[R-390] OT: Wet or Solid Tantalum?

[rbethman]

Barry,

Yep! That's THE one!  The reason they eat the board is the "old" wet 
tantalum capacitors had an acid electrolyte.

Bob - N0DGN

Barry wrote:
> On Mon 10/11/08  2:20 PM , "Bill Hawkins" bill at iaxs.net sent:
>   
>> IIRC, the wet tantalums that I've seen in 60's HP gear have a larger
>> diameter at one end for the electrolyte seal. That's where the gunk
>> gets out and messes up the circuit board.
>>
>> The ones in England, with the blurry photo, are almost certainly
>> solid electrolyte caps.
>>
>> Bill Hawkins
>>     
>
> Is that little bell-ended cap (the one that has usually leaked) on the PC board in the AF deck on an R390A a wet tantalum?
>
> Barry - N4BUQ
>
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-- 
Bob - NØDGN