Operating force Operating life Travel
Type Newtons (grams) (operations)
KSR211/213 1.8 (180) ± 20% 100,000 0,25 ± 0,15
KSR221/223 2.3 (200) ± 25% 200,000 0,3 ± 0,15
KSR231/233 3.0 (300) ± 25% 200,000 0,35 ± 0,15
KSR251/253 4.5 (450) ± 25% 100,000 0,5 ± 0,15
KSR223GNC 2 (200) ±25% 100,000 0,3 ±0,15
www.ck-components.com
B–17
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
Tactile Switches
B
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
2Soft actuator
K S R
Operating Force
11.8 N (180 grams)
22.0 N (200 grams)
33.0 N (300 grams)
54.5 N (450 grams)
Contact Material
1Silver
3 Gold
Termination
GGull wing
Switch Function
(NONE) Normally open
NC Normally closed*
*Available on KSR223GNC only.
A detect switch version is available KS R 2D3 G .
Please see Detect chapter, page F–6.
LFS RoHS compliant and compatible. Silver plated.
LFG RoHS compliant and compatible. Gold plated.
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
Typical Applications
•Automotive
•Cellular phones & accessories
•Industrial electronics
•Computers & network equipment
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): 109Ω
BOUNCE TIME: 1 ms
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 the lead free soldering profile.
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.
www.ck-components.com
B–18
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
Tactile Switches
B
KSR
1,0
(.039)
0,15
(.006)
7,3±0,15
(.287±.006)
TERMINATION
GGULLWING
PAD LAYOUT NORMALLY OPEN
5
(.197)
8
(.315)
1,4
(.055)
DIRECTION OF FEED
1,7±0,1
(.067±.004)
0,1
(.004)
3,8
(.150)
1±0,1
(.394±.004)
7,3±0,15
(.287±.006)
6
(.236)
2,5±0,15
(.098±.006)
0,15
(.006)
Ø1,9
(.075)
A
A
B
B
5,5±0,05 1,75
44 88
1,5
+0,1
0
0,25±0,02
max
6,25
7,65
4º0'
2±0,05
(.079±.002)2±0,05
(.079±.002)
Ø1,5±0,25
(Ø.060±.010)
12±0,3
(.472±.012)
(.246)
(.301)
(.315) (.315)
(.157)
(.157)
(.068)
(.217±002)
+.004
(Ø.060+0)
Ø
(.010±.001)
TAPE & REEL
PAD LAYOUT NORMALLY CLOSED
5
(.197)
8
(.315)
1,4
(.055)
KSR Series
Subminiature Tact Switch for SMT
