Transformer Cores

Some transformers feature ferrite cores, which act as a means to transfer magnetic flux within the transformer. While less common than laminated iron cores, ferrite cores allow for superior performance.

How transformer ferrite cores work

These devices are commonly parts of switched-mode power supplies. The ferrite in the core is in powdered form, which allows the transform...

Showing 1-20 of 207 products

Filter

Sort

Filter

Sort

Relevance
Price (high-low)
Price (low-high)
EPCOS N87 ER 9.5/5 Transformer Ferrite Core, 800 nH, For Use With Power TransFormers
EPCOS N87 ER 9.5/5 Transformer Ferrite Core, 800 nH, For Use With Power TransFormers
Add to parts list
RS Stock No.: 125-3331Brand: EPCOSManufacturers Part No.: B65523J0000R087

€ 12.09

€ 0.484 Each (In a Pack of 25) (Exc. VAT)

Check stock

25

Available in multiples of 25
25€ 0.484
Add to basket
ER 9.5/5
Power TransFormers
Planar
800nH
N87
155°C
B65523
IEC 62317-9
9.5mm
5mm
5 mm
EPCOS N87 E 20/10/6 Transformer Ferrite Core, 171 nH, For Use With Power TransFormers
EPCOS N87 E 20/10/6 Transformer Ferrite Core, 171 nH, For Use With Power TransFormers
Add to parts list
RS Stock No.: 125-3652Brand: EPCOSManufacturers Part No.: B66311G0250X187

€ 10.72

€ 0.536 Each (In a Pack of 20) (Exc. VAT)

Check stock

20

Available in multiples of 20
20€ 0.536
Add to basket
E 20/10/6
Power TransFormers
Type E
171nH
N87
155°C
B66311
IEC 61246
20.4mm
10.1mm
5.9 mm
EPCOS N27 E 13/7/4 Transformer Ferrite Core, 800 nH, For Use With Power TransFormers, Miniature TransFormers
EPCOS N27 E 13/7/4 Transformer Ferrite Core, 800 nH, For Use With Power TransFormers, Miniature TransFormers
Add to parts list
RS Stock No.: 125-3640Brand: EPCOSManufacturers Part No.: B66305G0000X127

€ 10.83

€ 0.217 Each (In a Pack of 50) (Exc. VAT)

Check stock

50

Available in multiples of 50
50€ 0.217
Add to basket
E 13/7/4
Power TransFormers, Miniature TransFormers
Type E
800nH
N27
155°C
B66305
IEC 61246
12.6mm
6.5mm
3.7 mm
EPCOS N87 EFD 15/8/5 Transformer Ferrite Core, 100 nH, For Use With Power TransFormers, DC/DC Converter, Flat
EPCOS N87 EFD 15/8/5 Transformer Ferrite Core, 100 nH, For Use With Power TransFormers, DC/DC Converter, Flat
Add to parts list
RS Stock No.: 125-3689Brand: EPCOSManufacturers Part No.: B66413U0100K187

€ 8.53

€ 0.427 Each (In a Pack of 20) (Exc. VAT)

Check stock

20

Available in multiples of 20
20€ 0.427
Add to basket
EFD 15/8/5
Power TransFormers, DC/DC Converter, Flat TransFormers
-
100nH
N87
180°C
B66413
IEC 61185
15mm
7.5mm
4.85 mm
EPCOS N87 E 30/15/7 Transformer Ferrite Core, 1900 nH, For Use With Power TransFormers
EPCOS N87 E 30/15/7 Transformer Ferrite Core, 1900 nH, For Use With Power TransFormers
Add to parts list
RS Stock No.: 125-3658Brand: EPCOSManufacturers Part No.: B66319G0000X187

€ 14.96

€ 0.748 Each (In a Pack of 20) (Exc. VAT)

Check stock

20

Available in multiples of 20
20€ 0.748
Add to basket
E 30/15/7
Power TransFormers
-
1900nH
N87
155°C
B66319
No
30mm
15.2mm
7.3 mm
EPCOS T38 RM 6 Transformer Ferrite Core, 8600 nH, For Use With Broadband TransFormers
EPCOS T38 RM 6 Transformer Ferrite Core, 8600 nH, For Use With Broadband TransFormers
Add to parts list
RS Stock No.: 125-3378Brand: EPCOSManufacturers Part No.: B65807J0000Y038

€ 12.41

€ 2.482 Each (In a Pack of 5) (Exc. VAT)

Check stock

5

Available in multiples of 5
5€ 2.482
Add to basket
RM 6
Broadband TransFormers
Core without Centre Hole
8600nH
T38
155°C
B65807
IEC 62317-4
17.9mm
12.5mm
14.7 mm
EPCOS N87 ELP 32/6/20 Transformer Ferrite Core, 5700 nH, For Use With Power TransFormers
EPCOS N87 ELP 32/6/20 Transformer Ferrite Core, 5700 nH, For Use With Power TransFormers
Add to parts list
RS Stock No.: 125-3629Brand: EPCOSManufacturers Part No.: B66287G0000X187

