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Old 20th November 2005, 02:22 AM   #1
KT is offline KT  United States
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Default BOZ builders - Here's a source for TIP29

I ran across this and ordered some for the BOZ I'm finishing up.

This may be helpful to any of you BOZ builders who need this discontinued part.

http://tinyurl.com/73zlk

Best,
KT
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Old 20th November 2005, 11:22 PM   #2
Zen Mod is offline Zen Mod  Serbia
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any decent npn with more than 90V ,few amperes and 20W will do same job

besides-look at this -who need tip29?

http://choky.on.neobee.net/My_BOZ.html
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Old 22nd November 2005, 09:10 AM   #3
JPS is offline JPS  India
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Hi KT

What is make of capacitors, of value 1mfd/100V and 10mfd/100V, you are using for BOZ?
I need to know the size of these capacitors.

Thanks
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Old 30th November 2005, 04:26 PM   #4
KT is offline KT  United States
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Quote:
Originally posted by JPS
What is make of capacitors, of value 1mfd/100V and 10mfd/100V, you are using for BOZ?
I need to know the size of these capacitors.

JPS,

For the 1uF input caps, I'm using Auricaps. They somewhat longer than the spacing for the input caps, but it's really easy to bend the leads around and under to fit. If you do it this way the caps sit about 1cm above the board. Not a problem at all.

For the 10uF output caps, I used a pair of 10uF 100v Elna Cerefine caps. I don't know if they make these anymore. I got them a while ago and then I remember something about Elna discontinuing their higher voltage Cerefines or something like that. On the Pass board, the pads for the 10uF caps are space a bit wide (for film caps, looks like) so the leads are a little longer than the normal radial electrolytic spacing, but it fits on the board fine with the leads kept long.

Good luck,
KT
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Old 30th November 2005, 05:15 PM   #5
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Quote:
Originally posted by KT


JPS,

For the 1uF input caps, I'm using Auricaps....

For the 10uF output caps, I used a pair of 10uF 100v Elna Cerefine caps. ..

Good luck,
KT
Black Gate N 50V non polar fits here too.

BTW: What output potentiometer value are you using. I built mine w/ Alps 10k, at that time I didn´t find source for Clarostat 5k. Any serious issue here?

In advance thanks to all

JC
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