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Recent content by siliconsage

  1. siliconsage

    Life calculations for circuit boards

    Hi everyone, Just to point out, I'm already using MILSPEC 217F. I was after something else to put forward in front of the customer. ATM the FETs and electrolytic cap are the worst offenders. The capacitors I can mitigate, but the FETs are always an issue no matter what parts I use. So, if I...
  2. siliconsage

    Life calculations for circuit boards

    Hi IRstuff, Any idea where I can get a copy of the Bellcore spec from? I've tried google, but it isn't showing a place to download it. Regards, Ad
  3. siliconsage

    Life calculations for circuit boards

    Hi Guys, I'm working on a new design for a customer and I've been asked to predict the lifetime of the PCB under certain conditions. I've used Milspec 217 before but I know it is very pessimistic and doesn't do the design any favours. I also know that using the calc, it suggest what components...

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