MD40AU01 ITT Industries, MD40AU01 Datasheet
MD40AU01
Manufacturer Part Number
MD40AU01
Description
MD and MDP Key Switches
Manufacturer
ITT Industries
Datasheet
1.MD40AU01.pdf
(2 pages)
The disc contact type ED is a momentary
key switch with short travel and good
tactile feedback.
The ED is the main component of the
MD and MDP switches.
MDP-Disc push-button key switch
Small momentary key switch equipped
with button, can be mounted on printed
circuit board.
MD-Disc push-button key switch
Small momentary key switch including
a protective rubber actuator.
A wide range of keyboards can be built
by using the MD.
MD and MDP key pads are available in
two contact materials:
gold plated bronze
silver plated bronze
Function
Contact arrangement
Distance between button centers, min.
Terminals
Switching power max.
Switching voltage max.
Switching current max.
Dielectric strength (50 Hz/1 Min.)
Operating life with
max. switching power
Contact resistance, initial
Insulation resistance
Contact bounce
Switching travel
Operating force
Contact material
Operating temperature
Storage temperature
Climatic category (days)
Soldering by static bath
1
Note: MD40 disc keyswitch conforms to climatic category 40/85/56.
) Special design for ambient temperature – 40°C to + 85°C (Type MD40) available (not washable in solvents)
Construction
Electrical data
Mechanical data
Further data
B-13
MD and MDP Key Switches
MD
MDP
– 25°C to + 70°C
– 40°C to + 85°C
Momentary
1 make contact = SPST
12.7 (0.500)
PC pins
Silver
6 W AC/DC
100 V AC/DC
100 mA AC/DC
300 V
10
2
10 m
10
100 µs
MD
0.6 (0.0236)
2.6N ± 25%
(260 grams ± 25%)
Silver, Gold
10 for silver version
56 for gold version
255°C for 5 seconds
6
11
10
5
1
)
www.ittcannon.com
Dimensions are shown in mm (inch)
Gold
3 W AC/DC
100 V AC/DC
50 mA AC/DC
300 V
5
2
15 m
10
100 µs
MDP
0.3 (0.0118)
2.4N ± 25%
(240 grams ± 25%)
Dimensions subject to change
11
10
10
6
5
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MD40AU01 Summary of contents
Page 1
The disc contact type momentary key switch with short travel and good tactile feedback. The ED is the main component of the MD and MDP switches. MDP-Disc push-button key switch Small momentary key switch equipped with button, ...
Page 2
MD and MDP Key Switches Dimensional Drawings MD (0.5) (0.4) (0.5) MDP (0.315) (0.5) (0.5) Button MDP (0.472) (0.472) Ordering code 1 Designation: MD, MDP, MD40 2 Contact material silver gold 3 MDP button color: 01 ...