Datasheet

B–33
Dimensions are shown: mm (inches)
Specifications and dimensions subject to change
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Tactile Switches
B
5 feb 15
Operating force Operating life Travel
Type Newtons (grams) (operations) (mm)
KSR211G LFS / KSR213G LFG 1,5 < 1,85 (185) < 2,2 100,000 0,25 ± 0,15
KSR221G LFS / KSR223G LFG 1,9 < 2,25 (225) < 2,6 100,000 0,3 ± 0,15
KSR231G LFS /KSR233G LFG
2,25 < 3,00 (300)< 3,75 100,000 0,35 ± 0,15
KSR251G LFS / KSR253G LFG 3,4 < 4,50 (450) < 5,6 100,000
0,5 ± 0,15
KSR221G NC LFS 1,5 < 2,25 (225) < 3 30,000 0,3 ± 0,15
KSR223G NC LFG 1,5 < 2 (200) < 2,5
30,000 0,3 ± 0,15
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.
However, please note that all the combinations of these options are not feasible.
For any part number different from those listed above, please consult your local representative.
Actuator
2
Soft actuator
K S R
Operating For
ce
1
1.8 N (180 grams)
2 2.0 N (200 grams)
3 3.0 N (300 grams)
5 4.5 N (450 grams)
Contact Material
1 Silver
3 Gold
Termination
G
Gull wing
Switch Function
(NONE)
Normally open
NC Normally c
losed*
*Available on KSR223G only.
Overload: 20 Newtons
Detect switch versions are available. Please see Detect chapter
KSR2D/M series.
LFS RoHS compliant and compa
tible. Silver plated.
LFG RoHS compliant and compatible. Gold plated.
KSR Series
Subminiature Tact Switch for SMT
Features/Benefits
•
4 actuation forces
•
G terminations
•
N.O. and N.C.
•
Detect type available
•
Rubber actuator
•
IP 50 sealed
•
RoHS compliant and compatible
T
ypical Applications
•
Automotive
•
Medical equipment
•
Industrial electronics
•
Smart meters
Mechanical
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: Normally Open
TERMINALS: G
ullwing type for SMT
Electrical
Silver Gold
MAXIMUM POWER: 1 VA 0.2 VA
MAXIMUM VOLTAGE: 32 VDC 32 VDC
MINIMUM VOLTAGE: 20 mV 20 mV
MAXIMUM CURRENT DC: 50 mA 10 mA
MINIMUM CURRENT DC: 1 mA 1 mA
CONTACT RESISTANCE: ≤ 100 mΩ
INSULATION RESISTANCE: (100 V): 1G Ω (between terminals)
BOUNCE TIME: 1 ms max.
Environmental
Silver Gold
OPERATING TEMPERATURE: -40˚C to 85˚C -40˚C to 125˚C
STORAGE TEMPERATURE: -55˚C to 85˚C -55˚C to 125˚C
Process
SOLDERING: Compatible with lead free reflow soldering process.
NOTE: Specifications listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Packaging
Switches are delivered on continuous tape, in reels of 2,500 pieces.


