KSB & KSF Series
Low-profile Tact Switch
Features/Benefits
Typical Applications
• Low profile
• Low profile keyboards
• Protected against flux
• KSB without top sealing
• KSF with top sealing
• Instrumentation
• Industrial control
• Medical
• Military
Specification
Electrical
Silver
1 VA
50 VDC
20 mV
50 mA
1 mA
Gold
CONTACT ARRANGEMENT: SPST, N.O.
DOUBLE OVERMOLDING ON TERMINAL
MEMBRANE SEALING
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT:
MINIMUM CURRENT:
0.2 VA
50 VDC
20 mV
10 mA
1 mA
B
TERMINALS: PC pins
Mechanical
DIELECTRIC STRENGTH (50 Hz, 1 min.): 300 Vrms
CONTACT RESISTANCE: KSF 50 mΩ; KSB 100 mΩ
INSULATION RESISTANCE (100 V): ≤ 1011 Ω
BOUNCE TIME: 1 ms
Actuation force
Newtons (grams)
1.6 (160)
Operating life
Travel to
make
Type
(operations)
100,000
500,000
1,000,000
500,000
100,000
100,000
500,000
KSB0M110
KSB0M410
KSF0M210
KSF0M310
KSF0M410
KSF0M510
KSF0M910
0,15 ± 0,05
0,15 ± 0,05
0,25 ± 0,1/-0,0
0,25 ± 0,1/-0,0
0,3+0,1/-0.0
0,3+0,1/-0.0
0,3+0,1/-0.0
3.0 (300)
1.3 (130)
1.6 (160)
3.0 (300)
5.0 (500)
3.0 (300)
Environmental
Silver
Gold
OPERATING TEMPERATURE: -40˚C to 90˚C -40˚C to 125˚C
STORAGE TEMPERATURE:
-40˚C to 85˚C -55˚C to 125˚C
Process
Wave soldering EIA-RS448-2
Packaging
KSF delivered in tubes of 65 pieces for automatic insertion. KSB in
boxes of 500 pieces for manual insertion.
NOTE: Part numbers listed above do not represent all possible configurations.
For information on specific and custom switches, consult Customer Service Center.
How To Order
Our easy build-a-switch concept allows you to mix and match options to create the switch you need. To order, select desired
option from each category and place it in the appropriate box.
SWITCH
K
S
Sealing
Type
0 Sealed against flux
1 Totally sealed (KSF only)
2 High performace seal (KSF only)
B Without actuator
F Flat membrane
Ground Terminal
0 Without
1 With (KSF only)
Contact Material
1 Silver contacts
3 Gold contacts
Insertion
M Manual (bulk packaging)
A Automatic (tube packaging)*
Operation Force
1 1.6 N (160 grams), 100,000 operations (KSB only)
2 1.3 N (130 grams), 100,000 operations (KSF only)
3 1.6 N (160 grams), 500,000 operations (KSF only)
4 3 N (300 grams), 100,000 operations
* KSF only
5 5 N (500 grams), 100,000 operations (KSF only)
9 3 N (300 grams), 500,000 operations (KSF only)
Button must be ordered separately
and will be supplied in bulk.
BUTTON
B
T
N
K
1
0
Button Style
Button Color
K10 10 mm square (for KSF only)
60 Blue
70 Gray-blue
80 Ivory
10 Dark gray
20 Light gray
30 Yellow
40 Red
90 Black
50 Green
Dimensions are shown: mm (inch)
Dimensions subject to change
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B-35