.29

$1.25

View

Min.: 1
Mult.: 1

E16/8/5

Hardware & Accessories

Ungapped

E Core

16 x 8 x 5 (EF 16)

Coil Former with Magnetic Axis Vertical

8 Pin

Tray

Ferrite Cores & Accessories E20/10/6 N27OL

B66311G0000X127
TDK
1: $0.89
2,058In Stock
5,880Expected 10/19/2026

Mfr. Part #
B66311G0000X127

Mouser Part #
871-B66311G0000X127

TDK

Ferrite Cores & Accessories E20/10/6 N27OL

Learn More

Datasheet

2,058In Stock

5,880Expected 10/19/2026

$0.89

$0.618

$0.531

$0.472

View

Min.: 1
Mult.: 1

E20/10/6

Ferrite Cores

Ungapped

E Core

20 x 10 x 6 (EF 20)

1.3 uH

- 20 %, + 30 %

Core

N27

Bulk

Ferrite Cores & Accessories E25/13/7 N27LP 0.25MM

B66317G0250X127
TDK
1: $1.21
618In Stock

Mfr. Part #
B66317G0250X127

Mouser Part #
871-B66317G0250X127

TDK

Ferrite Cores & Accessories E25/13/7 N27LP 0.25MM

Learn More

Datasheet

618In Stock

$1.21

$0.833

$0.717

$0.649

View

Min.: 1
Mult.: 1

E25/13/7

Ferrite Cores

Gapped

E Core

25 x 13 x 7 (EF 25)

250 nH

N27

Bulk

Ferrite Cores & Accessories E25/13/7 N27 1750 +30% -20%

B66317GX127
TDK
1: $1.20
2,178In Stock

Mfr. Part #
B66317GX127

Mouser Part #
871-B66317GX127

TDK

Ferrite Cores & Accessories E25/13/7 N27 1750 +30% -20%

Learn More

Datasheet

2,178In Stock

$1.20

$0.832

$0.715

$0.635

View

Min.: 1
Mult.: 1

B66317G

Ferrite Cores

Ungapped

E Core

25 x 13 x 7 (EF 25)

