Sir/ Ma'am, . How to read the dimension labels of this IC?enter image description here


I have annotated your drawing a little to help you understand it better: enter image description here


Values above the horizontal lines are in inches. Values below it are in mm.

  • why there is an plus and negative sign? – Jehu Basa J-b Feb 22 '16 at 8:27
  • 2
    that is tolerance values, allowed variations in production (for instance). 0.060±0.005 is the range 0.055 to 0.065. – Mikael Patel Feb 22 '16 at 9:12

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.