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Keyboard–switch database Omron B3G-S Click White variant: Japan removed; no LED recess


Details

Switch Omron B3G-S Click White (un-Japan; R:N)
Manufacturer Omron

Created by Daniel on 2015-11-01; modified by Daniel on 2016-01-03

Timeline

1 1
1988 1989

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
Costar CSK-1101P 1988 (IC) Omron B3G-S Click Amber (un-Japan; R:N)
Omron B3G-S Click White (un-Japan; R:N) (space bar)
Alps SKCL Compact (function row)
89006191 CSK-1101P VER 1.7 deskthority.net Another component has a 1989 date, which matches the serial number.
SIC 101A8 1989 (IC) Omron B3G-S Click Amber (un-Japan; R:N)
Omron B3G-S Click White (un-Japan; R:N) (space bar)
B5GS-R101-620, 0292414-0A kbtalking.cool3c.com White clicky B3G-S used also for the enter key.

PCB code 3: TW2147

The smaller chips are marked 941405, which for Mitsubishi indicates a year ending 9. This cannot be 1979 and is unlikely to be 1999, so 1989 is presently assumed. That would make the controller IC two years older if it really is from 1987