Joule Thief

Pirate88179 · November 30, 2009, 01:06:16 AM

Jeanna:

Here are the search results I got from them:

http://www.mag-inc.com/home/Advanced_Search_Results?pn=48613TC

There are 6 different toroids with that part number and different prefix letters.

Bill

xee2 · November 30, 2009, 01:08:05 AM

@ jeanna

The tile of the file is "Magnetics SFF Catalog3 2_09.pdf" put that in Google and you can download it from the site that comes up. I just did this.

xee2 · November 30, 2009, 01:11:30 AM

Quote from: Pirate88179 on November 30, 2009, 01:06:16 AM
Jeanna:

Here are the search results I got from them:

http://www.mag-inc.com/home/Advanced_Search_Results?pn=48613TC

There are 6 different toroids with that part number and different prefix letters.

Bill

The prefixes are the different materials. We want the "0W" prefix. Part number for the 3.38" diameter toroid is: OW48613TC

jeanna · November 30, 2009, 01:17:41 AM

Quote from: kooler on November 30, 2009, 01:02:19 AM
question here
i wrap one tor-60
secondarys... back and forth in till i got 700 turns and it got me 125volts on the scope
should i wrap all the way around.. in layers to try to get higher volts...
i got one with 426 turns that gives me 357volts.. one layer
i also ordered some 3055's to see if that helps...
is it that i wrap it right handed...

You cannot do this with a 2N3904.
You do need a 3055
I got better results with a tip3055

I always had worse results wrapping all the way around, but I believe that is what lidmotor did.

Hang on and I will describe my new winding method because it is very stable.

BTW
Can you light a neon with this?

I will be back

@xee2 and Bill
I got it thanks.
I want to download it now bbs.

jeanna

Pirate88179 · November 30, 2009, 01:23:17 AM

I found part number 8625 here:

http://www.mag-inc.com/products/ferrite_cores/toroids (about 3/4 down the page)

It is only available in the J material and they do not show it any longer in the W.

(The J=5,000u and the W=10,000u)

If they are listing it still in the PDF that Xee posted, that is a good sign.

Just in case anyone does not know an easy way to convert mm to inches...just multiply by .03937 and it will give it to you in inches. To convert inches to mm, multiply by 25.4. Easy. We had to do this all the time in the machine shop.

Bill