Alps common mount low profile

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Alps common mount low profile
Alps common mount low profile -- infobox.jpg
Manufacturer Alps Electric
Sense method Metal leaf
Keycap mount Alps mount
Switch mount PCB mount

Alps common mount low profile (or Alps octagonal for short) is a provisional name for a low-profile PCB mount switch from Alps. This switch uses the common "Alps mount" keycap mount, unlike the Alps low profile switch which has a unique mount.[1] The slider design is similar to that of Alps SKCL/SKCM series, but reduced in front-to-back depth to fit inside the switch's small shell; the contact mechanism is very similar to that of Alps SKFL.

The only branding is a minute Alps logo in the centre of the base, visible only by desoldering the switch.[1]

No keyboard has been found to date that offers a single letter of the switch series name. The only contender is SKFN, of which SKFNAA is the sole discovered model number. As these switches appear to be older than SKFR/SKFS, SKFN is plausible, but this theory remains wholly unconfirmed.



  • White slider
  • Black slider


  • White slider
  • Recess for fitting an LED



Standard variant with white slider

Standard variant with black slider

LED variant


  1. 1.0 1.1 ちゃたりたいね — ZENITH ZA-180-89 ALPS導電ゴム枕
  2. MouseFan — IBM 5556 P/N5962851
  3. MouseFan — Toshiba UE0254P02