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
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
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.
NOTE:
Product to be offered compliant and compatible on Q1 2006.
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
BK
Black cap – No LED
Travel*
1
1 mm (0.039)
1.5
1.5 mm (0.059)
2
2 mm (0.079)
K12C – 1mm MAX
K12 with LED – 1.5 mm MAX
** K12G & K12GO version only
*
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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K12
High Performance Key Switches
SERIES
K12P
9,0
(.354)
total travel 1, 1,5 or 2
(.0394, .0591 or .0787)
1,5
(.059)
PCB LAYOUT, MOUNTING SIDE
7,5
(.295)
2,6
(.103)
11,0
(.433)
3,5
(.138)
center of actuation area (notice LED)
1
(.4 2,0
72
)
9,8
(.386)
10,9 SQ.
(.429)
Hole
Ø
1,7 (.069)
1,6 (.062)
1,1 (.043)
0,9 (.035)
2x
K12
Without LED
2x
1x
2x
Description
snap-in
coding hole
(L,M,N)
center hole
LED
switch
m0.5 (.020)
0.7 x 0.2 (.028 x .081)
Sn
Sn
Terminal Section
Surface
K12PL
PCB LAYOUT, MOUNTING SIDE
ø3,0
(.118)
5,5
(.217)
total travel 1 or 1,5
(.0394 or .0591)
Key Switches
11,0
(.433)
3,6
(.141)
1,5
(.0591)
3,75
(.148)
9,6
(.378)
ø4,6
(.181)
2,6
(.098)
coding pin L
Terminal Section
pin ø 1.1 (.0433)
for coding of LED color
PCB
2,5
(.098)
2,5
(.098)
center of actuation area (notice LED)
5,6
(.22)
Hole
K12
K
Ø
1,7 (.069)
1,6 (.062)
1,1 (.043)
0,9 (.035)
Without LED
2x
1x
2x
2x
2x
Description
snap-in
coding hole
(L,M,N)
center hole
LED
switch
0,2
(.007)
E
2,6
(.103)
K LED
7,5
(.295)
2,5
(.098)
3,75
(.148)
1,2
(.047)
12,5
(.492)
2,9
(.1141)
ø1,0
(.0394)
1,5
(.059)
2,5
(.098)
9,6
(.378)
0,2
(.007)
2,5
(.098)
K12
Surface
Sn
m0.5 (.020)
0.7 x 0.2 (.028 x .081)
Sn
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–12
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