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Alps KFF Series
| Alps KFF | |
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| Manufacturer | Alps Electric |
| Part Number | KFF#####1) |
| Switch Type | Clicky |
| Travel | 3.5mm |
| Sense method | Metal contact |
| Mount | Plate mount |
| Rated lifetime | Unknown |
| Quoted operating force | Unknown |
</WRAP> The *Alps KFF Series*, sometimes referred to as SKFF2) or Alps vertical plate spring, is a series of keyboard switches made by Alps Electric in the late 1970s-1980s.