Library Conventions | KiCad EDA

Version 3.0.45

Library maintainer rules & guidelines

S4.1 General pin requirements

  1. Using a 100mil (2.54mm) grid, pin origin must lie on a grid node (IEC-60617)

  2. Pins should have a length of at least 100mil (2.54mm)

    • Pin length can be increased in steps of 50mil (1.27mm)

    • The number of characters in the pin number determine a pin’s length. When there are two characters in the pin number then 100mil (2.54mm) long pins should be used, when three characters then 150mil (3.81mm) long pins should be used, etc.

    • Pin length must not exceed 300mil (7.62mm)

    • Shorter pins are allowed on simple symbols for discrete devices such as resistors, capacitors, etc.

    • All pins on a symbol must have the same length

  3. Pin numbers must be unique (no two pins may have the same number)


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