This document contains information about Memcon, a company that produces dome switches. It lists their office locations in Hong Kong, the UK, and USA. It then provides specifications for 20 different dome switch models, including their part numbers, force ratings, thickness, dimensions, and stable force values. It also mentions the switches are used in industries like membrane switches, automotive, consumer electronics, medical, and appliances.

1. Level 7 Parkview Centre
7 Lau Li Street Causeway Bay Hong Kong
T +852 3741 1411 F +852 3747 8980
www.memcon.asia sales@memcon.asia
(Asia) Limited
Compass House Vision Park Chivers Way HISTON
Cambridge CB24 9AD United Kingdom
T +44 1223 257724 F +44 1223 257800
www.memcon.eu sales@memcon.eu
Limited
3786 Stadium Drive Bridgman
Michigan 49106 USA
T +1 269 466 5632 F +1 269 466 6034
www.memcon.net sales@memcon.net
North America
MEMCON is a registered trade mark of Memcon LimitedR
GB Issue 1
MD 8.4-4-LEG-D-280
MD 8.4-4-LEG-D-320
MD 8.4-4-LEG-D-350
MD 8.4-4-LEG-D-400
MD 12.2-4-LEG-D-250
MD 12.2-4-LEG-D-280
MD 12.2-4-LEG-D-350
MD 12.2-4-LEG-D-400
MD 16-4-LEG-D-350
MD 20-4-LEG-D-400
0.08
0.08
0.08
0.08
0.10
0.10
0.10
0.10
0.10
0.12
280g
320g
350g
400g
250g
280g
350g
400g
350g
400g
8.20
8.20
8.20
8.20
12.00
12.00
12.00
12.00
12.00
12.00
1.84
1.84
1.84
1.84
2.64
2.64
2.64
2.64
3.10
4.00
0.51
0.54
0.56
0.60
0.58
0.63
0.69
0.77
0.93
1.05
0.60
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.11
0.11
7.77
7.77
7.77
7.77
11.40
11.40
11.40
11.40
15.82
19.38
1.20
1.20
1.20
1.20
1.40
1.40
1.40
1.40
2.35
2.35
4 LEG DOMES
Part No/Size Force
Thickness
Dimensions (mm)
A B C D X
1.40
1.40
1.40
1.40
1.60
1.60
1.60
1.60
2.60
2.80
Y Z
Stable Forces per Batch Number
Excellent Tactile Effect
100% Traceability per Batch Number
High Quality
Custom Options
Used in a multitude of Industries, such as:
Membrane Switch, Automotive, Consumer
Electronics, Medical, Appliance, etc
RoHS Compliant
A
B
X Z
Y
C
D
MD 6 - 4 - LEG - 170
MD 6 - 4 - LEG - 230
MD 8.4 - 4 - LEG - 200
MD 8.4 - 4 - LEG - 280
MD 8.4 - 4 - LEG - 350
MD 10 - 4 - LEG - 320
MD 12.2 - 4 - LEG - 150
MD 12.2 - 4 - LEG - 200
MD 12.2 - 4 - LEG - 240
MD 12.2 - 4 - LEG - 280
MD 12.2 - 4 - LEG - 350
MD 12.2 - 4 - LEG - 400
MD 12.2 - 4 - LEG - 450
MD 16 - 4 - LEG - 400
MD 20 - 4 - LEG - 400
0.06
0.06
0.08
0.08
0.08
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.12
0.12
170g
230g
200g
280g
350g
320g
150g
200g
240g
280g
350g
400g
450g
400g
400g
6.00
6.00
8.30
8.30
8.30
10.00
12.00
12.00
12.00
12.00
12.00
12.00
12.00
16.20
19.80
1.26
1.26
1.84
1.84
1.84
2.35
2.64
2.64
2.64
2.64
2.64
2.64
2.64
3.10
4.00
0.38
0.47
0.44
0.48
0.54
0.54
0.49
0.53
0.58
0.58
0.67
0.71
0.73
0.82
1.05
5.80
5.80
7.77
7.77
7.77
9.54
11.40
11.40
11.40
11.40
11.40
11.40
11.40
15.82
19.38
Part No/Size Force
Thickness
Dimensions (mm)
A B C D
A
BC
D
Contact Configuration
Contact Bounce (on)
Contact Bounce (off)
Operating Temperature
Storage Temperature
Humidity
SPST, Normally Open
<0.3ms
<6ms
-55°C to 125°C
-55°C to 125°C
0-97% (no condensation)
Contact Resistance
with Gold or Silver Plating
Voltage/Current Maximum
Breakdown Voltage
Material
Life Expectancy
<100 ohms
<1 ohm
12mA @ 24 Volts DC, RL
Over 200 Volts
Stainless Steel Type 304
1 Million
RoHS
with Dimple
without Dimple