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High Frequency Transformers

Low Frequency Transformers

Inductors and Chokes

Specialty Coils

Custom Ferrite Cores

Power Reactors

PCB Assembly

Power Supplies

Low Frequency Transformers

We offer a large range of Low Frequency lamination transformers. Single phase with power rating from 1VA to 20kVA and 3 Phase Dry type Transformers from 100VA to 200kVA

Metric and Imperial Laminations are readily available from all our facilities

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Technical Data

Technical Data

Frequency Range: 50/60Hz

Single phase transformers

Power rating: 1VA to 20kVA

Three phase dry type transformers

Power rating: 100VA to 200 kVA

Power Capacity by Core Type

Power Capacity by Lamination type:

The selection of the lamination type for a specific transformer depends on the design parameters and the designer’s personal preferences. The indicative power capacity for different lamination types (chart below) provides a general guideline for an initial core selection for electrical transformers. Or refer to our Transformer Size / Power Calculator in our Calculator section

:

Power Capacity by Lamination Type Table

Lamination Bobbin Dimensions and Footprints

Metric Laminations

EI 24x8.6
EI24x8.6-Transformer-Assembly.pdf
EI 28x13.5
EI28x13.5-Transformer-Assembly-1.pdf
EI 30x12.5
EI30x12.5-Assembly-1.pdf
EI 30x18
EI30x18-Assembly-1.pdf
EI 35x13.5
EI35x13.5-Assembly-1.pdf
EI 41x15
EI41x15-Assembly.pdf
EI 43x14.5
EI43x14.5-Assembly-1.pdf
EI 48x16
EI48x16-Assembly-1.pdf
EI 48x20
EI48x20-Assembly.pdf
EI 57x19
EI57x19-Transformer-Assembly.pdf
EI 66x25.7
EI66x25.7-Assembly.pdf
EI 66x28
EI66x28-Assembly.pdf
EI 76x38
EI76x38-Assembly.pdf
EI 76x46
EI76x46-Transformer-Assembly.pdf
EI 96x31.8
EI96x31.8-Transformer-Assembly.pdf
EI 83
EI83-Lamination-E.sldprt EI83-Lamination-I.sldprt
EI 85
EI85-Lamination-E.sldprt EI85-Lamination-I.sldprt
EI 105
EI105-Lamination-E.sldprt EI105-Lamination-I.sldprt
EI 111
EI111-Lamination-E.sldprt EI111-Lamination-I.sldprt
EI 114x45
EI114x45-Assembly.pdf
EI 133x60
EI133x60-Transformer-Assembly.pdf
EI 133x75
EI133x75-Assembly.pdf
EI 120
EI120-Lamination-E.sldprt EI120-Lamination-I.sldprt
EI 150x50
EI150x50-Transformer-Assembly.pdf
EI 171x60
EI171x60-Transformer-Assembly.pdf

