K12
High Performance Key Switches
Features/Benefits
Typical Applications
• Excellent tactile feel
• Automotive
• Wide choice of LED colors,
• Off-road transportation
• Industrial electronics
• Computers & network equipment
travel and actuator forces
• 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; K12D, 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.
Process
SOLDERABILITY:
Max. soldering time and temperature: 5 s at 260˚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.
E
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
With central LED
Sealed contact with rubber cap (IP 67)
GN
YE
OG
RD
WH
BU
Green
Yellow
Orange
Red
White
Blue
K12GO Two-step switch without side LED holder
K12GOL K12GO with central LED
L302 White
L328 Blue
Cap Color
NONE version with LED, version C
BK Black cap – No LED
Operating Force***
1.5N OD 1.5 N without
snap-point
Contact
Travel*
Arrangement
NONE SPST NO (STD)
1
1 mm (0.039)
2.5N
3.5N
5N
3.5/7N 3.5/7 N**
6/12N 6/12 N**
2.5 N
3.5 N
5 N
*
K12C – 1mm MAX
K12 with LED – 1.5 mm MAX
1.5 1.5 mm (0.059)
2
1R
SPST NC
(Special request)
2 mm (0.079)
** K12G & K12GO version only
*** Additional operating force: 7N, 9N, 20N available on request
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
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