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falafilo
 Post subject: Color of Processors pins
PostPosted: Sun May 08, 2016 9:58 am 

Joined: Mon Apr 04, 2016 2:20 pm
Posts: 2
Hi,

I want to ask why there are some processors with white pins? is it platinum or silver??

like this photos


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S_Intel-KU80486SX-25 (PGA adapter).jpg
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S_Intel-KU80386EXTC25.jpg
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S_Intel-FA80386EXTB25.jpg
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mls26cwru
PostPosted: Sun May 08, 2016 10:12 am 

Joined: Fri Jan 31, 2014 12:53 pm
Posts: 467
nope... they are just a steel or an alloy like Korvar...the metalic leads have no precious metals on the outside of the package... on the inside of the ceramic/epoxy they are attached to gold bonding wires that are incredibly tiny.
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lostinlodos
PostPosted: Sun May 08, 2016 12:23 pm 
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Joined: Tue Feb 03, 2015 6:57 pm
Posts: 9764
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Actually those leed pins are often nickel, not steel. While considerably higher value than steel ($2.50-$3/lb) they're nothing special for pm.
Mls is probably correct
I believe the top one goes green fibre no metal.
Other two are standard ic rate.
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gorven
PostPosted: Mon May 09, 2016 6:53 am 

Joined: Wed Mar 19, 2014 1:59 pm
Posts: 68
Curious since there 386/486 chips why wouldnt they fall in that category?
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mls26cwru
PostPosted: Mon May 09, 2016 7:42 am 

Joined: Fri Jan 31, 2014 12:53 pm
Posts: 467
starndard IC chip rate.... they only make the 386/486 class if they have the ceramic body with the legs and gold cap intact.
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lostinlodos
PostPosted: Mon May 09, 2016 2:00 pm 
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Quote:
Mls is probably correct
I believe the top one goes green fibre no metal.
Other two are standard ic rate.
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