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My New 12V SMPS w/Computer PSU Transformer
My New 12V SMPS w/Computer PSU Transformer
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Old 11th February 2010, 05:02 AM   #31
geraldfryjr is offline geraldfryjr  United States
diyAudio Member
Join Date: Feb 2008
Location: Jackson,michigan
i just found this.this is too cool!! i have thought of rewinding them but not flipping it around.and yes acording to transformer theory you should get more power with a higher frequency.2xfreq=2xpower handling.providing the core responds and the winding can handle the current.i'd say 50% more is worth shooting for.i have been looking everywhere for something like this to power abunch(like 8 to 16)of lm3886's in my car.please post any more progress you have made.jer
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Old 9th March 2010, 10:56 AM   #32
shashankparab is offline shashankparab
diyAudio Member
Join Date: Mar 2010
Default Mosfet heatsink isolation

With regards to the heatsink isolation, I use a .5mm (approx) thick cotton cloth soaked in heatsink compound. Make the hole in the heatsink bigger, and fix a hard wooden stick in it, make a small hole into it to accomodate the screw coming from mosfet's tab.

That's it, it can easily sustain the high temp. till everything burn out or melt.

- Shashank
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