Imperial Laminations

43 1x1in
43-1x1-IN-Plan-4.pdf 43-1x1-IN-Plan-1.slddrw
43 1x1.25 in
43-1x1.25-IN-Plan.pdf 43-1x1.25-IN-Plan.slddrw
43 1x1.7 in
43-1x1.7-IN-Plan.pdf 43-1x1.7-IN-Plan.slddrw
120 0.75 in SQ
120-0.75-IN-SQ-Plan-1.pdf 120-0.75-IN-SQ-Plan.slddrw
120 0.75x1 in
120-0.75-x-1IN-Plan-1.pdf 120-0.75-x-1IN-Plan.slddrw
130 0.688x0.813 in
130-0.688-x-0.813-IN-Plan-1.pdf 130-0.688-x-0.813-IN-Plan.slddrw
173 1.5 in SQ
173-1.5IN-SQ-Plan-1.pdf 173-1.5IN-SQ-Plan.slddrw
173 1.5x2.25 in
173-1.5x2.25IN-Plan-1.pdf 173-1.5x2.25IN-Plan.slddrw
173 1.5x3 in
173-1.5x3IN-Plan-1.pdf 173-1.5x3IN-Plan.slddrw
173 1.5x3.5 in
173-1.5x3.5IN-Plan-1.pdf 173-1.5x3.5IN-Plan.slddrw
174 1.25 in SQ
174-1.25-IN-SQ-Plan-1.pdf 174-1.25-IN-SQ-Plan.slddrw
174 1.25in x 50mm
174-1.25INx50mm-Plan-1.pdf 174-1.25INx50mm-Plan.slddrw
174 1.25x1 in
174-1.25x1-IN-Plan.pdf 174-1.25x1-IN-Plan.slddrw
174 1.25x1.75 in
174-1.25x1.75IN-Plan-1.pdf 174-1.25x1.75IN-Plan.slddrw
174 1.25x3 in
174-1.25x3IN-Plan-1.pdf 174-1.25x3IN-Plan.slddrw
180 1.75x0.75 in
180-1.75x0.75IN-Plan-1.pdf 180-1.75x0.75IN-Plan.slddrw
180 1.75x2 in
180-1.75x2IN-Plan-1.pdf 180-1.75x2IN-Plan.slddrw
180 1.75x3 in
180-1.75x3IN-Plan-1.pdf 180-1.75x3IN-Plan.slddrw
212 0.563 in SQ
212-0.563IN-SQ-Plan-1.pdf 212-0.563IN-SQ-Plan.slddrw
212 0.563x0.688 in
212-0.563-x-0.688-IN-Plan-1.pdf 212-0.563-x-0.688-IN-Plan.slddrw
279 0.875 in SQ
279-0.875IN-SQ-Plan-1.pdf 279-0.875IN-SQ-Plan.slddrw
279 0.875x1 in
279-0.875-x-1IN-Plan-1.pdf 279-0.875-x-1IN-Plan.slddrw
279 0.875x1.25 in
279-0.875-x-1.25IN-Plan-1.pdf 279-0.875-x-1.25IN-Plan.slddrw
279 0.875x1.5 in
279-0.875-x-1.5-IN-Plan.pdf 279-0.875-x-1.5-IN-Plan.slddrw
P 2x2.5 in
P-2x2.5IN-Plan-1.pdf P-2x2.5IN-Plan.slddrw
P 2x3 in
P-2x3IN-Plan-1.pdf P-2x3IN-Plan.slddrw
P 2x3.5 in
P-2x3.5IN-Plan-1.pdf P-2x3.5IN-Plan.slddrw
Q 2.5 in SQ
Q-2.5IN-SQ-Plan-1.pdf Q-2.5IN-SQ-Plan.slddrw
Q 2.5x3 in
Q-2.5x3IN-Plan-1.pdf Q-2.5x3IN-Plan.slddrw
S 3x4 in
S-3x4IN-Plan-1.pdf S-3x4IN-Plan.slddrw

Metric Laminations

EI 24x8.6
EI24x8.6-Transformer-Assembly.pdf
EI 28x13.5
EI28x13.5-Transformer-Assembly-1.pdf
EI 30x12.5
EI30x12.5-Assembly-1.pdf
EI 30x18
EI30x18-Assembly-1.pdf
EI 35x13.5
EI35x13.5-Assembly-1.pdf
EI 41x15
EI41x15-Assembly.pdf
EI 43x14.5
EI43x14.5-Assembly-1.pdf
EI 48x16
EI48x16-Assembly-1.pdf
EI 48x20
EI48x20-Assembly.pdf
EI 57x19
EI57x19-Transformer-Assembly.pdf
EI 66x25.7
EI66x25.7-Assembly.pdf
EI 66x28
EI66x28-Assembly.pdf
EI 76x38
EI76x38-Assembly.pdf
EI 76x46
EI76x46-Transformer-Assembly.pdf
EI 96x31.8
EI96x31.8-Transformer-Assembly.pdf
EI 83
EI83-Lamination-E.sldprt EI83-Lamination-I.sldprt
EI 85
EI85-Lamination-E.sldprt EI85-Lamination-I.sldprt
EI 105
EI105-Lamination-E.sldprt EI105-Lamination-I.sldprt
EI 111
EI111-Lamination-E.sldprt EI111-Lamination-I.sldprt
EI 114x45
EI114x45-Assembly.pdf
EI 133x60
EI133x60-Transformer-Assembly.pdf
EI 133x75
EI133x75-Assembly.pdf
EI 120
EI120-Lamination-E.sldprt EI120-Lamination-I.sldprt
EI 150x50
EI150x50-Transformer-Assembly.pdf
EI 171x60
EI171x60-Transformer-Assembly.pdf

