www.ck-components.com
B–5
Dimensions shown in: mm (inch)
Specifications and dimensions subject to change
Tactile Switches
B
KMX Series
Low Profile SMT Top Actuated
Features
•
Ultra low profile 0.58mm
•
Compact switch body; 4.1x4.1mm
•
1.6 and 2.2N sharp tactile feel
•
250k cycles
•
ø 1.4mm actuator grounded
•
RoHS compliant and compatible
Typical Applications
•
Allows higher board density with
compact SMT switch for ultra low
profile environment: cell phones
keypads, key fob, white goods,
medical and military
Packaging
Tape and reels in reels of 10,000 pieces.
External diameter 380mm ± 2mm.
Electrical
Silver Gold
MAXIMUM POWER: 0.5 VA 0.5 VA
MAXIMUM VOLTAGE: 32 VDC 32 VDC
MAXIMUM CURRENT DC: 50 mA 20 mA
MINIMUM CURRENT DC: 1 mA 1 mA
CONTACT RESISTANCE:
≤
100 m
Ω
INSULATION RESISTANCE:
≥
50 M
Ω
BOUNCE TIME:
≤
6 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
RELATIVE HUMIDITY 90 to 96%
Process
Infared reflow soldering in accordance with IEC 61760-1
Specification
FUNCTION: Snap action push-on type SPST/shielded
CONTACT TYPE: Normally open
TERMINALS: Gullwing type for SMT
Mechanical
OVERLOAD: 50N
TACTILE FEELING: 30% min.
ACTUATION CONDITION LIMITS:
- inclination: 4º max.
- de-centering:
* series 100: 0.15 mm max.
* series 200: 0.30 mm max.
- actuator diameter: 1 mm max. with 0.1 mm radius.
Operating force Operating life
Type Newtons (grams) (operations) Travel
KMX211G/213G 1.6 (160) ± 30% 250,000 0,20 ±0,10
KMX221G/223G 2.2 (220) ±30% 250,000 0,20 ±0,10
Actuator
1
Without actuator
2
With actuator 1.4mm ø
Actuation For ce
1
1.6 N (160 grams)
2
2.2 N (220 grams)
K M X G
Contact Material
1
Silver
3
Gold
Termination
G
Gullwing
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.