Mounting an ei core sideways

studiostevus · 8th May 2011, 09:16 AM

I have a rather bulky/ tall ei core transformer for my dac. So instead of buying a 4U high chassis, i was thinking about laying the transformer flat (of course properly mounted).

Can i do this and what will it do with any RF to surrounding components?

Thanks

studiostevus · 15th May 2011, 08:12 PM

Nobody? Or stupid question?

DF96 · 15th May 2011, 09:12 PM

You are unlikely to get RF from a transformer, unless your rectifiers generate it. You may get hum or buzz. Magnetic flux will mainly follow the core, but some will leak out. Wires/components which are parallel to the windings are most likely to have a voltage induced in them. For PSU components, which are the only ones which should be near the transformer anyway, induction should not be an issue as direct currents through them are likely to be greater. Distance is more important than orientation.

Andersonix · 15th May 2011, 10:06 PM

Yes, you can do it if properly mounted.

8th May 2011, 09:16 AM	#1
studiostevus diyAudio Member Join Date: Oct 2009 Location: The Hague	Mounting an ei core sideways I have a rather bulky/ tall ei core transformer for my dac. So instead of buying a 4U high chassis, i was thinking about laying the transformer flat (of course properly mounted). Can i do this and what will it do with any RF to surrounding components? Thanks

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15th May 2011, 08:12 PM	#2
studiostevus diyAudio Member Join Date: Oct 2009 Location: The Hague	Nobody? Or stupid question?

15th May 2011, 09:12 PM	#3
DF96 diyAudio Member Join Date: May 2007	You are unlikely to get RF from a transformer, unless your rectifiers generate it. You may get hum or buzz. Magnetic flux will mainly follow the core, but some will leak out. Wires/components which are parallel to the windings are most likely to have a voltage induced in them. For PSU components, which are the only ones which should be near the transformer anyway, induction should not be an issue as direct currents through them are likely to be greater. Distance is more important than orientation.

15th May 2011, 10:06 PM	#4
Andersonix diyAudio Member Join Date: Jan 2004 Location: Silicon Valley	Yes, you can do it if properly mounted.

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