F3.1 SMD chip package naming conventions

The following footprint naming conventions should be used as examples for naming SMD chip package footprints.

If you do not find an appropriate convention that matches a particular footprint type, either contact the KiCad library team or try to match a convention set by existing library components.

In the entries below, variable fields are denoted as follows:

- Fixed fields
- Mandatory fields
- Optional fields

[Prefix]_[Imperial size]_[Metric size]Metric_[Modifiers]_[Options]

Prefix - Device type
Imperial size - Imperial case size (Optional)
Metric size - Metric case size (Optional)
Modifiers - Modifiers to footprint if non standard (Optional)
Options - Extra footprint options (Optional)

Example:

LED_0805_2012Metric_ReverseMount

Notes:

The prefix is determined by the default reference designator of the device, e.g.

Capacitor = C
Capacitor (polarised) = CP
Resistor = R
Diode = D

Case size codes:

Imperial Code	Metric Code	Size Imperial	Size Metric
01005	0402	0.0157 in × 0.0079 in	0.4 mm × 0.2 mm
0201	0603	0.024 in × 0.012 in	0.6 mm × 0.3 mm
0402	1005	0.039 in × 0.020 in	1.0 mm × 0.5 mm
0603	1608	0.063 in × 0.031 in	1.6 mm × 0.8 mm
0805	2012	0.079 in × 0.049 in	2.0 mm × 1.25 mm
1008	2520	0.098 in × 0.079 in	2.5 mm × 2.0 mm
1206	3216	0.126 in × 0.063 in	3.2 mm × 1.6 mm
1210	3225	0.126 in × 0.098 in	3.2 mm × 2.5 mm
1806	4516	0.177 in × 0.063 in	4.5 mm × 1.6 mm
1812	4532	0.18 in × 0.13 in	4.5 mm × 3.2 mm
1825	4564	0.18 in × 0.25 in	4.5 mm × 6.4 mm
2010	5025	0.197 in × 0.098 in	5.0 mm × 2.5 mm
2512	6332	0.25 in × 0.13 in	6.3 mm × 3.2 mm
2920	7451	0.29 in × 0.20 in	7.4 mm × 5.1 mm

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