K12S
High Performance SMT Key Switches
Features/Benefits
Typical Applications
•
Harsh environment applications - IP67
•
Automotive
•
Compatible with SMT lead free
•
Joysticks
soldering process
•
Off-road transportation
•
Illuminated
•
Motorcycles
•
Excellent tactile feel
•
Industrial
•
High reliability / long life
•
Medical
•
DPST and detect versions available
•
RoHS compliant
Construction:
FUNCTION: Momentary
CONTACT ARRANGEMENT: SPST or DPST
CONTACT TYPE: NO or NC
TERMINALS: SMT
Electrical
SWITCHING POWER MIN./MAX.: 0.02mW/3 W DC
SWITCHING VOLTAGE MIN./MAX.: 2 V / 30 V DC
SWITCHING CURRENT MIN./MAX.: 10 mA /100 mA DC
DIELECTRIC STRENGTH: > 300 V RMS
OPERATING LIFE: > 10
6
operations (detect version) / 2x10
5
operations
(versions with tactile effect )
CONTACT RESISTANCE: Initial < 100mΩ - After test < 250mΩ
INSULATION RESISTANCE: >10
9
Ω
BOUNCE TIME: < 10 ms
Mechanical
TOTAL TRAVEL: 1,5 mm
OPERATING FORCE: 3N; 3,5N; 5N; 6N; 9N 4/8 N; 6/12 N
SEALING: IP40 or IP67
Packaging
Reels of 900 pieces
Environmental
OPERATING TEMPERATURE: -40˚C to 85˚C.
STORAGE TEMPERATURE: -40˚C to 95˚C.
RoHS compliant and Halogen free.
Process
SOLDERABILITY: Lead free soldering compatible.
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.
D
Key Switches
K
1
2
S
1
.
5
N
L
F
T
X
Sub-Series
A
IP40 with peg
B
IP67 with peg
C
IP40 without peg
D
IP67 without peg
Option
S
SPST version
L
LED version (SPST)
D
DPST version
LED Color
NONE
No LED
YE0
Yellow
RD0
Red
GN0
Green
OR0
Orange
WH0
White
AM0
Amber
Travel
1.5
1.5 mm
Operating Force
3N
3 N (detect - no tactile)
3.5N
3.5 N
5N
5N
6N
6N
9N
9N
4/8N
4/8 N DPST
(double step actuation)
6/12N
6/12 N DPST
(double step actuation)
Contact Arrangement
O
Normally open (SPST)
C
Normally closed (SPST)
OO
2 Normally open (DPST)
*
2 Normally closed (DPST)
CC
OC*
1 Normally open
1 Normally closed (DPST)
LFTX
Lead free, RoHS
terminals tin plated
Translucent button
* Please contact technical support for this configuration
Dimensions are shown: mm
Specifications and dimensions subject to change
D–6
www.ckswitches.com
K12S
High Performance SMT Key Switches
K12SA/K12SC
IP40 with peg / IP40 without peg
6,7
2,8
3
ø 10,8
11,6
4
(4x)2,1
(2x)2,4
2,1
4
12
(4X)2,35
3
RECOMMENDED
PCB LAYOUT
(2x)7,8
2
1
prohibited area
ø 3,1±0,05
1
ø 6,4
2
9,1±0.15
1,3
1
4,1
4,5
ø 3,26 ± 0,05
K12SB / K12SD
IP67 with peg / IP67 without peg
6,7
2,8
3
4
(4x)2,1
(2x)2,4
2,1
4
12
1,7
Without Peg
With Peg
(4X)2,35
D
3
RECOMMENDED
PCB LAYOUT
11,6
Key Switches
(2x)7,8
2
1
prohibited area
ø 3,1±0,05
1
ø 6,4
2
9,1±0.15
1,3
1
4,1
4,5
ø 3,26 ± 0,05
ø 11,2
1,7
Without Peg
With Peg
Dimensions are shown: mm
Specifications and dimensions subject to change
D–7
www.ckswitches.com
K12S
High Performance SMT Key Switches
OPTION
S
SPST version
Single NO
Single NC
L
LED version
Single NO
+ LED
Single NC
+ LED
D
DPST version
Double NO
Double NC
LED COLOR
OPTION
CODE
LED COLOR
No LED
YE0
RD0
GN0
OR0
WH0
AM0
Yellow
Red
Green
Orange
White
Amber
TRAVEL
1.5
1.5 mm
OPERATING FORCE
OPTION
CODE
OPERATING FORCE
3N (detect - no tactile)
3.5N
5N
6N
9N
4/8N (double step actuation)
6/12N (double step actuation)
3N
3.5N
5N
6N
9N
4/8N
D
Key Switches
O
C
OO
Normally open (SPST and LED versions)
Normally closed (SPST and LED versions)
2 Normally open (DPST version)
6/12N
CONTACT ARRANGEMENT
CC
*
OC
*
2 Normally closed (DPST version)
1 Normally open/ 1 Normally closed (DPST)
* Please contact technical support for this configuration
TAPE AND REEL
DIRECTION OF FEED
1,75
0.5
4
A
24
2
1,5
24
11,5
B
B
SECTION A-A
A
13,63
3,5
12
11,45
SECTION B-B
Dimensions are shown: mm
Specifications and dimensions subject to change
D–8
www.ckswitches.com
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