Electronics Forum: tantalum caps (Page 1 of 7)

Catastrophic failure of solid tantalum smt caps

Electronics Forum | Wed Mar 31 18:59:50 EST 1999 | Ron Beasley

Has anyone heard of a problem with catastrophic failure of large value (200uF) solid tantulum capacitors that have been exsposed to high humdity.

Re: Catastrophic failure of solid tantalum smt caps

Electronics Forum | Thu Apr 01 10:49:14 EST 1999 | AF Ng

| Has anyone heard of a problem with catastrophic failure of | large value (200uF) solid tantulum capacitors that have been | exsposed to high humdity. | I suppose that with water moisture seep in the capacitor, the risk is very high that abrupt o

Re: Catastrophic failure of solid tantalum smt caps

Electronics Forum | Thu Apr 01 14:00:17 EST 1999 | Ron Beasley

| | Has anyone heard of a problem with catastrophic failure of | | large value (200uF) solid tantulum capacitors that have been | | exsposed to high humdity. | | | I suppose that with water moisture seep in the capacitor, the risk is very high tha

Re: Catastrophic failure of solid tantalum smt caps

Electronics Forum | Fri Apr 02 02:01:24 EST 1999 | P.L. Sorenson - Technical Consultant

| | | Has anyone heard of a problem with catastrophic failure of | | | large value (200uF) solid tantulum capacitors that have been | | | exsposed to high humdity. | | | | | I suppose that with water moisture seep in the capacitor, the risk is ver

Tantalum caps “popcorn”

Electronics Forum | Thu Apr 25 01:20:58 EDT 2019 | smith88

I am having fractures in my tantalum caps, I believe it is from out fading but I am having a hard time convincing others. Where they are not hermatically sealed are thes fractures a concern? Moisture is entering the body regardless of the fractures?

Tantalum caps “popcorn”

Electronics Forum | Thu Apr 25 01:22:29 EDT 2019 | smith88

Out gassing not out fading

Tantalum caps “popcorn”

Electronics Forum | Sat Apr 27 15:45:25 EDT 2019 | smith88

Thanks I appreciate the information

Tantalum caps “popcorn”

Electronics Forum | Sat Apr 27 10:43:25 EDT 2019 | smith88

I have read this I guess the question I should be asking is what have you done when finding these? IPC says it enters the body so it is a defect many in my group feel it should not be because they are not hermacticaly sealed anyway. I am needing thou

Tantalum caps “popcorn”

Electronics Forum | Thu Apr 25 11:30:09 EDT 2019 | davef

Numerous technical papers on the web document the moisture sensitivity of tant caps. Here's one: https://nepp.nasa.gov/DocUploads/CE5125B5-E0EB-4CFA-8867BE3F3E342CA5/moisture%20effect%20Ta%202C%20M.pdf

wave soldering surface mount tantalum and ceramic capacitors

Electronics Forum | Thu Feb 04 09:09:07 EST 1999 | dave

Can anyone help me with the pros and cons of trying to wave solder tantalum and large (1812) ceramic capacitors. I do know that one may see fractures on larger cermaic caps, but have not seen much on the tantalums. Any insight as to what problems I c

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