Over The Air > Ham Radio Circuits and Repair
TS-520 Hi Voltage Cap Question
KI5GKD:
I am wondering if the Nichicon 150uf 600V units would be a good replacement for the stock 100uf 500V parts. I've always been kind of a "more is better" person when it comes to electrolytic caps.
https://www.mouser.com/ProductDetail/Nichicon/LGN2X151MELB50?qs=sGAEpiMZZMtZ1n0r9vR22ffSD%2FE6G10k56mBcRRVcAC4pqg3IyODsQ%3D%3D
KE4EST:
If you are referring to C19 and C20 you should be fine going to 150µF. This will give you 75µF total being that they are in series. I would not go much more than that though on the B+ line. You would be fine staying at 100µF also. As far as voltage more is better for sure. You will essentially have made a 75µF 1200V cap! That is 400V above the B+ so you should be safe there. ;D
KI5GKD:
That's kinda what I figgered but wanted a sanity check. They were just delivered from Mouser about 5 minutes ago. I am torn between saving them for "when" or replacing them proactively. I really hate tearing into something that works fine!
Crambone:
Replace them now don’t wait for them to go and possibly cause issues.
KI5GKD:
I probably will, just trying to weight that against me fat-fingering something! My wife reminds me often how many things that quit working after I "fixed" them... :o
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