From: pcdhSpamMeSenseless@electrooptical.net   
      
   On 2026-01-19 18:45, Cursitor Doom wrote:   
   > Hi all,   
   >   
   > I think it might be a good idea to replace all the tantalum caps used   
   > for coupling and decoupling purposes is Uher tape deck I'm fixing up   
   > with new ones as I gather tants can go flaky over time. Now I have an   
   > awful lot of these caps in NOS  - see link - which I'd like to use up   
   > if possible. I can't think of any reason why they shouldn't be   
   > perfectly usable - can you? They're polysomething film types I   
   > believe:   
   >   
   > https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTjegZQJ9   
   Ng9dxJVpN4ISUbqPxfF_jFdBFCQ&s   
   >   
   > Will I be okay to use them?   
   >   
   You should be fine replacing the coupling caps.   
      
   Whether it works on the decaps sepends on whether the circuit requires   
   the higher ESR of the tants for stability.  Some do, some don't.   
      
   Cheers   
      
   Phil Hobbs   
      
   --   
   Dr Philip C D Hobbs   
   Principal Consultant   
   ElectroOptical Innovations LLC / Hobbs ElectroOptics   
   Optics, Electro-optics, Photonics, Analog Electronics   
   Briarcliff Manor NY 10510   
      
   http://electrooptical.net   
   http://hobbs-eo.com   
      
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