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Keyboard–switch database Fujitsu leaf spring


Manufacturer Fujitsu
Sub-series leaf spring third generation
leaf spring second generation
leaf spring first generation

Created by Daniel on 2016-02-08


1G leaf spring typical: 1 1
2G leaf spring typical: 1
3G leaf spring clicky: 1
3G leaf spring linear: 1 1
Total: 1 1 1 1 1 1
Year: 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

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
leaf spring first generation typical 2
leaf spring second generation typical 1
leaf spring third generation clicky yellow 1
leaf spring third generation linear clear
unknown colour


Model Year(s) Switches Serial PCB codes Reference Notes
Fujitsu Micro 8 keyboard 1981 (IC) Fujitsu 1G leaf spring typical X29296 (int.) N86D-6125-R001/02, MP-381-HB park10.wakwak.com
Otrona Attaché keyboard 1982 (PCB)
1982 (IC)
Fujitsu 1G leaf spring typical www.flickr.com The keyboard PCB itself (with a 1981 Otrona Corp copyright) may be an Otrona product, with switches supplied separately by Fujitsu. The various PCB and and IC codes are not particularly straightforward!
Epson Q703C-AA 1983 (IC) Fujitsu 2G leaf spring typical 049989
Y55690 (int.)
N86D-1344-R001/03 plus.google.com
Fujitsu FMR30KB501 1988 (IC) Fujitsu 3G leaf spring clicky (yellow) P8Y03855
DY03767t (int.)
mousefan.telcontar.net While the 1988 year is a unconfirmed code from a lesser chip, the internal serial number is DY03767t, and a leading “D” is the expected letter for a 1988 keyboard.
Fujitsu OAKB-406 1994 (label) Fujitsu 3G leaf spring linear (clear) 175835
J600023t (int.)
Fujitsu F6962KB1A 2007 (label) Fujitsu 3G leaf spring linear (unknown) DF7900079 kbd.rzw.jp