There should be no problem using a regular tantalum there. One little known factoid about HP test equipment is that it is mostly designed to military specifications. As the story goes, if the military orders a military version of a piece of test equipment about the only thing that changes is the paint color. So they may have used the wet tantalum for that reason, or maybe it was the more common part back when this was made. Wet tantalums aren't used as much these days, if for no other reason than the "wet" part that leaks can cause a lot of damage. Bill Karkula wrote:
I acquired an HP1740A scope and all is well except this one capacitor described as 100uF 20V +/- 10% wet tantalum which has leaked and the electrolyte crystallized located on the timebase board. Do I need to replace it exactly or is there a newer type of capacitor that can be used as a substitute with better than or equal to characteristics of a wet tantalum? I looked around and the wet tantalums are very pricey. I know capacitor technology has come a long way and maybe someone can help save me the research.
Thank You,
Bill
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