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Keyboard–switch database Omron B3G-S Click Amber


Manufacturer Omron
Series B3G-S
Variants Japan removed; no LED recess (un-Japan; R:N)

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


1 1 1
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.


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
Great Wall KBD5 1993 (IC) Yantai B3G-S clone yellow
Omron B3G-S Click Amber (un-Japan; R:N) (space bar)
Omron B3G-S Click Amber (un-Japan; R:N) (enter)
www.pcwaishe.cn FCC ID JO6RA-1D was issued in 1992 to Yantai Computer Corporation of China as their only ID; this matches “RA-1D” written on the PCB