I work on automotive HMI and don't have to guess how many can sit in a warehouse for many years and still have good caps.
They're subject to a lot worse than that for design verification. And I assure you John Deere has many _many_ PCBs that have sat for 10 years to enable service needs today, it's not like they just started using complex circuit boards yesterday...
They're subject to a lot worse than that for design verification. And I assure you John Deere has many _many_ PCBs that have sat for 10 years to enable service needs today, it's not like they just started using complex circuit boards yesterday...