Switch Dimensions and Physical Specifications

Cherry MX

For specifics,a list of all switch datasheets available on hand, please see the fullswitch datasheetdatasheets tab of ai03's designer resources spreadsheet

Simplified info (Graphics from datasheet):

• PCB thickness: 1.6mm
  Plate thickness: 1.5mm +-0.1mm
  Distance from Plate top to PCB top = 5mm
  

• Keyswitch spacing, typical: 19.05mm (0.75in)
  PCB dimensions as shown
  
• Plate dimensions
  General cutout: 14 x 14 mm
  (Levelling mechanism = Stabilizer)
  

  

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Alps SKCL/SKCM

Recovered partial datasheet from Deskthority Wiki

Simplified info (Graphics from datasheet):

• Plate thickness: 1.2mm
  PCB thickness unspecified (No PCB stabilizers existed)
  

  

• PCB/Plate dimensions
  General plate cutout size: 15.5 x 12.8 mm
  

  

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Omron B3G-S

Datasheet 1 from Deskthority Wiki
Datasheet 2

Simplified info (Graphics from datasheet):

• Plate thickness: 1.2mm
  PCB thickness: 1.6mm
  Standard plate cutout: 13.5 x 13.5 mm
  

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