www.ck-components.com
B–19
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
Tactile Switches
B
Mechanical Operating force(Fa) Operating life Travel
Type Newtons (grams) (operations)
Silver versions
KSR212G LFS 1.5 < Fa < 2.2 200,000 0,25 ± 0,15
KSR222G LFS 1.9 < Fa < 2.6 200,000 0,3 ± 0,15
KSR232G LFS 2.25 < Fa < 3.75 200,000 0,35 ±0,15
KSR252G LFS 3.37 < Fa < 5.6 200,000 0,5 ± 0,15
Gold versions
KSR214G LFS 1.5 < Fa < 2.2 200,000 0,25 ± 0,15
KSR224G LFS 1.9 < Fa < 2.6 200,000 0,3 ± 0,15
KSR234G LFS 2.25 < Fa < 3.75 200,000 0,35 ± 0,15
KSR254G LFS 3.37 < Fa < 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
•Saves PCB space
•Range of 4 actuation forces
•G terminations
•N.O.
•Detect type available
•Rubber actuator
•IP 50 sealed
•RoHS compliant and compatible
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: Normally Open
TERMINALS: Gullwing type for SMT
Typical Applications
•Automotive
•Cellular phones & accessories
•Industrial electronics
•Computers & network equipment
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
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 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.
Mechanical
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
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
2Silver
4 Gold
Termination
GGull wing
LFS RoHS compliant and compatible. Silver plated.
LFG RoHS compliant and compatible. Gold plated.
www.ck-components.com
B–20
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
Tactile Switches
B
KSR Long Life-200,000 cycles-Gold and Silver Series
Subminiature Tact Switch for SMT
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)
