Type OD1

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This article is a stub. You can help Deskthority by expanding it. Type OD1
Manufacturer Unknown
Switch type Clicky
Sense method Metal leaf
Keycap mount Alps mount
Switch mount Plate mount Type OD1 is an Alps mount switch. It is not an Alps clone; it has three legs like an Omron B3G-S series or KPT switch. The base is either designed to be reversible, or to support DPST.

There are no known photos of the switch in situ, so it is unclear how many are unmarked and how many are marked "D-TRNS".

A very similar switch has been found in another Costar keyboard, this time branded "D-TRANS"; the internals have not been inspected.[1]


  • Costar CSK-1101N[2]



  1. Deskthority — Costar CSK-1102S ver 1.5 apparently with Type OD1 (?)
  2. KBtalKing — ㊣ALPS軸類零組件比較㊣ Dated 2009-05-24. Retrieved 2015-07-22.