Datasheet

Key Switches
D
D–9
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
K12
High Performance Key Switches
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.
Note: Some of the configurations may not be available or could require some development.
Features/Benefits
Excellent tactile feel
Wide choice of LED colors,
travel and actuator forces
High reliability / long life
Sealed version available
Designed for low-level switching
Double stroke version available
Detector version available
Series
K12A No snap-in pegs
K12AL No snap-in pegs with central LED
K12P With snap-in pegs
K12PL With central LED
K12C Sealed contact with rubber cap (IP 67)
K12GO Two-step switch
LED Color
NONE No LED
GN Green
YE Yellow
OG Orange
RD Red
WH White
BU Blue
Travel*
1 1 mm (0.039)
1.5 1.5 mm (0.059)
2 2 mm (0.079)
Operating Force***
1.5N OD 1.5 N without
snap-point
2.5N 2.5 N
3.5N 3.5 N
5N 5 N
3.5/7N 3.5/7 N**
6/12N 6/12 N**
2K 1
Standard LED Code
NONE No LED
LV306 Green
LV327 Yellow
LV315 Orange
LV352 Red
LV302 White
LV328 Blue
* K12C – 1mm MAX
K12 with LED – 1.5 mm MAX
** K12G & K12GO version only
*** Additional operating force: 7N, 9N available on request
Cap Color
NONE version with LED, version C
BK Black cap – No LED
YE Yellow cap - No LED
RD Red cap – No LED
GY Gray cap – No LED
Typical Applications
Automotive
Off-road transportation
Industrial electronics
Computers & network equipment
Joysticks
Electrical
SWITCHING POWER MIN./MAX.: 0.02mW/3 W
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 with max. switching power: ≥ 10
6
operations
K12G & K12GO; operating life of second switch 5 x 10
4
operations,
operating life K12C and version with more than 6N (7N, 9N 20N)
please consult factory.
CONTACT RESISTANCE: Initial ≤ 50 mΩ
INSULATION RESISTANCE: ≥ 10
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.
Process
SOLDERABILITY:
Wave soldering, compatible with lead free soldering profile
Hand soldering, 350˚C
Construction:
FUNCTION: momentary
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
SWITCHING TRAVEL: 0,6 mm*
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)
* 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)
Contact
Arrangement
NONE SPST NO (STD)
1R SPST NC
(Special request)

Summary of content (6 pages)