K12
High Performance Key Switches
Features/Benefits
Typical Applications
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Excellent tactile feel
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Automotive
Wide choice of LED colors,
travel and actuator forces
Off-road transportation
Industrial electronics
Computers & network equipment
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High reliability / long life
Sealed version available
Designed for low-level switching
Double stroke version available
Detector version available
Electrical
Construction:
SWITCHING POWER MIN./MAX.: 0.02mW/3 W
FUNCTION: momentary
SWITCHING VOLTAGE MIN./MAX.: 2 V DC / 30 V DC
SWITCHING CURRENT MIN./MAX.: 10 µA /100 mA
DIELECTRIC STRENGTH (50 Hz, 1 min): ≥ 500 V
OPERATING LIFE with max. switching power: ≥ 106 operations
K12G & K12GO; operating life of second switch 5 x 104 operations,
operating life K12C and version with more than 6N (7N, 9N 20N)
please consult factory.
DISTANCE BETWEEN BUTTON CENTERS:
min. 11 (0.433) K12C = 13 (0.512)
TERMINALS: PC pins, tinned
MOUNTING: Locating pins; K12G and K12P additionally
with snap-in housing
Mechanical
TOTAL TRAVEL: 1 mm, 1,5 mm, 2 mm
CONTACT RESISTANCE: Initial ≤ 50 mΩ
INSULATION RESISTANCE: ≥ 1010 Ω
SWITCHING TRAVEL: 0,6 mm*
BOUNCE TIME: ≤ 1 ms
OPERATING FORCE: 1.5 N OD without snap-point as detector
switch, 2.5 N, 3.5 N, 5 N, 3.5/7 N, 6/12 N. Additional
operating force 7N, 9N and 20N, available on request.
PROTECTION CLASS: K12C IP 67 (dust tight, protected against
the effects of immersion in water; other versions IP 40)
Operating speed 400 mm/s (15.75/s)
Environmental
OPERATING TEMPERATURE: -40˚C to 85˚C.
STORAGE TEMPERATURE: -40˚C to 95˚C.
* Additional switching travel (with pre-travel) available by request.
Packaging
Process
Bulk in boxes of 250 pieces (version C, GO or GOL) or
300 pieces (version A, AL, P or PL)
SOLDERABILITY:
Wave soldering, compatible with lead free soldering profile
Hand soldering, 350˚C
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.
D
Note: Some of the configurations may not be available or could require some development.
K
1
2
L
Series
K12A
K12AL
K12P
No snap-in pegs
No snap-in pegs with central LED
With snap-in pegs
Standard LED Code
NONE No LED
L306 Green
L327 Yellow
L315 Orange
L352 Red
LED Color
NONE No LED
K12PL
K12C
K12GO Two-step switch
With central LED
Sealed contact with rubber cap (IP 67)
GN
YE
OG
RD
WH
BU
Green
Yellow
Orange
Red
White
Blue
K12GOL K12GO with central LED
L302 White
L328 Blue
Cap Color
Operating Force***
1.5N OD 1.5 N without
snap-point
NONE version with LED, version C
BK Black cap – No LED
YE Yellow cap - No LED
RD Red cap – No LED
Contact
Arrangement
NONE SPST NO (STD)
Travel*
1
1 mm (0.039)
2.5N
3.5N
5N
2.5 N
3.5 N
5 N
1.5 1.5 mm (0.059)
GY Gray cap – No LED
1R
SPST NC
(Special request)
2
2 mm (0.079)
*
K12C – 1mm MAX
K12 with LED – 1.5 mm MAX
3.5/7N 3.5/7 N**
6/12N 6/12 N**
** K12G & K12GO version only
*** Additional operating force: 7N, 9N available on request
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ck-components.com
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