Datasheet

25
SKRA Series
Unit:(mm)
Tact Switches
Elastic Contact (with LED)
Lifetime
(Cycles)
5 x 10
5
3 x 10
5
1 x 10
6
5 x 10
5
Travel
0.35 mm
0.40 mm
0.50 mm
0.75 mm
Dimensions
(mm)
H = 3.4 mm
H = 3.4 mm
H = 5.1 mm
H = 5.1 mm
Actuator
Material
Silicone
Silicone
Silicone
Silicone
Order
Number
STTSKRAAA
STTSKRAAB
STTSKRAAC
STTSKRAAD
Model
SKRAAA
SKRAAB
SKRAAC
SKRAAD
Operating
Force (N)
3.0 N
4.5 N
2.0 N
3.5 N
h (mm)
3.4
a
2.5
4
0.7
6.2
6.2
Stem
6.8
0.1
h
5.1
a (mm)
ø3 ø2.6
1
2
3
4
3
3 5
8.5
1
2
3
4
Circuit diagram
Printed circuit board land dimension
(When viewed from the switch mounting face)