Datasheet

B–21
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
Tactile Switches
Actuator
2 Standard
KMS Series
Microminiature SMT Side Actuated
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.
Typical Applications
•
Mobile phones
• Medical handheld monitors
• Consumer electronics
• Telecommunication net-
works
Mechanical
OVERLOAD: 20N
TACTILE FEELING: 15% min. for the 2N version
25% min for the 2.5N version
Note: Specifications listed above are for switches with standard options. For information on
specific and custom switches, consult Customer Service Center.
Actuation Force
2 2 N (200 grams)
3 3 N (300 grams)
RoHS compliant and compatible
LFS Lead free silver
LFG Lead free gold
K M S 2 G
Contact Material
1 Silver
3 Gold
Termination
G Gullwing
Packaging
Tape and reels in reels of 3,000 pieces.
External diameter 330mm ± 2mm.
Electrical Silver Gold
MAXIMUM POWER: 1 VA 0.2 VA
MAXIMUM VOLTAGE: 32 VDC 32 VDC
MAXIMUM CURRENT DC: 50 mA 10 mA
MINIMUM CURRENT DC: 1 mA 1 mA
DIELECTRIC STRENGTH: 250 VDC
CONTACT RESISTANCE: ≤100 mΩ
INSULATION RESISTANCE: 10
9
Ω
BOUNCE TIME: ≤ 3 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: Lead free reflow soldering process in accordance with
IEC 61760-1.
Pegs
NONE No pegs
P With pegs
Features/Benefits
•
1.42mm thickness with excellent
tactile feel
• ESD protection by compact size
• Positioning pegs for stability
• RoHS compliant and compatible
Operating force Operating life
Type Newtons (grams) (operations) Travel
KMS221G/GP 2N (200) ± 0.5 100 K cycles 0,25
± 0,15
KMS223G/GP 2N (200) ± 0.5 100 K cycles 0,25
± 0,15
KMS231G/GP 3N (300) ± 0.6 100 K cycles 0,3
± 0,15
KMS233G/GP 3N (300) ± 0.6 100 K cycles 0,3
± 0,15
Specification
FUNCTION: Momentary
CONTACT ARRANGEMENT: SPST, N.O.
TERMINALS: Gullwing type for SMT
IP40 Sealed