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Keyboard–switch database BTC foam and foil


Manufacturer BTC

Created by Daniel on 2016-01-26


foam and foil discrete tactile: 1
foam and foil integrated: 1
Total: 1 1
Year: 1987 1988 1989 1990 1991 1992 1993

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


Switch Variants Part number Type Usage
foam and foil discrete tactile grey module 1
foam and foil integrated 1


Model Year(s) Switches Serial PCB codes Reference Notes
IPC IPC-5339 1987 (IC) BTC foam and foil discrete tactile (grey) 80500353 BTC-5339 REV62A utensilia.tk
BTC 7000 Series 1993 (IC) BTC foam and foil integrated utensilia.tk Reported to be model “7039r”; I seen no sign of this, although “7039” appears to be written on the PCB.