Imperial Laminations

43 1x1in
43-1x1-IN-Plan-4.pdf 43-1x1-IN-Plan-1.slddrw
43 1x1.25 in
43-1x1.25-IN-Plan.pdf 43-1x1.25-IN-Plan.slddrw
43 1x1.7 in
43-1x1.7-IN-Plan.pdf 43-1x1.7-IN-Plan.slddrw
120 0.75 in SQ
120-0.75-IN-SQ-Plan-1.pdf 120-0.75-IN-SQ-Plan.slddrw
120 0.75x1 in
120-0.75-x-1IN-Plan-1.pdf 120-0.75-x-1IN-Plan.slddrw
130 0.688x0.813 in
130-0.688-x-0.813-IN-Plan-1.pdf 130-0.688-x-0.813-IN-Plan.slddrw
173 1.5 in SQ
173-1.5IN-SQ-Plan-1.pdf 173-1.5IN-SQ-Plan.slddrw
173 1.5x2.25 in
173-1.5x2.25IN-Plan-1.pdf 173-1.5x2.25IN-Plan.slddrw
173 1.5x3 in
173-1.5x3IN-Plan-1.pdf 173-1.5x3IN-Plan.slddrw
173 1.5x3.5 in
173-1.5x3.5IN-Plan-1.pdf 173-1.5x3.5IN-Plan.slddrw
174 1.25 in SQ
174-1.25-IN-SQ-Plan-1.pdf 174-1.25-IN-SQ-Plan.slddrw
174 1.25in x 50mm
174-1.25INx50mm-Plan-1.pdf 174-1.25INx50mm-Plan.slddrw
174 1.25x1 in
174-1.25x1-IN-Plan.pdf 174-1.25x1-IN-Plan.slddrw
174 1.25x1.75 in
174-1.25x1.75IN-Plan-1.pdf 174-1.25x1.75IN-Plan.slddrw
174 1.25x3 in
174-1.25x3IN-Plan-1.pdf 174-1.25x3IN-Plan.slddrw
180 1.75x0.75 in
180-1.75x0.75IN-Plan-1.pdf 180-1.75x0.75IN-Plan.slddrw
180 1.75x2 in
180-1.75x2IN-Plan-1.pdf 180-1.75x2IN-Plan.slddrw
180 1.75x3 in
180-1.75x3IN-Plan-1.pdf 180-1.75x3IN-Plan.slddrw
212 0.563 in SQ
212-0.563IN-SQ-Plan-1.pdf 212-0.563IN-SQ-Plan.slddrw
212 0.563x0.688 in
212-0.563-x-0.688-IN-Plan-1.pdf 212-0.563-x-0.688-IN-Plan.slddrw
279 0.875 in SQ
279-0.875IN-SQ-Plan-1.pdf 279-0.875IN-SQ-Plan.slddrw
279 0.875x1 in
279-0.875-x-1IN-Plan-1.pdf 279-0.875-x-1IN-Plan.slddrw
279 0.875x1.25 in
279-0.875-x-1.25IN-Plan-1.pdf 279-0.875-x-1.25IN-Plan.slddrw
279 0.875x1.5 in
279-0.875-x-1.5-IN-Plan.pdf 279-0.875-x-1.5-IN-Plan.slddrw
P 2x2.5 in
P-2x2.5IN-Plan-1.pdf P-2x2.5IN-Plan.slddrw
P 2x3 in
P-2x3IN-Plan-1.pdf P-2x3IN-Plan.slddrw
P 2x3.5 in
P-2x3.5IN-Plan-1.pdf P-2x3.5IN-Plan.slddrw
Q 2.5 in SQ
Q-2.5IN-SQ-Plan-1.pdf Q-2.5IN-SQ-Plan.slddrw
Q 2.5x3 in
Q-2.5x3IN-Plan-1.pdf Q-2.5x3IN-Plan.slddrw
S 3x4 in
S-3x4IN-Plan-1.pdf S-3x4IN-Plan.slddrw

NEED A CUSTOM DESIGN?

Custom Design

Custom designing magnetics and wound components from scratch is what we do every day! Give us your electrical and mechanical parameters and we will design and prototype the component(s) to meet them

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Design from Spec

We can take your current full spec and reproduce it, improve it and/or find you alternative less costly materials which still meet your quality and certification standards.

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