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MDAU04 Datasheet(Hoja de datos) 1 Page - ITT Industries

No. de Pieza. MDAU04
Descripción  MD and MDP Key Switches
Descarga  2 Pages
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Fabricante  ITT [ITT Industries]
Página de inicio  http://www.ittcannon.com
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Dimensions are shown in mm (inch)
Dimensions subject to change
www.ittcannon.com
B-13
MD and MDP Key Switches
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
Construction
Function
Momentary
Contact arrangement
1 make contact = SPST
Distance between button centers, min.
12.7 (0.500)
Terminals
PC pins
Electrical data
Silver
Gold
Switching power max.
6 W AC/DC
3 W AC/DC
Switching voltage max.
100 V AC/DC
100 V AC/DC
Switching current max.
100 mA AC/DC
50 mA AC/DC
Dielectric strength (50 Hz/1 Min.)
300 V
300 V
Operating life with
MD
106
5
106
max. switching power
MDP
2
105
2
105
Contact resistance, initial
10 m
15 m
Insulation resistance
1011
1011
Contact bounce
100 µs
100 µs
Mechanical data
MD
MDP
Switching travel
0.6 (0.0236)
0.3 (0.0118)
Operating force
2.6N ± 25%
2.4N ± 25%
(260 grams ± 25%)
(240 grams ± 25%)
Further data
Contact material
Silver, Gold
Operating temperature
– 25°C to + 70°C1)
Storage temperature
– 40°C to + 85°C
Climatic category (days)
10 for silver version
56 for gold version
Soldering by static bath
255°C for 5 seconds
1) Special design for ambient temperature – 40°C to + 85°C (Type MD40) available (not washable in solvents)
Note: MD40 disc keyswitch conforms to climatic category 40/85/56.




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