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 Post subject: Gold finger cards
PostPosted: Thu Oct 29, 2020 1:25 pm 

Joined: Sat Feb 02, 2019 9:17 am
Posts: 35
So other than the bracket, do I need to remove the big copper windings? Like do they consider them heat sinks or similar?


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 Post subject: Re: Gold finger cards
PostPosted: Thu Oct 29, 2020 2:27 pm 
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Joined: Tue Feb 03, 2015 6:57 pm
Posts: 10500
Location: Low DOS
You need to post the back side as well.
They’re not gold finger cards.
Remove the brackets and they go as peripheral.
Removing anything lowers the weight on peripheral.

Post the back sides; if there’s a good IC population there MAY be an opportunity for low telco.

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 Post subject: Re: Gold finger cards
PostPosted: Thu Oct 29, 2020 3:11 pm 

Joined: Thu Aug 01, 2019 6:55 pm
Posts: 556
In the lower less populated board could you post a better picture of the metal "loaf of bread" near the middle of the board? It looks like a mercury relay to me.


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 Post subject: Re: Gold finger cards
PostPosted: Sat Oct 31, 2020 10:58 am 

Joined: Sat Feb 02, 2019 9:17 am
Posts: 35
So these don't always count as gold fingers? There's nothing on the back for components, buy there's gold on both sides of the fingers. Does cutting them off degrade it aswell?

The big silver thing is definitely a relay but mercury im not sure. I've found a few on somenof these old telecom boards but mostly theyve been labelled as mercury. But, is it. Mercury switch?

Thanks


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 Post subject: Re: Gold finger cards
PostPosted: Sat Oct 31, 2020 12:12 pm 

Joined: Thu Aug 01, 2019 6:55 pm
Posts: 556
Not actually sure if it is or not, but the package looked like one so I would assume it is.
Yes, those are gold fingers, there are some exceptions, like the "fingers" on the LCD panel boards.
I will let lost correct me if I am wrong, On either thing.


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 Post subject: Re: Gold finger cards
PostPosted: Sat Oct 31, 2020 1:28 pm 
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Joined: Tue Feb 03, 2015 6:57 pm
Posts: 10500
Location: Low DOS
I don’t deny the gold fingers.
However simply having gold fingers doesn’t automatically make a gold finger card in all cases.
Much like socket terminators, slot cpu terminators.

Remove the brackets. And any tray under the card.

You will probably get peripheral. Which is actually better than the lowest gold finger class. At worst it will be downgraded to low grade gold finger card.

As for the relay:
Despite the package design for the relay; I have 18 references to the part number in may database and non have it listed as mercury.
While I normally demand better safe than sorry I can find nothing for the posted part number to suggest it is anything other than a dry relay that used/reused the old aluminium case package post mercury phase-out.
For this posting and this posting alone: go ahead and send it in.

(To get this handled properly copy the topic link from the browser. When you fill out the quote on the final pre submission page is a text box layout of your quote.
Scroll down to the bottom of it
Click at the end of the text and tap enter/return to make a new line and paste the link in before you submit. )

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