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Group buy: DCT03 DC trap (filter) for toroidal transformers
Group buy: DCT03 DC trap (filter) for toroidal transformers
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Old 7th January 2018, 04:44 PM   #1
peranders is offline peranders  Sweden
Electrons are yellow and more is better!
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Join Date: Apr 2002
Location: Göteborg, Sweden
Group buy: DCT03 DC trap (filter) for toroidal transformers
Default Group buy: DCT03 DC trap (filter) for toroidal transformers

I have made a bigger DC filter for getting rid of the hum in big toroidal transformers. The pcb has 105 um copper and more than 1 cm wide traces. If the interest is big enough I will go ahead with a group buy. The diode package can handle 12 amps and 68000 uF/16 V caps will fit. This pcb is perfect for those who like it big.
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/Per-Anders (my first name) or P-A as my friends call me
Group buy: DCT03 DC trap for big toroidal transformers. Sign up for interest HERE. 69 pcb's in order. 69 paid.

Last edited by peranders; 7th January 2018 at 04:49 PM.
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Old 10th January 2018, 08:48 AM   #2
peranders is offline peranders  Sweden
Electrons are yellow and more is better!
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Join Date: Apr 2002
Location: Göteborg, Sweden
Group buy: DCT03 DC trap (filter) for toroidal transformers
I see that I have got some boards in interest. Let's hope we reach the set goal.
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/Per-Anders (my first name) or P-A as my friends call me
Group buy: DCT03 DC trap for big toroidal transformers. Sign up for interest HERE. 69 pcb's in order. 69 paid.
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Old 18th January 2018, 08:09 AM   #3
peranders is offline peranders  Sweden
Electrons are yellow and more is better!
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Join Date: Apr 2002
Location: Göteborg, Sweden
Group buy: DCT03 DC trap (filter) for toroidal transformers
The interest is increasing. That's good.
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/Per-Anders (my first name) or P-A as my friends call me
Group buy: DCT03 DC trap for big toroidal transformers. Sign up for interest HERE. 69 pcb's in order. 69 paid.
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Old 23rd January 2018, 11:10 PM   #4
Johnny2Bad is offline Johnny2Bad  Canada
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Under what conditions (or VA rating) would the ~03 version be preferred over the ~02?
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Old 24th January 2018, 04:56 AM   #5
peranders is offline peranders  Sweden
Electrons are yellow and more is better!
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Join Date: Apr 2002
Location: Göteborg, Sweden
Group buy: DCT03 DC trap (filter) for toroidal transformers
Some people want simply more and in case you have more than 6 amps you will also need it.
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/Per-Anders (my first name) or P-A as my friends call me
Group buy: DCT03 DC trap for big toroidal transformers. Sign up for interest HERE. 69 pcb's in order. 69 paid.
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Old 31st January 2018, 11:23 AM   #6
peranders is offline peranders  Sweden
Electrons are yellow and more is better!
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Join Date: Apr 2002
Location: Göteborg, Sweden
Group buy: DCT03 DC trap (filter) for toroidal transformers
The DCT02 has 6 amp diodes so this could be a practical limit but for 110 V countries this could be a bit low but since you can add more capacitance you will get a very good current capability plus that the diode chain can handle more. I have four diodes in series so the DC limit is also increased.
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/Per-Anders (my first name) or P-A as my friends call me
Group buy: DCT03 DC trap for big toroidal transformers. Sign up for interest HERE. 69 pcb's in order. 69 paid.
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Old 20th February 2018, 06:26 PM   #7
shattered_dream is offline shattered_dream  Germany
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Hmmm would be interested too
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Old 20th February 2018, 07:21 PM   #8
peranders is offline peranders  Sweden
Electrons are yellow and more is better!
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Join Date: Apr 2002
Location: Göteborg, Sweden
Group buy: DCT03 DC trap (filter) for toroidal transformers
Don't forget to sign the list.
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/Per-Anders (my first name) or P-A as my friends call me
Group buy: DCT03 DC trap for big toroidal transformers. Sign up for interest HERE. 69 pcb's in order. 69 paid.
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Old 20th February 2018, 08:33 PM   #9
shattered_dream is offline shattered_dream  Germany
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Will do tomorrow
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Old 21st February 2018, 07:05 AM   #10
shattered_dream is offline shattered_dream  Germany
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Done....
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