1.75 uH

- 20 %, + 30 %

N27

Bulk

Ferrite Cores & Accessories E30/15/7 N27LP=0.1MM

B66319G0100X127
TDK
1: $1.73
1,309In Stock

Mfr. Part #
B66319G0100X127

Mouser Part #
871-B66319G0100X127

TDK

Ferrite Cores & Accessories E30/15/7 N27LP=0.1MM

Learn More

Datasheet

1,309In Stock

$1.73

$1.20

$1.03

$0.92

View

Min.: 1
Mult.: 1

E30/15/7

Ferrite Cores

Gapped

E Core

30 x 15 x 7

460 nH

N27

Bulk

Ferrite Cores & Accessories E30/15/7 N87460NH LP=0.1+-0.02

B66319G0100X187
TDK
1: $1.79
1,955In Stock

Mfr. Part #
B66319G0100X187

Mouser Part #
871-B66319G0100X187

TDK

Ferrite Cores & Accessories E30/15/7 N87460NH LP=0.1+-0.02

Learn More

Datasheet

1,955In Stock

$1.79

$1.24

$1.07

$0.95

View

Min.: 1
Mult.: 1

E30/15/7

Ferrite Cores

Gapped

E Core

30 x 15 x 7

460 nH

N87

Bulk

Ferrite Cores & Accessories E30/15/7 N87 gap 0.5+-0.05 mm

B66319G500X187
TDK
1: $1.79
266In Stock

Mfr. Part #
B66319G500X187

Mouser Part #
871-B66319G500X187

TDK

Ferrite Cores & Accessories E30/15/7 N87 gap 0.5+-0.05 mm

Learn More

Datasheet

266In Stock

$1.79

$1.24

$1.07

$0.949

View

Min.: 1
Mult.: 1

B66319G

Ferrite Cores

Gapped

E Core

30 x 15 x 7

500 nH

N87

Bulk

Ferrite Cores & Accessories E30/15/7 N27 1700 +30% -20%

B66319GX127
TDK
1: $1.67
1,896In Stock

Mfr. Part #
B66319GX127

Mouser Part #
871-B66319GX127

TDK

Ferrite Cores & Accessories E30/15/7 N27 1700 +30% -20%

Learn More

Datasheet

1,896In Stock

$1.67

$1.16

$0.996

$0.904

View

Min.: 1
Mult.: 1

B66319G

Ferrite Cores

Ungapped

E Core

30 x 15 x 7

1.7 uH

- 20 %, + 30 %

N27

Bulk

Ferrite Cores & Accessories E42/21/15 N27OL

B66325G0000X127
TDK
1: $5.03
582In Stock

Mfr. Part #
B66325G0000X127

Mouser Part #
871-B66325GX127

TDK

Ferrite Cores & Accessories E42/21/15 N27OL

Learn More

Datasheet

582In Stock

$5.03

$3.44

$2.91

$2.55

View

Min.: 1
Mult.: 1

E10/5.5/5

Ferrite Cores

Ungapped

E Core

42 x 21 x 15

3.5 uH

- 20 %, + 30 %

N27

Bulk

Ferrite Cores & Accessories E42/21/20 N27LP 0.5MM

B66329G0500X127
TDK
1: $5.47
234In Stock

Mfr. Part #
B66329G0500X127

Mouser Part #
871-B66329G0500X127

TDK

Ferrite Cores & Accessories E42/21/20 N27LP 0.5MM

Learn More

Datasheet

234In Stock

$5.47

$3.73

$3.16

$2.76

View

Min.: 1
Mult.: 1

E42/21/20

Ferrite Cores

Gapped

E Core

42 x 21 x 20

500 nH

N27

Bulk

Ferrite Cores & Accessories E42/21/20 N27LP 1.0MM

B66329G1000X127
TDK
1: $5.75
97In Stock

Mfr. Part #
B66329G1000X127

Mouser Part #
871-B66329G1000X127

TDK

Ferrite Cores & Accessories E42/21/20 N27LP 1.0MM

Learn More

Datasheet

97In Stock

$5.75

$3.93

$3.33

$2.91

View

Min.: 1
Mult.: 1

E42/21/20

Ferrite Cores

Gapped

E Core

42 x 21 x 20

1 uH

N27

Bulk

Ferrite Cores & Accessories E42/21/20 N87LP 1.5MM

B66329G1500X187
TDK
1: $6.06
86In Stock

Mfr. Part #
B66329G1500X187

Mouser Part #
871-B66329G1500X187

TDK

Ferrite Cores & Accessories E42/21/20 N87LP 1.5MM

Learn More

Datasheet

86In Stock

$6.06

$4.13

$3.48

$3.04

View

Min.: 1
Mult.: 1

E42/21/20

Ferrite Cores

Gapped

E Core

42 x 21 x 20

