K12 Series
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
Joysticks
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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 mA /100 mA
DIELECTRIC STRENGTH (50 Hz, 1 min): ≥ 500 V
OPERATING LIFE
For all K12 versions up to 6N with max. switching power: ≥ 10
operations
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
6
For all K12/K12C versions from 7N to 20N with max. switching power:
please consult factory
For K12G & K12GO with max. switching power: ≥ 5 x 10 operations
Mechanical
TOTAL TRAVEL: 1 mm, 1,5 mm, 2 mm
4
SWITCHING TRAVEL: 0,6 mm*
CONTACT RESISTANCE: Initial ≤ 50 mΩ
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)
10
INSULATION RESISTANCE: ≥ 10 Ω
BOUNCE TIME: ≤ 1 ms; Operating speed 100 mm/s (3.94/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
Bulk in boxes of 250 pieces (version C or GO) or
300 pieces (version A, AL, P or PL)
Process
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
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
LV306 Green
LV327 Yellow
LV315 Orange
LV352 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
Green
Yellow
Orange
Red
LV302 White
White
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)
1.5 1.5 mm (0.059)
2 mm (0.079)
2.5N
3.5N
5N
2.5 N
3.5 N
5 N
GY Gray cap – No LED
1R
SPST NC
(Special request)
2
*
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
14 Jan 22
www.ckswitches.com
D–7
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