G1.3 Libraries are organized by functionality
Rather than grouping components (e.g. symbols, footprints) by their manufacturer, KiCad libraries are organized by component functionality. This grouping strategy has a number of key benefits:
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Similar components are grouped together, allowing alternative parts to be easily substituted
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If possible, symbols should be derived from existing symbols to reduce library size
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Generic parts which are produced by multiple manufacturers are supported
Library organization should follow the general form as described below, with each element separated by the underscore (_) character:
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Library function
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Library sub-function
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Tertiary qualifier
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Manufacturer name
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Component series name
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Extra library descriptors
Note: Some of the elements listed above may be omitted if not required.
For specific examples, refer to the guidelines for organizing symbol libraries and footprint libraries.