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Old 11th October 2018, 04:44 PM   #561
bk856er is offline bk856er  United States
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Those insulating shoulder washers look great, prasi1170.

I have access to a cool little device called a Cameo Silhouette that does an excellent job cutting patterns from gasket and related sheet materials. Can anyone provide a dwg or solidworks file for the thermal pad?

BK
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Old 11th October 2018, 04:47 PM   #562
pras1170 is offline pras1170  China
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Quote:
Originally Posted by dBel84 View Post
this is very kind of you - I have not been able to source them locally and had planned on trying to make something for myself.

..dB
This is just a time, I need time. I left the store in the afternoon, suspended business, and bought these. This is actually very simple. Many times, because I dont speak a lot of English, it leads to errors in translation software.

In fact, the person to be thanked is ZM. He knows me better, knows that I am using translation software, and it is very clear. He sent pictures to me. I only know what it is. These things are actually what I have seen. Something, once bought these, this 4M small particles, was a long time ago, placed in the warehouse, only tonight, so I quickly took pictures, posted to everyone
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Old 11th October 2018, 05:03 PM   #563
pras1170 is offline pras1170  China
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Quote:
Originally Posted by bk856er View Post
Those insulating shoulder washers look great, prasi1170.

I have access to a cool little device called a Cameo Silhouette that does an excellent job cutting patterns from gasket and related sheet materials. Can anyone provide a dwg or solidworks file for the thermal pad?

BK
Thank you, what are you talking about?

Is it about cutting insulation sheets?
Does it mean that you have the right scissors, and then you can cut the mica sheet, the same size as the SIT, right?
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Old 11th October 2018, 08:20 PM   #564
bk856er is offline bk856er  United States
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Quote:
Originally Posted by pras1170 View Post
Thank you, what are you talking about?

Is it about cutting insulation sheets?
Does it mean that you have the right scissors, and then you can cut the mica sheet, the same size as the SIT, right?
Yes, correct, although only flexible insulator sheets. Not mica.

BK
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Old 11th October 2018, 08:40 PM   #565
Zen Mod is offline Zen Mod  Serbia
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finally done with soldering tiny bugzzzz on first batch of Babelfish M25/SissySIT
pcbs

tomorrow some cleaning of no-clean flux (just for giggles) , then on to sorting parts and packing

also start working on tutorial , to ease some things for Greedy Boyz
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Old 11th October 2018, 08:42 PM   #566
Zen Mod is offline Zen Mod  Serbia
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Old 11th October 2018, 08:51 PM   #567
noelectrix is offline noelectrix  Europe
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@bk856er: i could try to make dwg file tomorrow, but do you have material to be cutted?
simple way with scissor would be fine also : )

best
stefan

Last edited by noelectrix; 11th October 2018 at 08:54 PM.
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Old 11th October 2018, 08:55 PM   #568
noelectrix is offline noelectrix  Europe
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Old 12th October 2018, 01:29 AM   #569
bk856er is offline bk856er  United States
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Quote:
Originally Posted by noelectrix View Post
@bk856er: i could try to make dwg file tomorrow, but do you have material to be cutted?
simple way with scissor would be fine also : )

best
stefan
No material yet. Id need to get opinions and order. Happy to cut for others. Basically the Cameo is a CNC exacto knife.

BK
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Old 12th October 2018, 07:03 AM   #570
ernesternest is online now ernesternest  Europe
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Default THF-51S fit the bill?

Good morning ZM and esteemed thread readers,

I got 4 trannies from Japan and curve traced them. What I get is different from what I have seen here before. My Sits show very low negative (so in fact very high) Vgs - roughly about 1,8V at 1A Id, which is what I want them to bias with. Even ZM once wrote here, he considers virtually all THF-51S convenient for this amp, I would feel better if I got some confirmation that mine might work. Otherwise I would ask Pras1170 for a pair.

Here is what I got:

THF-51s_b.jpg

Cheers

Ernst

Last edited by ernesternest; 12th October 2018 at 07:04 AM. Reason: rechtschreibung ;-)
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