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Button_Switch_SMD: Add 1188 and 1188E SMD Tact

Otavio Augusto Gomes requested to merge github/fork/gmsotavio/SW_SPST_1188E into master

Switronic 1188 and 1188E SMD Tact Switch
Product Page http://www.switronic.com/gallery/detail/383
Manufacturer Doc http://www.switronic.com/uploads/images/A01.gif
Footprint SW_SPST_1188E_1
General Properties SW_SPST_1188E_2
3D Settings SW_SPST_1188E_3
3D View SW_SPST_1188E_4
3D View SW_SPST_1188E_5
3D View SW_SPST_1188E_6
Manufacturer Drawing SW_SPST_1188E_0
Drawing Dimension (Self Review) SW_SPST_1188E_10

Notes

  • Travis errors refer to footprint center. I used the center of the datasheet rather than the suggested in KLC.
  • There are several manufacturers that produces this Tact Switch:
    • Diptronics (P/N: 1188E-1K2-V-TR)
    • Switronic (P/N: IT-1188E-DD)
    • ChipDip (P/N: SWT-1188E-1K2)
    • Homyet (P/N: HY-1188E-H38)

For this reason, I've neglected the manufacturer in footprint name.

  • Should the courtyard encompass the tactile switch? Dear reviewer, please double check the courtyard, because I'm not confident about that.

  • The switch pads are the number 3 and number 4, but the current symbol in KiCad library use pins 1 and 2. I need some guidance to make this footprint useful. For my personal use, I created a new symbol

Datasheet Schematic Proposed Schematic
SW_SPST_1188E_8 SW_SPST_1188E_9
  • The dimension 7 mm is missing in the aforementioned datasheet. This measure was taken from the datasheet from another manufacturer: http://www.yizhijia.com/Upload/30/IT-1188E-DD.jpg IT-1188E-DD
  • 1188 and 1188E are the same footprint. To make the 1188 variant I just removed the NPTH holes and changed the description and 3dshape name.
  • Must I append the sufix _Horizontal to this footprint?

All contributions to the kicad library must follow the KiCad library convention

Thanks for creating a pull request to contribute to the KiCad libraries! To speed up integration of your PR, please check the following items:

  • Provide a URL to a datasheet for the footprint(s) you are contributing
  • An example screenshot image is very helpful
  • If there are matching symbol or 3D model pull requests, provide link(s) as appropriate
  • Check the output of the Travis automated check scripts - fix any errors as required
  • Give a reason behind any intentional library convention rule violation.
Edited by kliment

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