We have been unhappy with capacitor supplies, but more often than not, intermediate suppliers or ourselves have been the source of our agida. [0201 & 0402 do seem to torture us with poor termination plating => tombstone. These we do get nuts about with the fabricator.]
90+% of our capacitors are commodities. [So, we could care less who supplies them.] We qualify the remainder based on engineering requirements.
Capacitors are a widely diverse class of components, often with issues that related specific class. Maybe if we knew a little about the issue, like even the class of capacitor.
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