Transformer Cores

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Transformer Cores


Browse for transformer cores from our large collection. We stock ferrite cores for your circuit design project. Find the magnetic core you need, whether its a toroidal core or an E-core. Remember - all orders over GBP 5.00 qualify for free standard shipping.

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B66358G0000X187
B66358G0000X187 - Ferrite Core, Half, ETD29, N87

FT00970

Ferrite Core, Half, ETD29, N87

EPCOS

The B66358G0000X187 is an ETD29-type Transformer Ferrite Core with N87 material grade. It has ungapped construction for SMPS transformers with optimum weight/performance ratio at small volume. The magnetic properties of NiZn materials can change irreversib...

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- ETD29 N87 - 70.4mm 76mm² 2.2µH B66358 Series
B66421G0000X187
B66421G0000X187 - Ferrite Core, Half, EFD25

FT00985

Ferrite Core, Half, EFD25

EPCOS

The B66421G0000X187 is an EFD25-type Transformer Ferrite Core with N87 material grade. It has ungapped construction. The E-core with flattened, lower centre leg for especially flat transformer design and for DC/DC converters. The magnetic properties of NiZ...

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- EFD25 N87 - 57mm 58mm² 2µH B66421 Series
B66358GX197
B66358GX197 - Ferrite Core, Half, ETD29, N97

FT00962

Ferrite Core, Half, ETD29, N97

EPCOS

The B66358GX197 is an ETD29-type Transformer Ferrite Core with N97 material grade. It has ungapped construction for SMPS transformers with optimum weight/performance ratio at small volume. The magnetic properties of NiZn materials can change irreversible i...

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ETD ETD29 N97 - 70.4mm 76mm² 2.25µH ETD
B66421U0250K187
B66421U0250K187 - Ferrite Core, Half, Gapped, EFD25

FT00996

Ferrite Core, Half, Gapped, EFD25

EPCOS

The B66421 series Transformer Core for DC/DC converters. E core with flattened, lower centre leg for especially flat transformer design.

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1+ £0.56 (£0.67) 50+ £0.24 (£0.29)

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- EFD25 N87 - 57mm 58mm² 250nH B66421 Series
B66361G0500X187
B66361G0500X187 - Ferrite Core, Half, Gapped, ETD34

FT00977

Ferrite Core, Half, Gapped, ETD34

EPCOS

The B66361 series Transformer Core for SMPS transformers with optimum weight/performance ratio at small volume.

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1+ £0.43 (£0.52) 50+ £0.39 (£0.47)

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- ETD34 N87 - 78.6mm 97.1mm² 251nH B66361 Series
B66421U0315K187
B66421U0315K187 - Ferrite Core, Half, Gapped, EFD25

FT00995

Ferrite Core, Half, Gapped, EFD25

EPCOS

The B66421 series Transformer Core for DC/DC converters. E core with flattened, lower centre leg for especially flat transformer design.

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- EFD25 N87 - 57mm 58mm² 315nH B66421 Series
B66363GX197
B66363GX197 - Ferrite Core, Half, ETD39, N97

FT00961

Ferrite Core, Half, ETD39, N97

EPCOS

The B66363GX197 is an ETD29-type Transformer Ferrite Core with N97 material grade. It has ungapped construction for SMPS transformers with optimum weight/performance ratio at small volume. The magnetic properties of NiZn materials can change irreversible i...

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ETD ETD39 N97 B66363 92.2mm 125mm² 2.8µH ETD
B66361G0000X187
B66361G0000X187 - Ferrite Core, Half, ETD34, N87

FT00969

Ferrite Core, Half, ETD34, N87

EPCOS

The B66361G0000X187 is an ETD34-type Transformer Ferrite Core with N87 material grade. It has ungapped construction for SMPS transformers with optimum weight/performance ratio at small volume. The magnetic properties of NiZn materials can change irreversib...

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Each

1+ £0.81 (£0.97) 50+ £0.80 (£0.96) 100+ £0.79 (£0.95) 500+ £0.75 (£0.90)

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- ETD34 N87 - 78.6mm 97.1mm² 2.6µH B66361 Series
B66423GX187
B66423GX187 - Ferrite Core, Half, EFD30

FT00991

Ferrite Core, Half, EFD30

EPCOS

The B66423GX187 is an EFD30-type Transformer Ferrite Core with N87 material grade. It has ungapped construction. The E-core with flattened, lower centre leg for especially flat transformer design and for DC/DC converters. The magnetic properties of NiZn ma...

