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

E Core Ferrite Cores & Accessories

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

Results: 330

Applied Filters:

Core = E Core

Manufacturer

Series

Product

Type

Core Size

Inductance

Tolerance

Accessory Type

Number of Pins

Core Material

Termination Style

Packaging

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 Cores & Accessories E32/16/11-N87-DG100

B66233Q0100K187
TDK
1: $2.69
788In Stock

Mfr. Part #
B66233Q0100K187

Mouser Part #
871-B66233Q0100K187

TDK

Ferrite Cores & Accessories E32/16/11-N87-DG100

Learn More

Datasheet

788In Stock

$2.69

$1.87

$1.60

$1.41

View

Min.: 1
Mult.: 1

E32/16/11

Ferrite Cores

Gapped

E Core

32 mm x 11 mm

100 nH

10 %

N87

Tray

Ferrite Cores & Accessories E32/16/11-N87-DG150

B66233Q0150K187
TDK
1: $2.69
228In Stock

Mfr. Part #
B66233Q0150K187

Mouser Part #
871-B66233Q0150K187

TDK

Ferrite Cores & Accessories E32/16/11-N87-DG150

Learn More

Datasheet

228In Stock

$2.69

$1.87

$1.60

$1.41

View

Min.: 1
Mult.: 1

E32/16/11

Ferrite Cores

Distributed Gap

E Core

32 x 16 x 11

150 nH

N87

Tray

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

B66243S1012T001
TDK
1: $6.13
Lead-Time 26 Weeks

Mfr. Part #
B66243S1012T001

Mouser Part #
871-B66243S1012T001

TDK

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

Learn More

Datasheet

Lead-Time 26 Weeks

$6.13

$4.20

$3.57

$3.07

View

Min.: 1
Mult.: 1

E42/21/15

Hardware & Accessories

Ungapped

E Core

42 x 21 x 20

12 Pin

Tray

Ferrite Cores & Accessories COIL FORMER DURETHAN BKV-30H

B66252BM1
TDK
1: $7.91
502In Stock
1,000Expected 2026-12-14

Mfr. Part #
B66252BM1

Mouser Part #
871-B66252BM1

TDK

Ferrite Cores & Accessories COIL FORMER DURETHAN BKV-30H

Learn More

Datasheet

502In Stock

1,000Expected 2026-12-14

$7.91

$5.40

$4.56

$3.99

View

Min.: 1
Mult.: 1

B66252B

Hardware & Accessories

Ungapped

E Core

55 x 28 x 21

Coil Former Square Pins

14 Pin

Tray

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

B66305G0000X130
TDK
1: $0.778
3,698In Stock

Mfr. Part #
B66305G0000X130

Mouser Part #
871-B66305GX130

TDK

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

Learn More

Datasheet

3,698In Stock

$0.778

$0.546

$0.471

$0.42

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 CLM-E16 2 PCS REQUIRED

B66308A2010X000
TDK
1: $1.25
3,366In Stock

Mfr. Part #
B66308A2010X000

Mouser Part #
871-B66308A2010X000

TDK

Ferrite Cores & Accessories CLM-E16 2 PCS REQUIRED

Learn More

Datasheet

3,366In Stock

$1.25

$0.876

$0.753

$0.67

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: $2.49
1,797In Stock
8,000Expected 2027-03-24

Mfr. Part #
B66308W1108T001

Mouser Part #
871-B66308W1108T001

TDK

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

Learn More

Datasheet

1,797In Stock

8,000Expected 2027-03-24

$2.49

$1.71

$1.48

$1.37

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: $1.02
2,634In Stock
5,880Expected 2026-10-19

Mfr. Part #
B66311G0000X127

Mouser Part #
871-B66311G0000X127

TDK

Ferrite Cores & Accessories E20/10/6 N27OL

Learn More

Datasheet

2,634In Stock

5,880Expected 2026-10-19

$1.02

$0.719

$0.621

$0.552

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 E20/10/6 N30

B66311G0000X130
TDK
1: $1.27
2,358In Stock
5,880Expected 2026-08-10

Mfr. Part #
B66311G0000X130

Mouser Part #
871-B66311G0000X130

TDK

Ferrite Cores & Accessories E20/10/6 N30

Learn More

Datasheet

2,358In Stock

5,880Expected 2026-08-10

$1.27

$0.884

$0.762

$0.677

View

Min.: 1
Mult.: 1

E20/10/6

Ferrite Cores

Ungapped

E Core

20 x 10 x 6 (EF 20)

2.15 uH

- 20 %, + 30 %

Core

N30

Bulk

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

B66317G0250X127
TDK
1: $1.50
3,618In Stock

Mfr. Part #
B66317G0250X127

Mouser Part #
871-B66317G0250X127

TDK

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

Learn More

Datasheet

3,618In Stock

$1.50

$1.04

$0.896

$0.795

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 N87LP 0.250MM

B66317G0250X187
TDK
1: $1.31
4,084In Stock
5,400Expected 2026-09-14

Mfr. Part #
B66317G0250X187

Mouser Part #
871-B66317G0250X187

TDK

Ferrite Cores & Accessories E25/13/7 N87LP 0.250MM

Learn More

Datasheet

4,084In Stock

5,400Expected 2026-09-14

$1.31

$0.917

$0.789

$0.701

View

Min.: 1
Mult.: 1

E25/13/7

Ferrite Cores

Gapped

E Core

25 x 13 x 7 (EF 25)

