Conception de PCB

Quel jeu devez-vous inclure dans les trous des composants traversants?

  • 0.1mm is too tight toward the high end if you’re designing for automatic insertion of parts with bent leads.
  • habituellement 0.8mm is okay for most leads except fat diode leads, for which you can use 1.0mm.
  • Usually 1.3mm holes are specified for 1mm pins (for example on terminal block datasheets).
  • Sometimes 1.5mm which is really, really loose.

If the leads are flat or square rather than round, you can go a bit tighter on the diagonal dimension, assuming a round hole. For really flat leads, it’s better to specify a slot.

If you’re using some kind of special part, such as a staked connector or press-fit part, pay attention to the tolerances.

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#Assemblage de PCB #Conception de PCB

Olivier Smith

Oliver est un ingénieur en électronique expérimenté, spécialisé dans la conception de PCB., circuits analogiques, systèmes embarqués, et prototypage. Ses connaissances approfondies couvrent la capture schématique, codage du micrologiciel, simulation, disposition, essai, et dépannage. Oliver excelle dans l'art de faire passer des projets du concept à la production de masse en utilisant ses talents de concepteur électrique et ses aptitudes en mécanique..

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