Cherry M8, MD and MJ variants
The following page lists confirmed Cherry M8, MD and MJ part numbers: not all possible variants were necessarily produced.
See also the Serie M8 schema.
Contents
Catalogue types
The following types were listed in catalogues. Not every type is known to have been produced and purchased. The catalogues and other documents are as follows:
- 1982
- Cherry Keyboards and Switches Catalogue 1982 (Germany); see the Deskthority wiki
- 1985 EEM
- 1985 Cherry keyboards advertisement, 1985–86 Electronic Engineers Master Catalogue Volume 2
- 1998
- M81 and M84 pages from an unspecified 1998 catalogue (see Cherry switches on the Greendich website)
- 2013 EOL
- M8 end-of-life notification, 31st July 2013
| Part | 1982 | 1985 EEM | 1998 | 2013 EOL |
|---|---|---|---|---|
| M81A-0100 | • | • | • | |
| M81A-01R0 | • | • | • | |
| M81A-01G0 | • | |||
| M81A-01Y0 | • | |||
| M81A-0200 | • | |||
| M81A-0700 | • | |||
| M81A-1300 | • | |||
| M81A-1400 | • | |||
| M81B-0300 | • | |||
| M81B-0400 | • | |||
| M81C-0100 | • | |||
| M81C-0200 | • | |||
| M81C-0700 | • | |||
| M81C-1100 | • | |||
| M81C-1400 | • | |||
| M81C-1700 | • | |||
| M81D-0300 | • | |||
| M81D-0400 | • | |||
| M81E-0500 | • | • | • | |
| M81E-05R0 | • | • | ||
| M81E-0600 | • | |||
| M81F-0500 | • | |||
| M81F-0600 | • | |||
| M81F-1500 | • | |||
| M81F-1600 | • | |||
| M81G-0100 | • | • | • | |
| M81G-0200 | • | |||
| M81H-0500 | • | • | • | |
| M81H-0600 | • | |||
| M82A-0100 | • | |||
| M82A-1100 | • | |||
| M82C-0100 | • | |||
| M82E-0500 | • | |||
| M82E-0600 | • | |||
| M82E-1500 | • | |||
| M82E-1600 | • | |||
| M84A-0100 | • | • | ||
| M84A-01R0 | • | |||
| M84E-0500 | • | • | ||
| M84E-05R0 | • | |||
| M84E-0600 | • | |||
| M84E-1500 | • | |||
| M84E-1600 | • | |||
| M84F-0500 | • | |||
| M84F-1500 | • | |||
| M84G-0100 | • | |||
| M84H-0500 | • |
Known variants
M8
Two of the German custom types found in the last-buy notification for M8 had “O” in position five, which has been changed to “0” in each instance on the basis that these were transcription errors. For M82A-1GEO, the final character is left as “O” as all other custom types have letters in the final two positions.
