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

EPCOS N87 ER 9.5/5 Transformer Ferrite Core, 800 nH, For Use With Power TransFormers
RS Stock No.125-3331BrandEPCOSManufacturers Part No.B65523J0000R087

7.156 OMR

0.287 OMR Each (In a Pack of 25) (ex VAT)

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
RS Stock No.125-3652BrandEPCOSManufacturers Part No.B66311G0250X187

6.455 OMR

0.322 OMR Each (In a Pack of 20) (ex VAT)

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
RS Stock No.125-3640BrandEPCOSManufacturers Part No.B66305G0000X127

6.394 OMR

0.128 OMR Each (In a Pack of 50) (ex VAT)

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
RS Stock No.125-3689BrandEPCOSManufacturers Part No.B66413U0100K187

5.116 OMR

0.256 OMR Each (In a Pack of 20) (ex VAT)

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
RS Stock No.125-3658BrandEPCOSManufacturers Part No.B66319G0000X187

8.891 OMR

0.444 OMR Each (In a Pack of 20) (ex VAT)

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
RS Stock No.125-3378BrandEPCOSManufacturers Part No.B65807J0000Y038

7.430 OMR

1.486 OMR Each (In a Pack of 5) (ex VAT)

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
RS Stock No.125-3629BrandEPCOSManufacturers Part No.B66287G0000X187

10.536 OMR

1.053 OMR Each (In a Pack of 10) (ex VAT)

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
RS Stock No.125-3350BrandEPCOSManufacturers Part No.B65651W0000R030

10.201 OMR

2.040 OMR Each (In a Pack of 5) (ex VAT)

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
RS Stock No.125-3653BrandEPCOSManufacturers Part No.B66317G0000X127

4.628 OMR

0.231 OMR Each (In a Pack of 20) (ex VAT)

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
Also available in industry standard packaging
RS Stock No.483-3618BrandEPCOSManufacturers Part No.B66421G0000X187

5.176 OMR

1.035 OMR Each (In a Pack of 5) (ex VAT)

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
RS Stock No.125-3641BrandEPCOSManufacturers Part No.B66305G0000X187

10.353 OMR

0.207 OMR Each (In a Pack of 50) (ex VAT)

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
RS Stock No.125-3673BrandEPCOSManufacturers Part No.B66363G0000X187

5.786 OMR

1.157 OMR Each (In a Pack of 5) (ex VAT)

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
Also available in industry standard packaging
RS Stock No.647-9610BrandEPCOSManufacturers Part No.B66423U0160K187

1.388 OMR

0.694 OMR Each (In a Pack of 2) (ex VAT)

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
RS Stock No.125-3625BrandEPCOSManufacturers Part No.B66283G0000X187

5.298 OMR

0.530 OMR Each (In a Pack of 10) (ex VAT)

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
RS Stock No.125-3416BrandEPCOSManufacturers Part No.B65847A0000R087

4.007 OMR

2.003 OMR Each (In a Pack of 2) (ex VAT)

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
RS Stock No.125-3696BrandEPCOSManufacturers Part No.B66421G0000X197

8.039 OMR

0.402 OMR Each (In a Pack of 20) (ex VAT)

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
RS Stock No.125-3654BrandEPCOSManufacturers Part No.B66317G0000X187

7.430 OMR

0.372 OMR Each (In a Pack of 20) (ex VAT)

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
RS Stock No.125-3368BrandEPCOSManufacturers Part No.B65805J0000R087

7.338 OMR

1.468 OMR Each (In a Pack of 5) (ex VAT)

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
RS Stock No.125-3687BrandEPCOSManufacturers Part No.B66413G0000X187

5.481 OMR

0.274 OMR Each (In a Pack of 20) (ex VAT)

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
RS Stock No.125-3349BrandEPCOSManufacturers Part No.B65651T0400A048

4.007 OMR

2.003 OMR Each (In a Pack of 2) (ex VAT)

Add to basket
P 18/11
Resonant Circuit Inductors
-
400nH
N48
-
-
No
-
10.6mm
18.4 mm

...