KSR Series Tact Datasheet by C&K

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B–43
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
Tactile Switches
B
B–43
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
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
Overload: 20 Newtons
Detect switch versions are available. Please see Detect chapter
KSR2D/M series.
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 2 G
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)
Contact Material
1 Silver
3 Gold
Termination
G Gull wing
Switch Function
(NONE) Normally open
NC Normally closed*
*Available on KSR223G only.
LFS RoHS compliant and compatible. 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
RoHS compliant and compatible
Typical Applications
Automotive
Medical equipment
Industrial electronics
Smart meters
Mechanical
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: Normally Open
TERMINALS: Gullwing 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: Lead free reflow soldering process in accordance
with IEC 61760-1.
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.
T T
B–44
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
Tactile Switches
B
B–44
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
KSR
DIRECTION OF FEED
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
TAPE & REEL
KSR Series
Subminiature Tact Switch for SMT
pevatlng lorce pevatlng Me Travel
B–45
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
Tactile Switches
B
B–45
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
Mechanical
Operating force(Fa) Operating life Travel
Type Newtons (grams) (operations) (mm)
Silver versions
KSR212G LFS 1,5 < 1,85 (185) < 2,2 200,000 0,25 ± 0,15
KSR222G LFS 1,9 < 2,25 (225) < 2,6 200,000 0,3 ± 0,15
KSR232G LFS 2,25 < 3,00 (300)< 3,75 200,000 0,35 ± 0,15
KSR252G LFS 3,4 < 4,50 (450) < 5,6 200,000 0,5 ± 0,15
Gold versions
KSR214G LFS 1,5 < 1,85 (185) < 2,2 200,000 0,25 ± 0,15
KSR224G LFS 1,9 < 2,25 (225) < 2,6 200,000 0,3 ± 0,15
KSR234G LFS 2,25 < 3,00 (300)< 3,75 200,000 0,35 ± 0,15
KSR254G LFS 3,4 < 4,50 (450) < 5,6 200,000 0,5 ± 0,15
KSR Long Life-200,000 cycles-Gold and Silver Series
Subminiature Tact Switch for SMT
Features/Benefits
4 actuation forces
G terminations
N.O.
Detect type available
Rubber actuator
IP50 sealed
RoHS compliant and compatible
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: Normally Open
TERMINALS: Gullwing type for SMT
Typical Applications
Automotive
Medical equipment
Industrial electronics
Electrical
Silver Gold
MAXIMUM POWER: 1 VA 0.2 VA
MAXIMUM VOLTAGE: 32 V dc 32 V dc
MINIMUM VOLTAGE: 20 m Vdc 20 m Vdc
MAXIMUM CURRENT DC: 50 mA 10 mA
MINIMUM CURRENT DC: 1 mA 1 mA
CONTACT RESISTANCE: ≤ 100 m Ω
INSULATION RESISTANCE (100 V): 1 G
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.
OVERLOAD: 20 Newtons
Packaging
Switches are delivered on continuous tape, in reels of 2,500 pieces.
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 2 G
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)
Contact Material
2 Silver
4 Gold
Termination
G Gull wing
LFS RoHS compliant and compatible. Silver plated.
LFG RoHS compliant and compatible. Gold plated.
B–46
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
Tactile Switches
B
B–46
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
KSR Long Life-200,000 cycles-Gold and Silver Series
Subminiature Tact Switch for SMT
KSR
TERMINATION
TAPE & REEL
DIRECTION OF FEED
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

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