| Part | Contact type | Keycaps | Angle | Force (cN) | Tactile | Form | Contacts | Type | Source | NSN |
|---|---|---|---|---|---|---|---|---|---|---|
| M81A-0100 | Gold-alloy prism | 6 mm | 0° | 70±20 | No | Open | 1A | Catalogues; US sample parts | ||
| M81A-01R0 | Gold-alloy prism | 6 mm | 0° | 70±20 | No | Open | 1A | Red LED | Catalogues | |
| M81A-01G0 | Gold-alloy prism | 6 mm | 0° | 70±20 | No | Open | 1A | Green LED | Catalogue | |
| M81A-01Y0 | Gold-alloy prism | 6 mm | 0° | 70±20 | No | Open | 1A | Yellow LED | Catalogue | |
| M81A-0200 | Gold-alloy prism | 12 mm | 0° | 70±20 | No | Open | 1A | Catalogue | ||
| M81A-0700 | Gold-alloy prism | 6 mm | 7° | 70±20 | No | Open | 1A | Catalogue | ||
| M81A-1300 | Gold-alloy prism | 6 mm | 0° | 105±30 | Standard | Open | 1A | Catalogue; US sample parts | ||
| M81A-1400 | Gold-alloy prism | 12 mm | 0° | 105±30 | Standard | Open | 1A | Catalogue | ||
| M81B-0300 | Gold-alloy prism | 6 mm | 0° | 85±20 | No | Open | 1B | Catalogue | ||
| M81B-0400 | Gold-alloy prism | 12 mm | 0° | 85±20 | No | Open | 1B | Catalogue | ||
| M81C-0100 | Gold-alloy prism | 6 mm | 0° | 95±35 | No | Open | 2A | Catalogue | ||
| M81C-0200 | Gold-alloy prism | 12 mm | 0° | 95±35 | No | Open | 2A | Catalogue | ||
| M81C-0700 | Gold-alloy prism | 6 mm | 7° | 95±35 | No | Open | 2A | Catalogue | ||
| M81C-1100 | Gold-alloy prism | 6 mm | 0° | 90±35 | Standard | Open | 2A | Catalogue | ||
| M81C-1400 | Gold-alloy prism | 12 mm | 0° | 90±35 | Standard | Open | 2A | Catalogue | ||
| M81C-1700 | Gold-alloy prism | 6 mm | 7° | 90±35 | Standard | Open | 2A | Catalogue | ||
| M81D-0300 | Gold-alloy prism | 6 mm | 0° | 85±35 | No | Open | 1A+1B | Catalogue | ||
| M81D-0400 | Gold-alloy prism | 12 mm | 0° | 85±35 | No | Open | 1A+1B | Catalogue | ||
| M81E-0500 | Gold-alloy prism | 6 mm | 0° | 70±20 | No | Covered | 1A | Catalogues; US sample parts | 5930-01-451-4995 | |
| M81E-05R0 | Gold-alloy prism | 6 mm | 0° | 70±20 | No | Covered | 1A | Red LED | Catalogues | |
| M81E-0600 | Gold-alloy prism | 12 mm | 0° | 70±20 | No | Covered | 1A | Catalogue; parts stockist | 5930-01-276-4698 | |
| M81E-1500 | Gold-alloy prism | 6 mm | 0° | 105±30 | Yes | Covered | 1A | US sample parts | ||
| M81F-0500 | Gold-alloy prism | 6 mm | 0° | 95±35 | No | Covered | 2A | Catalogue | ||
| M81F-0600 | Gold-alloy prism | 12 mm | 0° | 95±35 | No | Covered | 2A | Catalogue | ||
| M81F-1500 | Gold-alloy prism | 6 mm | 0° | 90±35 | Standard | Covered | 2A | Catalogue | ||
| M81F-1600 | Gold-alloy prism | 12 mm | 0° | 90±35 | Standard | Covered | 2A | Catalogue | ||
| M81G-0100 | Gold-alloy prism | 6 mm | 0° | 95±35 | No | Open | 1A | Space bar | Catalogues; US sample parts | |
| M81G-0200 | Gold-alloy prism | 12 mm | 0° | 95±35 | No | Open | 1A | Space bar | Catalogue | |
| M81H-0500 | Gold-alloy prism | 6 mm | 0° | 95±35 | No | Covered | 1A | Space bar | Catalogues | |
| M81H-0600 | Gold-alloy prism | 12 mm | 0° | 95±35 | No | Covered | 1A | Space bar | Catalogue | |
| M82A-0100 | Silver-alloy prism | 6 mm | 0° | 70±20 | No | Open | 1A | Last-buy notification | ||
| M82A-0GDR | Silver-alloy prism | No? | Open | German custom | Last-buy notification | |||||
