K12
High Performance Key Switches
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
Typical Applications
•
Automotive
•
Off-road transportation
•
Industrial electronics
•
Computers & network equipment
Construction:
FUNCTION: momentary
DISTANCE BETWEEN BUTTON CENTERS:
min. 11 (0.433) K12C = 13 (0.512)
TERMINALS: PC pins, tinned
MOUNTING: Locating pins; K12D, K12G and K12P additionally
with snap-in housing
Electrical
SWITCHING POWER MIN./MAX.: 0.02mW/3 W
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:
≥
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 400 mm/s (15.75/s)
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.
Environmental
OPERATING TEMPERATURE: -40˚C to 85˚C.
STORAGE TEMPERATURE: -40˚C to 95˚C.
Process
SOLDERABILITY:
Max. soldering time and temperature: 5 s at 260˚C
How To Order
E
Key Switches
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.
K
Series
K12A
K12AL
K12P
K12PL
K12C
K12GO
K12GOL
1
2
L
No snap-in pegs
No snap-in pegs with central LED
With snap-in pegs
With central LED
Sealed contact with rubber cap (IP 67)
Two-step switch without side LED holder
K12GO with central LED
LED Color
NONE
No LED
GN
Green
YE
Yellow
OG
Orange
RD
Red
WH
White
BU
Blue
Operating Force***
1.5N OD
1.5 N without
snap-point
2.5N
2.5 N
3.5N
3.5 N
5N
5N
3.5/7N
3.5/7 N**
6/12N
6/12 N**
Standard LED Code
NONE
No LED
L306
Green
L327
Yellow
L315
Orange
L352
Red
L302
White
L328
Blue
Cap Color
NONE
version with LED, version C
BK
Black cap – No LED
K12C – 1mm MAX
K12 with LED – 1.5 mm MAX
** K12G & K12GO version only
*** Additional operating force: 7N, 9N, 20N available on request
*
Travel*
1
1 mm (0.039)
1.5
1.5 mm (0.059)
2
2 mm (0.079)
Contact
Arrangement
NONE
SPST NO (STD)
1R
SPST NC
(Special request)
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–10
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