250 nH

N87

Bulk

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

B66317GX127
TDK
1: $1.15
3,378In Stock

Mfr. Part #
B66317GX127

Mouser Part #
871-B66317GX127

TDK

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

Learn More

Datasheet

3,378In Stock

$1.15

$0.808

$0.696

$0.618

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: $2.16
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

$2.16

$1.51

$1.29

$1.14

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: $2.20
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

$2.20

$1.54

$1.31

$1.16

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: $2.20
516In 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

516In Stock

$2.20

$1.54

$1.31

$1.16

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: $1.56
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

$1.56

$1.08

$0.93

$0.825

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 E55/28/21-N87-DG250

B66335Q0250K187
TDK
1: $8.31
137In Stock

Mfr. Part #
B66335Q0250K187

Mouser Part #
871-B66335Q0250K187

TDK

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

Learn More

Datasheet

137In Stock

$8.31

$5.76

$4.62

$4.23

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: $9.69
167In Stock

Mfr. Part #
B66344Q0250K187

Mouser Part #
871-B66344Q0250K187

TDK

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

Learn More

Datasheet

167In Stock

$9.69

$6.57

$5.53

$4.81

$4.42

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: $10.04
82In Stock
200Expected 2026-10-19

Mfr. Part #
B66344Q0400K187

Mouser Part #
871-B66344Q0400K187

TDK

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

Learn More

Datasheet

82In Stock

200Expected 2026-10-19

$10.04

$6.80

$5.69

$4.97

$4.61

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: $19.34
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

$19.34

$14.00

$11.25

$9.49

Min.: 1
Mult.: 1

E70/33/32

Ferrite Cores

Gapped

E Core

70 x 33 x 32

655 nH

N27

Bulk

Ferrite Cores & Accessories E70/33/32 N95 ungapped

B66371G0000X195
TDK
1: $23.27
64In Stock
180Expected 2026-12-18

Mfr. Part #
B66371G0000X195

Mouser Part #
871-B66371GX195

TDK

Ferrite Cores & Accessories E70/33/32 N95 ungapped

Learn More

Datasheet

64In Stock

180Expected 2026-12-18

$23.27

$16.85

$11.46

$11.42

Min.: 1
Mult.: 1

E70/33/32

Ferrite Cores

Ungapped

E Core

70 x 33 x 32

N95

Bulk

Ferrite Cores & Accessories E70/33/32-N87-DG250 FERRITE CORE SET

B66371Q0250K187
TDK
1: $21.84
45In Stock

Mfr. Part #
B66371Q0250K187

Mouser Part #
871-B66371Q0250K187

TDK

Ferrite Cores & Accessories E70/33/32-N87-DG250 FERRITE CORE SET

Learn More

Datasheet

45In Stock

$21.84

$14.47

$11.53

$11.52

Min.: 1
Mult.: 1

E70/33/32

Ferrite Cores

Distributed Gap

E Core

E 70 x 33 x 32

250 nH

N87

Tray

Ferrite Cores & Accessories E70/33/32-N87-DG400

B66371Q0400K187
TDK
1: $22.52
37In Stock
36Expected 2026-09-11

Mfr. Part #
B66371Q0400K187

Mouser Part #
871-B66371Q0400K187

TDK

Ferrite Cores & Accessories E70/33/32-N87-DG400

Learn More

Datasheet

37In Stock

36Expected 2026-09-11

$22.52

$16.29

$13.09

$12.70

Min.: 1
Mult.: 1

E70/33/32

Ferrite Cores

Distributed Gap

E Core

70 x 33 x 32

400 nH

N87

Tray

Ferrite Cores & Accessories CF-E70-1S

B66372A2000T001
TDK
1: $11.51
126In Stock

Mfr. Part #
B66372A2000T001

Mouser Part #
871-B66372A2000T1

TDK

Ferrite Cores & Accessories CF-E70-1S

Learn More

Datasheet

126In Stock

$11.51

$7.76

$7.55

$6.12

Min.: 1
Mult.: 1

E70/33/32

Hardware & Accessories

Ungapped

E Core

70 x 33 x 32

Coil Former

Tray

Ferrite Cores & Accessories E80/38/20 N27OL

B66375G0000X127
TDK
1: $8.94
678In Stock
80Expected 2026-08-14

Mfr. Part #
B66375G0000X127

Mouser Part #
871-B66375G0000X127

TDK

Ferrite Cores & Accessories E80/38/20 N27OL

Learn More

Datasheet

678In Stock

80Expected 2026-08-14

$8.94

$6.13

$4.81

$4.31

View

Min.: 1
Mult.: 1

E80/38/20

Ferrite Cores

Ungapped

E Core

80 x 38 x 20

4.15 uH

- 20 %, + 30 %

N27

Bulk

E Core Ferrite Cores & Accessories

Mouser Electronics®

Company

Resources

Support

94
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