I have been studying about transformers. When I went to buy some transformer cores from Alibaba for research, I saw different names like EE 15 transformer.
What does the EE10 or EE15 transformer code mean? Does that apply to any core?
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1 Answer
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EE cores are named with their dimensions.
The following is from EE10's datasheet from TDK:
As you can see, "10" here indicates the width in millimetres of a half core.
Correct Full name includes other dimensions as well. For example, when you see an EE10 it can be EE10/5/5 or EE10/5.5/5 (depending on the manufacturer) which includes the height of a half core (5.5 mm) and depth (~5 mm).
So yes, EE10, EE15 and similar names indicate the core shape and dimensions. But always check the manufacturer's datasheet as some of them may have slightly different dimensions such as the ones I mentioned above.
answered Jun 15, 2022 at 12:15
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4\$\begingroup\$ Important to also note: an EE core is one that has two E-shaped halves that get glued, taped, or clamped together. This is as opposed to an EI core, where you have one E-shaped part and one I-shaped part. There are other core shapes, but those are the only ones I know of named for the letters they resemble. \$\endgroup\$– HearthCommented Jun 15, 2022 at 15:18
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\$\begingroup\$ @Hearth LL, FL and UI \$\endgroup\$ Commented Jun 15, 2022 at 23:54
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\$\begingroup\$ @Hearth Also FF and TU \$\endgroup\$ Commented Jun 16, 2022 at 0:07