€ 17.62

€ 1.762 Each (In a Pack of 10) (Exc. VAT)

Check stock

10

Available in multiples of 10
10€ 1.762
Add to basket
ELP 32/6/20
Power TransFormers
EELP 32
5700nH
N87
-
ELP
IEC 62317-9
31.75mm
6.35mm
20.35 mm
EPCOS N30 P 18/11 Transformer Ferrite Core, 5900 nH, For Use With Broadband TransFormers
EPCOS N30 P 18/11 Transformer Ferrite Core, 5900 nH, For Use With Broadband TransFormers
Add to parts list
RS Stock No.: 125-3350Brand: EPCOSManufacturers Part No.: B65651W0000R030

€ 17.05

€ 3.41 Each (In a Pack of 5) (Exc. VAT)

Check stock

5

Available in multiples of 5
5€ 3.41
Add to basket
P 18/11
Broadband TransFormers
Ferrite
5900nH
N30
155°C
B65651
IEC 60133
10.6mm
10.6mm
18.4 mm
EPCOS N27 E 25/13/7 Transformer Ferrite Core, 1750 nH, For Use With Power TransFormers
EPCOS N27 E 25/13/7 Transformer Ferrite Core, 1750 nH, For Use With Power TransFormers
Add to parts list
RS Stock No.: 125-3653Brand: EPCOSManufacturers Part No.: B66317G0000X127

€ 7.66

€ 0.383 Each (In a Pack of 20) (Exc. VAT)

Check stock

20

Available in multiples of 20
20€ 0.383
Add to basket
E 25/13/7
Power TransFormers
Type E
1750nH
N27
155°C
B66317
IEC 61246
25mm
12.8mm
7.5 mm
EPCOS N87 EFD 25 Transformer Ferrite Core, 2000 nH, For Use With DC DC Converter
EPCOS N87 EFD 25 Transformer Ferrite Core, 2000 nH, For Use With DC DC Converter
Add to parts list
Also available in industry standard packaging
RS Stock No.: 483-3618Brand: EPCOSManufacturers Part No.: B66421G0000X187

€ 6.99

€ 1.398 Each (In a Pack of 5) (Exc. VAT)

Check stock

5

Available in multiples of 5
5€ 1.398
Add to basket
EFD 25
DC DC Converter
-
2000nH
N87
180°C
B66421
No
25mm
9.1mm
12.5 mm
EPCOS N87 E 13/7/4 Transformer Ferrite Core, 850 nH, For Use With Miniature TransFormers, Power TransFormers
EPCOS N87 E 13/7/4 Transformer Ferrite Core, 850 nH, For Use With Miniature TransFormers, Power TransFormers
Add to parts list
RS Stock No.: 125-3641Brand: EPCOSManufacturers Part No.: B66305G0000X187

€ 17.22

€ 0.344 Each (In a Pack of 50) (Exc. VAT)

Check stock

50

Available in multiples of 50
50€ 0.344
Add to basket
E 13/7/4
Miniature TransFormers, Power TransFormers
Type E
850nH
N87
155°C
B66305
IEC 61246
12.6mm
6.5mm
3.7 mm
EPCOS N87 ETD 39/20/13 Transformer Ferrite Core, 2700 nH, For Use With Power TransFormers, SMPS transformers
EPCOS N87 ETD 39/20/13 Transformer Ferrite Core, 2700 nH, For Use With Power TransFormers, SMPS transformers
Add to parts list
RS Stock No.: 125-3673Brand: EPCOSManufacturers Part No.: B66363G0000X187

€ 8.23

€ 1.647 Each (In a Pack of 5) (Exc. VAT)

Check stock

5

Available in multiples of 5
5€ 1.647
Add to basket
ETD 39/20/13
Power TransFormers, SMPS transformers
-
2700nH
N87
155°C
B66363
IEC 61185
38.9mm
20mm
12.8 mm
EPCOS N87 EFD 30 Transformer Ferrite Core, 160 nH, For Use With DC DC Converter
EPCOS N87 EFD 30 Transformer Ferrite Core, 160 nH, For Use With DC DC Converter
Add to parts list
Also available in industry standard packaging
RS Stock No.: 647-9610Brand: EPCOSManufacturers Part No.: B66423U0160K187

€ 2.17

€ 1.083 Each (In a Pack of 2) (Exc. VAT)

