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Keyboard–switch database Mitsumi Standard Mechanical


Details

Manufacturer Mitsumi

Created by Daniel on 2015-10-25; modified by Daniel on 2015-12-21

Timeline

Std Type 1: 1 1 1
Std Type 1 Lock: 1 1 1
Std Type 2 Mitsumi mount: 1
Std Type 2 Mitsumi mount LED: 1
Std Type 2 Alps mount: 2
Std Type 2 Alps mount lock: 1
Total: 2 1 2 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.

Switches

Switch Variants Part number Type Usage
Standard Mechanical Type 1 3
Standard Mechanical Type 1 Lock 3
Standard Mechanical Type 2 Alps mount 2
Standard Mechanical Type 2 Alps mount lock 1
Standard Mechanical Type 2 Mitsumi mount 1
Standard Mechanical Type 2 Mitsumi mount LED 1

Keyboards

Model Year(s) Switches Serial PCB codes Reference Notes
Apple M0110A (M0110A) 1987 (IC) Mitsumi Std Type 1
Mitsumi Std Type 1 Lock (lock)
M741M0110A4901
870617 (int.)
deskthority.net
Commodore Amiga 1000 keyboard 1986 (IC)
1987 (PCB)
Mitsumi Std Type 2 Mitsumi mount
Mitsumi Std Type 2 Mitsumi mount LED (lock)
MT0077692
11870326 (int.)
C-AMG2, KCT-A89YC 56-7155B deskthority.net
Apple M0110A (M0110AJ) 1988 (PCB) Mitsumi Std Type 1
Mitsumi Std Type 1 Lock (lock)
880707 (int.) mousefan.telcontar.net
Apple Extended Keyboard II (M3501) 1991 (PCB)
1991 (case)
Mitsumi Std Type 2 Alps mount 31910823 (int.) mousefan.telcontar.net
Apple Extended Keyboard II (M3501) 1990 (IC)
1991 (PCB)
Mitsumi Std Type 2 Alps mount
Mitsumi Std Type 2 Alps mount lock (lock)
MA1066NT%M0312
31910301 (int.)
kbd.rzw.jp There appears to be an additional date indication inside the case, suggesting 1990; the case stamp is not simple like with MouseFan’s example!
Apple IIe keyboard 1993 (PCB) Mitsumi Std Type 1
Mitsumi Std Type 1 Lock (lock)
50930121 (int.) 56-7179 kbd.rzw.jp