259 nH

N87

Bulk

Ferrite Cores & Accessories E 55/28/21 N87 GAP 1.0+-0

B66335G1000X187
TDK
1: $6.41
26In Stock
432On Order

Mfr. Part #
B66335G1000X187

Mouser Part #
871-B66335G1000X187

TDK

Ferrite Cores & Accessories E 55/28/21 N87 GAP 1.0+-0

Learn More

Datasheet

26In Stock

432On Order

$6.41

$4.31

$3.45

$3.16

View

Min.: 1
Mult.: 1

E55/28/21

Ferrite Cores

Gapped

E Core

55 x 28 x 21

1 uH

N87

Bulk

Ferrite Cores & Accessories E55/28/21 N87LP 2.0MM

B66335G2000X187
TDK
1: $6.41
118In Stock
432Expected 1/18/2027

Mfr. Part #
B66335G2000X187

Mouser Part #
871-B66335G2000X187

TDK

Ferrite Cores & Accessories E55/28/21 N87LP 2.0MM

Learn More

Datasheet

118In Stock

432Expected 1/18/2027

$6.41

$4.40

$3.61

$3.23

View

Min.: 1
Mult.: 1

E55/28/21

Ferrite Cores

Gapped

E Core

55 x 28 x 21

292 nH

N87

Bulk

Ferrite Cores & Accessories E55/28/21-N87-DG250

B66335Q0250K187
TDK
1: $7.00
137In Stock

Mfr. Part #
B66335Q0250K187

Mouser Part #
871-B66335Q0250K187

TDK

Ferrite Cores & Accessories E55/28/21-N87-DG250

Learn More

Datasheet

137In Stock

$7.00

$4.81

$3.94

$3.53

View

Min.: 1
Mult.: 1

E55/28/21

Ferrite Cores

Gapped

E Core

55 mm x 21 mm

250 nH

10 %

N87

Tray

Ferrite Cores & Accessories E55/28/25-N87-DG250

B66344Q0250K187
TDK
1: $8.37
167In Stock

Mfr. Part #
B66344Q0250K187

Mouser Part #
871-B66344Q0250K187

TDK

Ferrite Cores & Accessories E55/28/25-N87-DG250

Learn More

Datasheet

167In Stock

$8.37

$5.80

$4.65

$4.22

$3.63

Min.: 1
Mult.: 1

E55/28/25

Ferrite Cores

Distributed Gap

E Core

55 x 28 x 25

250 nH

N87

Tray

Ferrite Cores & Accessories E55/28/25-N87-DG400

B66344Q0400K187
TDK
1: $8.37
82In Stock
200Expected 10/19/2026

Mfr. Part #
B66344Q0400K187

Mouser Part #
871-B66344Q0400K187

TDK

Ferrite Cores & Accessories E55/28/25-N87-DG400

Learn More

Datasheet

82In Stock

200Expected 10/19/2026

$8.37

$5.81

$4.65

$4.57

View

Min.: 1
Mult.: 1

E55/28/26

Ferrite Cores

Distributed Gap

E Core

55 x 28 x 25

400 nH

N87

Tray

Ferrite Cores & Accessories E70/33/32 N27LP 1.5 MM

B66371G1500X127
TDK
1: $18.03
42In Stock

Mfr. Part #
B66371G1500X127

Mouser Part #
871-B66371G1500X127

TDK

Ferrite Cores & Accessories E70/33/32 N27LP 1.5 MM

Learn More

Datasheet

42In Stock

$18.03

$12.32

$10.98

$9.37

View

Min.: 1
Mult.: 1

E70/33/32

Ferrite Cores

Gapped

E Core

70 x 33 x 32

655 nH

N27

Bulk

E Core Ferrite Cores & Accessories

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B66206J
B66208A
B66208B
B66219G
B66232J
B66233G
B66243B
B66252B
B66305G
B66306C
B66307G
B66307H
B66310G
B66311A
B66311G
B66313G
B66314G
B66315G
B66317G

32 mm x 11 mm
55 mm x 21 mm
10 x 5.5 x 5
12.6 x 3.7 x 6.5
12.7 x 6.35 x 3.6
13 x 7 x 4 (EF 12.6)
14 x 3.5 x 5
14 x 5 x 3.5
14 x 8 x 4
16 x 6 x 5
16 x 8.05 x 4.5
16 x 8.2 x 4.7
16 x 8 x 5
16 x 8 x 5 (EF 16)
18 x 10 x 4
18 x 4 x 10
19 x 8 x 4.8
19 x 8 x 5
20 x 10 x 11
20 x 10 x 5

4.75 nH
5.2 nH
40 nH
50 nH
60 nH
69 nH
80 nH
86 nH
91 nH
100 nH
103 nH
122 nH
125 nH
130 nH
145 nH
146 nH
150 nH
151 nH
160 nH
170 nH