Electronics Forum: downhole (Page 1 of 1)

solder paste for 200 degs c continuous operation?

Electronics Forum | Wed Mar 21 11:42:54 EDT 2012 | davef

Downhole solder suggestions, in order of preference are: * Kester Sn96.3Ag3.7. Most vendors do not stock straight tin-silver alloys, whose wallet is that fat? * SAC305 can usually be used in place of one of the copper-free tin-silver alloys in downho

solder paste for 200 degs c continuous operation?

Electronics Forum | Wed Mar 21 10:37:02 EDT 2012 | torch

we are currently developing a 180 degs downhole tool and are right at the limits of our current solder paste, the tool has mostly surface mount parts and some fine pitch ic's. i was wondering if anyone had any recomendations for a suitable solder pas

High-Temperature Solder Paste/wire: Sn05Pb93Ag02B

Electronics Forum | Thu May 30 10:45:16 EDT 2002 | sjpence

We got a similar alloy Sn05Pb93.5Ag1.5, of Alpha Vaculoy bars. It is not the eutectic alloy you were looking for but it is close. This alloy and similar high temperature alloys are used in downhole electronics and so a supplier in the Houston area

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