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To download a PDF of the
Keyswitch Catalog,
click here.
To download the
latest version of
Adobe Acrobat Reader,
click
here.
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Features
- Desktop profile, 0.60 inch (15.2mm)
from PCB (no keycap)
- Choice of feel: linear, soft tactile, click tactile
- PCB or frame mount
- Long life: 50 million operations (linear) and
20 million operations minimum (tactile)
- 4mm travel
- LED, diode or jumper option
- 12V maximum AC/DC
- Current Rating: 10mA
- Insulation Resistance: <100MΩ at 100V DC
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MX
Series |
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download PDF |
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Specifications |
| Electrical |
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| Voltage: |
12 VAC/DC
max.
2 VDC min. |
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| Current: |
10mA AC/DC max.
10µA DC min. |
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| Insulation Resistance: |
100MΩ at 100V |
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| Initial Contact Resistance: |
200mΩ (25mΩ
typical) |
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| Bounce Time: |
≤5msec (at 16
in/sec. actuation speed) |
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| Capacitance: |
<2pF (at 1kHz) |
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| Operating Temperature: |
-10°C to +70°C
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| Storage Temperature: |
-40°C to +70°C
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| Flammability Rating: |
UL94HB |
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| Materials |
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| Case: |
Thermoplastic |
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| Contacts: |
Silver-Gold?? (AuAg 10) |
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| Spring: |
Stainless Steel |
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| Solderability: |
Wave solder, 5 seconds
at 500°F |
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Approvals |
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Dimensions |
Inches (mm)
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Mounting Options |
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Inches (mm) |
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Circuit Board LayoutS |
| Keyswitch
without Fixation Pins |
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| Keyswitch
with Fixation Pins |
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| Spacebar
without Frame |
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grid line spacing = 0.05 inch (1.27mm)
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Keycap Dimensions |
| Cylindrical
Type (7mm) |
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| Standard
Type (8mm) |
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Actuation Specifications |
| Mechanical
Motion |
Linear
Feel |
Soft
Tactile Feel |
Click
Tactile Feel |
Alternate
Action |
| Operating Force |
2.1 oz.
±0.7 oz. |
2.0 oz.
±0.7 oz. |
1.8 oz.
±0.5 oz. |
2.1 oz.
±0.7 oz. |
| Pretravel |
0.08 in.
±0.024 in. |
0.08 in.
±0.024 in. |
0.09 in.
±0.024 in. |
0.05 in.
±0.015 in. |
| Total Travel |
0.16 in.
- 0.015 in. |
0.16 in.
- 0.02 in. |
0.16 in.
- 0.02 in. |
0.16 in.
- 0.01 in. |
| Tactile Force |
N/A |
2.3 oz.
±0.7 oz. |
2.1 oz.
±0.5 oz. |
N/A |
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Spacebar Mounting Options |
| PCB
(with pins) |
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| Metal
Frame (without pins) |
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Metal Frame Cutout Dimensions |
| Keyswitch |
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| Spacebar
( Keycap sizes 1x2, 1x2.5, 1x2.75) |
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| Spacebar
(Keycap sizes 1x3, 1x7, 1x8, 1x9, 1x10) |
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For dimension "A" refer to chart below. All
dimensions shown are in inches. |
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Leveling Mechanism Kits |
| Keycap
Size |
1x2
1x2.5
1x2.75 |
1x3 |
1x8 |
1x8
1x9
1x10 |
1x7 |
| Keycap Type |
Standard &
Cylindrical |
Standard &
Cylindrical |
Standard |
Cylindrical |
Cylindrical |
| Dimension "A" (inches) |
0.94 |
1.50 |
5.25 |
5.25 |
4.5 |
| Part Number with Frame |
G99-0224 |
G99-0225 |
G99-0226 |
G99-0226 |
G99-0379 |
| Part Number without Frame |
G99-0742 |
G99-0743 |
G99-0744 |
G99-0744 |
G99-0745 |
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Ordering Information |
| Part
Number Examples |
Description |
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| MX1A-11DN |
Standard force, momentary,
face plate mount with diode |
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| MX1A-11NN |
Standard force, linear,
face plate mount |
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| MX1A-11NW |
Standard force, linear,
PCB mount |
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| MX1A-21NW |
Higher force, linear,
PCB mount |
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| MX1A-31NN |
Alternate action, face
plate mount |
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| MX1A-31NW |
Alternate action, PCB
mount |
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| MX1A-C1NN |
Standard force, soft
tactile, face plate mount |
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| MX1A-C1NW |
Standard force, soft
tactile, PCB mount |
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| MX1A-E1NN |
Standard force, click
tactile, face plate mount |
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| MX1A-E1NW |
Standard force, click
tactile, PCB mount |
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Ordering Information — Build a part
number |
|
MX |
1 |
A |
1 |
1 |
n |
n |
| Keyswitch
Series |
10mA,
12V max. |
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| Code |
Contact
Material |
1 |
AuAg10,
10mA,
12V max. |
5 |
Special |
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| Code |
Contact
Config. |
A |
SPST NO |
C |
Special |
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| Code |
Operating
Characteristics, Actuating Force and Key
Style |
0 |
Special |
1 |
Momentary, single-pole,
2.1 oz., standard keyswitch, black keystem |
2 |
Momentary, single-pole,
2.8 oz., spaceba, grey 37 keystem |
3 |
Alternate action, single-pole,
2.1 oz. |
C |
Momentary, single-pole,
tactile feel, 2.3 oz., clear keystem |
D |
Momentary, single-pole,
tactile feel, 2.8 oz., spacebar, grey
39 keystem |
E |
Momentary, single-pole,
tactile feel, 2.1 oz., "click"
differential movement, blue keystem |
F |
Momentary, single-pole,
tactile feel, 2.8 oz., "click"
differential movement, spacebar, green
keystem |
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| Code |
Keystem
Config. |
1 |
Standard
straight for cylindrical
and standard keycaps |
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| Code |
LED
Diode |
N |
No LED,
No diode |
R |
Red LED,
No diode |
G |
Green LED,
No diode |
Y |
Yellow LED,
with diode |
D |
No LED,
with diode |
J |
With
Jumper Wire,
no LED,
no diode |
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| Code |
PCB
Mountg Pins |
N |
No pins
(metal frame required) |
W |
With pins |
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Specifications subject to change without notice. |
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