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KSR Series
Subminiature Tact Switch for SMT
Features/Benefits
•
Saves PCB space
•
Range of 4 actuation forces
•
G terminations
•
N.O.
•
Detect type available
•
Rubber actuator
•
IP 50 sealed
•
RoHS compliant and compatible
T
ypical Applications
•
Automotive
•
Cellular phones & accessories
•
Industrial electronics
•
Computers & network equipment
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: Normally Open
TERMINALS: Gullwing type for SMT
Mechanical
Type Newtons (grams) (operations)
KSR211/213 1,5 <Fa< 2,2 100,000 0,25 ± 0,15
KSR221/223 1,9 <Fa< 2,6 100,000 0,3 ± 0,15
KSR231/233 2,25 <Fa< 3,75 100,000 0,35 ± 0,15
KSR251/253
KSR223GNC 1,5 <Fa< 2,5 30,000 0,3 ± 0,15
Overload: 20 Newtons
Detect switch versions are available. Please see Detect chapter
KSR2D/M series.
Operating force Operating life Travel
3,37 <Fa< 5,6 100,000 0,5 ± 0,15
Packaging
Switches are delivered on continuous tape, in reels of 2,500 pieces.
Electrical
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
TION RESISTANCE: (100 V): 1G Ω (between terminals)
INSULA
BOUNCE TIME: 1 ms max.
Environmental
OPERATING TEMPERATURE: -40˚C to 85˚C -40˚C to 125˚C
STORAGE TEMPERATURE: -55˚C to 85˚C -55˚C to 125˚C
Silver Gold
Silver Gold
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.
B
Tactile Switches
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 dif
K S R
Actuator
2 Soft actuator
Operating Force
1
1.8 N (180 grams)
2 2.0 N (200 grams)
3 3.0 N (300 grams)
5 4.5 N (450 grams)
*Available on KSR223G only.
ferent from those listed above, please consult your local representative.
LFS RoHS compliant and compatible. Silver plated.
LFG RoHS compliant and compatible. Gold plated.
Contact Material
1
Silver
3 Gold
Switch Function
(NONE)
NC Normally closed*
Termination
Gull wing
G
Normally open
9 aug 12
B–17
Specifications and dimensions subject to change
Dimensions are shown: mm
www.ck-components.com
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ø 1,9
2,5
1,75
3,8
7,3
1
6
6
8
1,4
Recommended PCB layout
A
A
4
2,1
8
ø1,5
5,5 1,75
12
22 40,25
ø1,5
2,8
6,25
7,65
KSR Series
Subminiature Tact Switch for SMT
KSR
B
Tactile Switches
TAPE & REEL
DIRECTION OF FEED
Specifications and dimensions subject to change
9 aug 12
B–18
Dimensions are shown: mm
.ck-components.com
www
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