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Keyboard–switch database Key Tronic foam and foil tactile

Details

Manufacturer Key Tronic
Series foam and foil
Variants

Created by Daniel on 2015-10-19

Timeline

1 1 2 1
1989 1990 1991 1992 1993 1994 1995

Warning: Please note that the timeline must not be trusted until a statistically significant number of data points are present.

Keyboards

Model Year(s) Switches Serial PCB codes Reference Notes
E03091007 (Key Tronic) 1987 (case)
1989 (label)		 Key Tronic foam and foil tactile (two-dot unbranded w/cutouts) A079357 mousefan.telcontar.net Terribly confusing. The case is marked “10 6 87”, while the rear label is marked “33-08-89” (week 33 of 1989 was mid-August). The PCB is labelled “3091” followed by a sticker reading “201”, but I am discounting that as being a date for now. Unfortunately there is no picture of the ICs to help determine the most likely date.
Wang 725-3488 1990 (IC)
1990 (PCB)		 Key Tronic foam and foil tactile (two-dot unbranded) 0090243 (int.) 36355-2 utensilia.tk The Key Tronic model number is E03431001 per the label affixed to the PCB.
Sun Type 4 (Type 4) 1991 (IC)
1991 (PCB)		 Key Tronic foam and foil tactile (two-dot unbranded) 10687 RLH (int.) K T C B 37580-17 kbd.rzw.jp It's unclear which number on the label is the serial number (“S,K” perhaps) and the label on the inside may not be a serial number, but older Key Tronic keyboards do label that number as the serial number.
Lynk E03159051 1991 (IC)
1991 (PCB)		 Key Tronic foam and foil tactile (two-dot unbranded) C913738115 1T41570, 17939 deskthority.net
Wang 725-3488 1995 (label) Key Tronic foam and foil tactile (two-dot unbranded) — deskthority.net