Check stock

2

Available in multiples of 2
2€ 1.083
Add to basket
EFD 30
DC DC Converter
-
160nH
N87
180°C
B66423
No
30mm
9.1mm
15 mm
EPCOS N87 ELP Transformer Ferrite Core, 2600 nH, For Use With Power TransFormers
EPCOS N87 ELP Transformer Ferrite Core, 2600 nH, For Use With Power TransFormers
Add to parts list
RS Stock No.: 125-3625Brand: EPCOSManufacturers Part No.: B66283G0000X187

€ 8.86

€ 0.886 Each (In a Pack of 10) (Exc. VAT)

Check stock

10

Available in multiples of 10
10€ 0.886
Add to basket
ELP
Power TransFormers
EELP18
2600nH
N87
100°C
ELP
IEC 62317-9
18mm
4mm
10 mm
EPCOS N87 EP 20 Transformer Ferrite Core, 4000 nH, For Use With Power TransFormers
EPCOS N87 EP 20 Transformer Ferrite Core, 4000 nH, For Use With Power TransFormers
Add to parts list
RS Stock No.: 125-3416Brand: EPCOSManufacturers Part No.: B65847A0000R087

€ 6.56

€ 3.279 Each (In a Pack of 2) (Exc. VAT)

Check stock

2

Available in multiples of 2
2€ 3.279
Add to basket
EP 20
Power TransFormers
EP 20
4000nH
N87
155°C
B65847
IEC 61596
24.5mm
21.6mm
15.3 mm
EPCOS N97 EFD 25/13/9 Transformer Ferrite Core, 2100 nH, For Use With Flat TransFormers, Power TransFormers, DC/DC
EPCOS N97 EFD 25/13/9 Transformer Ferrite Core, 2100 nH, For Use With Flat TransFormers, Power TransFormers, DC/DC
Add to parts list
RS Stock No.: 125-3696Brand: EPCOSManufacturers Part No.: B66421G0000X197

€ 13.34

€ 0.667 Each (In a Pack of 20) (Exc. VAT)

Check stock

20

Available in multiples of 20
20€ 0.667
Add to basket
EFD 25/13/9
Flat TransFormers, Power TransFormers, DC/DC Converter
-
2100nH
N97
180°C
B66421
No
25mm
12.5mm
9.1 mm
EPCOS N87 E 25/13/7 Transformer Ferrite Core, 1850 nH, For Use With Power TransFormers
EPCOS N87 E 25/13/7 Transformer Ferrite Core, 1850 nH, For Use With Power TransFormers
Add to parts list
RS Stock No.: 125-3654Brand: EPCOSManufacturers Part No.: B66317G0000X187

€ 10.72

€ 0.536 Each (In a Pack of 20) (Exc. VAT)

Check stock

20

Available in multiples of 20
20€ 0.536
Add to basket
E 25/13/7
Power TransFormers
Type E
1850nH
N87
155°C
B66317
IEC 61246
25mm
12.8mm
7.5 mm
EPCOS N87 RM 5 Transformer Ferrite Core, 2000 nH, For Use With Power TransFormers
EPCOS N87 RM 5 Transformer Ferrite Core, 2000 nH, For Use With Power TransFormers
Add to parts list
RS Stock No.: 125-3368Brand: EPCOSManufacturers Part No.: B65805J0000R087

€ 12.26

€ 2.452 Each (In a Pack of 5) (Exc. VAT)

Check stock

5

Available in multiples of 5
5€ 2.452
Add to basket
RM 5
Power TransFormers
Ferrite
2000nH
N87
155°C
B65805
IEC 62317-4
14.6mm
10.5mm
12.3 mm
EPCOS N87 EFD 15/8/5 Transformer Ferrite Core, 780 nH, For Use With DC/DC Converter, Power TransFormers, Flat
EPCOS N87 EFD 15/8/5 Transformer Ferrite Core, 780 nH, For Use With DC/DC Converter, Power TransFormers, Flat
Add to parts list
RS Stock No.: 125-3687Brand: EPCOSManufacturers Part No.: B66413G0000X187

€ 7.69

€ 0.384 Each (In a Pack of 20) (Exc. VAT)

Check stock

20

Available in multiples of 20
20€ 0.384
Add to basket
EFD 15/8/5
DC/DC Converter, Power TransFormers, Flat TransFormers
-
780nH
N87
180°C
B66413
IEC 61185
15mm
7.5mm
4.85 mm
EPCOS N48 P 18/11 Transformer Ferrite Core, 400 nH, For Use With Resonant Circuit Inductors
EPCOS N48 P 18/11 Transformer Ferrite Core, 400 nH, For Use With Resonant Circuit Inductors
Add to parts list
RS Stock No.: 125-3349Brand: EPCOSManufacturers Part No.: B65651T0400A048

€ 4.93

€ 2.463 Each (In a Pack of 2) (Exc. VAT)

Check stock

2

Available in multiples of 2
2€ 2.463
Add to basket
P 18/11
Resonant Circuit Inductors
-
400nH
N48
-
-
No
-
10.6mm
18.4 mm

...