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
CONTACT RESISTANCE: Initial ≤ 50 mΩ
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
INSULATION RESISTANCE: ≥ 1010 Ω
Mechanical
TOTAL TRAVEL: 1 mm, 1,5 mm, 2 mm
BOUNCE TIME: ≤ 1 ms
Operating speed 400 mm/s (15.75/s)
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
Environmental
OPERATING TEMPERATURE: -40˚C to 85˚C.
STORAGE TEMPERATURE: -40˚C to 95˚C.
PROTECTION CLASS: K12C IP 67 (dust tight, protected against
the effects of immersion in water; other versions IP 50)
* Additional switching travel (with pre-travel) available by request.
Process
SOLDERABILITY:
NOTE: Product to be offered compliant and compatible on Q1 2006.
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
LED Color
NONE No LED
Standard LED Code
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
L306
L327
L315
L352
L302
L328
Green
Yellow
Orange
Red
White
Blue
K12GO Two-step switch without side LED holder
K12GOL K12GO with central LED
Cap Color
NONE version with LED
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
1.5 1.5 mm (0.059)
2
1R
SPST NC
(Special request)
2 mm (0.079)
*
K12C – 1mm MAX
K12 with LED – 1.5 mm MAX
** K12G & K12GO version only
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
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