| M82A-0GEM | Silver-alloy prism | No? | Open | German custom | Last-buy notification | |||||
| M82A-1100 | Silver-alloy prism | 6 mm | 0° | 105±30 | Standard | Open | 1A | Last-buy notification | ||
| M82A-1GEO | Silver-alloy prism | Standard? | Open | German custom | Last-buy notification | |||||
| M82C-0100 | Silver-alloy prism | 6 mm | 0° | 95±35 | No | Open | 2A | Last-buy notification | ||
| M82C-0GBL | Silver-alloy prism | No | Open | German custom | Last-buy notification | |||||
| M82E-0500 | Silver-alloy prism | 6 mm | 0° | 70±20 | No | Covered | 1A | Last-buy notification | ||
| M82E-0600 | Silver-alloy prism | 12 mm | 0° | 70±20 | No | Covered | 1A | Last-buy notification | ||
| M82E-1500 | Silver-alloy prism | 6 mm | 0° | 105±30 | Standard | Covered | 1A | Last-buy notification; US sample parts | ||
| M82E-1600 | Silver-alloy prism | 12 mm | 0° | 105±30 | Standard | Covered | 1A | Last-buy notification | ||
| M83A-0N00 | Gold-plated copper core | Hirose | 0° | 70±15 | Yes? | Open | 1A | Hirose datasheet | ||
| M83S-0N00 | Gold-plated copper core | Hirose | 0° | 70±15 | Yes? | Open | 1A | 1.5±0.3 mm travel | Hirose datasheet | |
| M84A-0100 | Gold-plated wire | 6 mm | 0° | 70±20 | No | Open | 1A | Catalogues | ||
| M84A-01R0 | Gold-plated wire | 6 mm | 0° | 70±20 | No | Open | 1A | Red LED | Catalogue | |
| M84A-0GCH | Gold-plated wire | No? | Open | German custom | Last-buy notification | |||||
| M84A-0GEN | Gold-plated wire | No? | Open | German custom | Last-buy notification | |||||
| M84C-0GDT | Gold-plated wire | No? | Open | German custom | Sold surplus on German eBay | |||||
| M84E-0500 | Gold-plated wire | 6 mm | 0° | 70±20 | No | Covered | 1A | Catalogues | ||
| M84E-05R0 | Gold-plated wire | 6 mm | 0° | 70±20 | No | Covered | 1A | Red LED | Catalogue | |
| M84E-0600 | Gold-plated wire | 12 mm | 0° | 70±20 | No | Covered | 1A | Last-buy notification | ||
| M84E-1500 | Gold-plated wire | 6 mm | 0° | 105±30 | Standard | Covered | 1A | Last-buy notification | ||
| M84E-1600 | Gold-plated wire | 12 mm | 0° | 105±30 | Standard | Covered | 1A | Last-buy notification | ||
| M84F-0500 | Gold-plated wire | 6 mm | 0° | 95±35 | No | Covered | 2A | Last-buy notification | ||
| M84F-1500 | Gold-plated wire | 6 mm | 0° | 90±35 | Standard | Covered | 2A | Last-buy notification | ||
| M84G-0100 | Gold-plated wire | 6 mm | 0° | 95±35 | No | Open | 1A | Space bar | Catalogues | |
| M84H-0500 | Gold-plated wire | 6 mm | 0° | 95±35 | No | Covered | 1A | Space bar | Catalogues |
Type-specific notes
| Part | Type | Notes |
|---|---|---|
| M83S-0N00 | Hirose mount, 1.5 mm travel | This type is used in the Yamaha QX21, listed as M83S-0N00 in the service manual. It is listed as M83S-0N00-001 on the Hirose datasheet, where -001 may denote the technical revision. The M83S type found in the Epson PX-8 is tactile even with the reduced travel. |
| M84C-0GDT | German custom | The version sold on eBay was technical revision 3 (part number M84C-0GDT/03); the movable contacts have M81-style prisms and keystem may be custom. |
MD
| Part | Type | Source | Notes |
|---|---|---|---|
| MD4A-1100 | 3 mm travel, Hirose mount | Hirose datasheet |
MJ
| Part | Type | Source | Notes |
|---|---|---|---|
| MJ4A-1100 | 4 mm travel, Hirose mount | Hirose datasheet |