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EFD EFD30 N87 - 68mm 69mm² 2.05µH EFD
B66361G1000X187
B66361G1000X187 - Ferrite Core, Half, Gapped, ETD34

FT00980

Ferrite Core, Half, Gapped, ETD34

EPCOS

The B66361 series Transformer Core for SMPS transformers with optimum weight/performance ratio at small volume.

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1+ £0.44 (£0.53) 50+ £0.40 (£0.48)

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- ETD34 N87 - 78.6mm 97.1mm² 153nH B66361 Series
B66413GX187
B66413GX187 - Ferrite Core, Half, EFD15

FT00992

Ferrite Core, Half, EFD15

EPCOS

The B66413GX187 is an EFD15-type Transformer Ferrite Core with N87 material grade. It has ungapped construction. The E-core with flattened, lower centre leg for especially flat transformer design and for DC/DC converters. The magnetic properties of NiZn ma...

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EFD EFD15 N87 - 34mm 15mm² 780nH EFD
TN29/19/15-3E25
TN29/19/15-3E25 - Ferrite Core, Toroid, 3E25

FT01601

Ferrite Core, Toroid, 3E25

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid TN29 3E25 - 73.2mm 73.9mm² 7µH -
TX10/6/4-3E6
TX10/6/4-3E6 - Ferrite Core, Toroid, 3E6

FT01585

Ferrite Core, Toroid, 3E6

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid TX10 3E6 - 24.1mm 7.8mm² 4.085µH -
TX42/26/13-3C90
TX42/26/13-3C90 - Ferrite Core, Toroid, 3C90

FT01613

Ferrite Core, Toroid, 3C90

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid - 3C90 - 103mm 95.8mm² 2.69µH -
TX36/23/15-3F3
TX36/23/15-3F3 - Ferrite Core, Toroid, 3F3

FT01608

Ferrite Core, Toroid, 3F3

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid TX36 3F3 - 89.7mm 97.5mm² 2.42µH -
TN14/9/5-3R1
TN14/9/5-3R1 - Ferrite Core, Toroid, 3R1

FT01590

Ferrite Core, Toroid, 3R1

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid - 3R1 - 35mm 12.3mm² - -
TX10/6/4-3E5
TX10/6/4-3E5 - Ferrite Core, Toroid, 3E5

FT01586

Ferrite Core, Toroid, 3E5

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid TX10/6/4 3E5 - 24.1mm 7.8mm² 3.4µH -
TX13/7.5/5-3C90
TX13/7.5/5-3C90 - Ferrite Core, Toroid, 13mm, 3C90

FT01589

Ferrite Core, Toroid, 13mm, 3C90

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid - 3C90 - 30.1mm 12.2mm² 1.17µH -
TN14/9/5-3C90
TN14/9/5-3C90 - Ferrite Core, Toroid, 3C90

FT01592

Ferrite Core, Toroid, 3C90

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid TN14 3C90 - 35mm 12.3mm² 1.015µH -
TN14/9/5-4C65
TN14/9/5-4C65 - Ferrite Core, Toroid, 4C65

FT01591

Ferrite Core, Toroid, 4C65

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid TN14/9/5 4C65 - 35mm 12.3mm² 55nH -
TX42/26/18-3E5
TX42/26/18-3E5 - Ferrite Core, Toroid, 3E5

FT01614

Ferrite Core, Toroid, 3E5

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid TX42 3E5 - 103mm 134mm² 12.9µH -
TN32/19/13-3E25
TN32/19/13-3E25 - Ferrite Core, Toroid, 3E25

FT01603

Ferrite Core, Toroid, 3E25

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid - 3E25 - 76mm 76.5mm² 6.95µH -
TN23/14/7-4C65
TN23/14/7-4C65 - Ferrite Core, Toroid, 4C65

FT01597

Ferrite Core, Toroid, 4C65

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid - 4C65 - 55.8mm 30.9mm² 87nH -
TN13/7.5/5-3C90
TN13/7.5/5-3C90 - Ferrite Core, Toroid, 3C90

FT01588

Ferrite Core, Toroid, 3C90

FERROXCUBE

The Ferrite Toroids from Ferroxcube are ring shape cores. This toroid is the optimal shape for magnetic induction, due to its perfectly closed magnetic circuit and homogenous cross section achieves highest inductance per turn (AL factor). The core shape is...

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Toroid - 3C90 - 30.1mm 12.2mm² 1.17µH -