SMK SS Series
SS Series is a type of notebook keyboard from SMK. Its market introduction date was the 4th of June 1996 (not 1966 as SMK claimed). Judging by Wayback Machine archives, lifetime at introduction was 5 million cycles, increased to 10 million by 1998.
Characteristics
| Total height | 7.5 mm |
|---|---|
| Weight | 100 g for an 83-key keyboard |
| Travel | 3 mm |
| Pitch | 19.05 mm |
| Operating force | 50±20 gf |
| Bounce | 5 ms max. |
| Contact resistance | 500 Ω max. |
| Lifetime | 5 million (1996) |
| 10 million (19968) | |
| Type | Membrane |
| Keytop | Step type |
Sources
- 1996 specifications (SMK website via Wayback Machine)
- 1998 specifications (SMK website via Wayback Machine)
- New product information page (SMK website via Wayback Machine)