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
Typical Applications
•
Automotive
•
Off-road transportation
•
Industrial electronics
•
Computers & network equipment
Detector version available
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
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.
Packaging
Bulk in boxes of 250 pieces (version C, GO or GOL) or
300 pieces (version A, AL, P or PL)
Process
SOLDERABILITY:
Wave soldering, compatible with lead free soldering profile
Hand soldering, 350˚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.
Note: Some of the configurations may not be available or could require some development.
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
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
YE
Yellow cap - No LED
RD
Red cap – No LED
GY
Gray cap – No LED
K12C – 1mm MAX
K12 with LED – 1.5 mm MAX
** K12G & K12GO version only
*** Additional operating force: 7N, 9N 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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K12
High Performance Key Switches
SERIES
K12A
without snap in
total travel 1 or 1.5mm
PCB LAYOUT, MOUNTING SIDE
7,5
[.295]
11
.4334]
[.098]
2,5
[.098]
2,5
[.1141]
ø1
2.9
[.0394]
[.354]
9
2,6
[.103]
ø 9,8
[.386]
10,9
[.429]
K12AL
ø3
[.217]
5,5
[.118]
2
K1
PCB LAYOUT, MOUNTING SIDE
7,5
[.295]
2,6
[.103]
[.0591]
1,5
K (LED)
[.098]
2,5
[.433]
[.007]
0,2
11
PCB
3,6
[.007]
0,2
ø 4,6
[.181]
ø 5,6
[.22]
2,5
[.098]
1,1+0,05
2x
2x
2x
center hole
LED
switch
Discription
ø0,5 (.020)
0,7x0,2 (.028x.081)
Terminal Section
Sn
Sn
Surface
0,9 ±0,05
2x
2
K1
2x
with LED
Hole
ø
Without
K
[.098]
2,5
12
]
72
[.4
E
Key Switches
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–11
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K12
High Performance Key Switches
SERIES
K12P
with snap in
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)
Without LED
2x
1x
2x
2x
Description
snap-in
coding hole
(L,M,N)
center hole
switch
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
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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K12
High Performance Key Switches
SERIES
K12C
SEALED CONTACT WITH RUBBER CAP (IP 67)
total travel 1,0
(.0394)
ø12,8
(.504)
2,9
(.114)
PCB LAYOUT, MOUNTING SIDE
7,5
(.295)
12,0
(.472)
5,5
(.217)
2,5
(.098)
2,5
(.098)
1,8
(.0709)
1,2
(.047)
2,9
(.114)
5,0
(.197)
2,3
(.090)
12,0
(.472)
10,9
(.429)
actuation area
10,9
(.429)
K1
2
SCHEMATIC
A
R
Hole
Ø
1,1 (.043)
0,9 (.035)
Without LED
2x
2x
Description
center hole
switch
0,2
(.0078)
Terminal Section
Surface
0.7 x 0.2(.0275 x .0787)
Sn
E
Key Switches
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–13
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K12
High Performance Key Switches
SERIES
K12GO
K12GOL
K12G0
< 5,5 (0.217)
=
total travel 1,5mm
(0.0591)
K12GOL
ø 3 (0.118)
PCB LAYOUT, MOUNTING SIDE
5 (0.197)
2/2
7,5 (0.295)
2,6 (0.103)
1/1
1/2
0,2 (0.0078)
PCB
1,5 (0.059)
11 (0.433)
(0.354)
(0.0591)
1,5
3,5 (0.138)
9
2/1
(0.114)
2,9
9,6 (0.278)
5 (0.197)
code pin ø1,1
12
47
(0 .
(0.043)
K
LED
2,6 (0.103) 2/2
(0.148)
K12G0
3,75
3,6 (0.142)
7,5 (0.295)
1/1
0,2
1/2
2/1
(0.098) (0.098)
2,5
2,5
9,6 (0.278)
With LED
2x
1x
2x
2x
2x
2x
Description
snap-in
code
2 LED
LED
switch 2
switch 1
Terminal Section
ø 9,8 (0.386)
SQ. 10,9 (0.428)
5,6
ø 4,6 (0.187)
(0.228)
(0.244)
K
(LED)
Type K12G and K12GL
see drawing: 844-9001-601 or 844-900-1601 with LED holder by side
E
1/2
Key Switches
SCHEMATIC
K12G
1/1
2/1
K12GL
1/2
2/2
K
1/1
2/1
1/2
2/2
K12
2/2
1/1
actuation area
2/1
Hole
Ø
1,7
(.069)
1,6
(.062)
0,9
(.035)
Without LED
2x
1x
3,75
(0.148)
Surface
K12
2)
K12GOL
2x
2x
m0.5 (.020)
0.7 x 0.3 (.028 x .012)
0.7 x 0.2 (.028 x .081)
Sn
Sn
Sn
Sn
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–14
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