Buying SMPS Transformer Cores

Sh00pus · 21st April 2011, 02:05 AM

I'm trying to wind my own transformer for a SMPS but I cant seem to find a good place to buy them. I need an E25/13/7 Core. Digi-key and Mouser don't seem to have them. Anybody know if other places do?

Sh00pus · 21st April 2011, 09:26 PM

Oh. I also need to find a bobbin for it. Any place that sells transformer cores and bobbins?

mickeymoose · 22nd April 2011, 01:44 PM

Type into your search engine "ferrite core manufacturer" and a lot of names come up, mostly Chinese but also some in the US, GB and DE. E

lakeside · 22nd April 2011, 02:21 PM

For bobbins try here:

Transformer Components

Sh00pus · 27th April 2011, 01:39 AM

IS there anywhere else where I can get both the bobbin and the ferrite core? I typed in ferrite core manufacturer and websites that i cant order from popped up.

lakeside · 27th April 2011, 02:31 AM

Hi Sh00pus,
Finding a source for small DIY quantities of transformer components (bobbins, laminations, etc) IME is near impossible. I don't know of any place that sells both. You could try a custom transformer winder and see if they have what you need and would be willing to sell them too you from there stock (Electra-Print, Heyboer Transformer, MagneQuest).

Here's a link to a source for small quantities of cores.
Bridgeport Magnetics Group, Inc. Transformers

Hope this helps...good luck.
~Mike

21st April 2011, 02:05 AM	#1
Sh00pus diyAudio Member Join Date: Mar 2011	Buying SMPS Transformer Cores I'm trying to wind my own transformer for a SMPS but I cant seem to find a good place to buy them. I need an E25/13/7 Core. Digi-key and Mouser don't seem to have them. Anybody know if other places do?

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21st April 2011, 09:26 PM	#2
Sh00pus diyAudio Member Join Date: Mar 2011	Oh. I also need to find a bobbin for it. Any place that sells transformer cores and bobbins?

22nd April 2011, 01:44 PM	#3
mickeymoose diyAudio Member Join Date: Nov 2008	Type into your search engine "ferrite core manufacturer" and a lot of names come up, mostly Chinese but also some in the US, GB and DE. E

22nd April 2011, 02:21 PM	#4
lakeside diyAudio Member Join Date: Jul 2008 Location: Northeast Wisconsin	For bobbins try here: Transformer Components

27th April 2011, 01:39 AM	#5
Sh00pus diyAudio Member Join Date: Mar 2011	IS there anywhere else where I can get both the bobbin and the ferrite core? I typed in ferrite core manufacturer and websites that i cant order from popped up.

27th April 2011, 02:31 AM	#6
lakeside diyAudio Member Join Date: Jul 2008 Location: Northeast Wisconsin	Hi Sh00pus, Finding a source for small DIY quantities of transformer components (bobbins, laminations, etc) IME is near impossible. I don't know of any place that sells both. You could try a custom transformer winder and see if they have what you need and would be willing to sell them too you from there stock (Electra-Print, Heyboer Transformer, MagneQuest). Here's a link to a source for small quantities of cores. Bridgeport Magnetics Group, Inc. Transformers Hope this helps...good luck. ~Mike

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