K8
Illuminated SMT Tact Switch with Dedicated LED
Features
• Various LED options
• No light perturbation
• Sound haptic
• Various climatic classes
Typical Applications
• Automotive
• Network equipment
• Telecommunications
• Medical equipment
• Industrial controls
Specification
Electrical
FUNCTION: momentary action
CONTACT ARRANGEMENT: 1 make control = SPST, N.O.
TERMINALS: Gullwing type for SMT, 2 terminals for LED
MAXIMUM POWER: 1.0 VA
MAXIMUM VOLTAGE: 32 VDC
MINIMUM VOLTAGE: 20 mV
MAXIMUM CURRENT: 50 mA
MINIMUM CURRENT:
1 mA
DIELECTRIC STRENGTH: (50 Hz, 1 min.) ≥ 250 Vrms
CONTACT RESISTANCE: < 100mΩ
INSULATION RESISTANCE: ( 100 V, inital stage) > 109Ω
BOUNCE TIME: < 10 ms
Type
Actuation Force
(N)
Operating Life
(operations)
Travel (Total Travel)
mm (mm)
K8xx41G LFS
4.0
300,000
0.45 (0.95)
OPERATING TEMPERATURE: -40˚C to +85˚C
STORAGE TEMPERATURE: -55˚C to +85˚C
Tolerances on actuation force is ± 25%.
SEALING LEVEL: IP40
Illumination Colors
Process
White, blue, pure green, orange, super red
LED technical information available on product specification.
For any extra color, please contact your sales representative.
SOLDERING: Compatible with the lead free soldering profile.
No washing
MSL level: 5a
Packaging
Environmental
In reels of 900 pieces under sealed foil.
Dimensions of reels according to EIA RS481 or
IEC 2863. External diameter 380 mm.
Materials
CONTACTS: Ag over Ni
TERMINALS: Ag over Ni
HOUSING: Thermoplastic UL94 V0
NOTE:
The specifications show in the datasheet are for reference only and are not valid for
design-in work. Please contact your sales representative to request drawings and
product specifications.
For systems where reliability and safety are required, please contact your sales
representative to secure product integration and function to secure usage.
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 and place it in the appropriate box.
K
8
LED color
PG Pure Green
SR Super Red
OG Orange
BU Blue
WH White
4
Operating Force
4 4.0 N
1
G
Termination
G Gulf wing
LFS RoHS compliant and compatible. Silver plated.
Contact Material
1 Silver
Dimensions are shown: mm
Specifications and dimensions subject to change
10 jan 18
B–75
www.ckswitches.com
Tactile Switches
Mechanical
K8
Illuminated SMT Tact Switch with Dedicated LED
PART NUMBER
EMITTED
COLOR
LUMINOUS INTENSITY
(mcdd) If = 20 mA
CHROMATICITY
COORDINATES OR
PEAK WAVE LENGTH
(typ) If = 20 mA
min
typ
X
0.33
FORWARD
VOLTAGE
V
If = 20 mA
Y
min
0.33
max
K8WH41G LFS
LW T67C-S2U1-5K8L
WHITE
224
560
3
4.1
K8BU41G LFS
LB T67C-P2R1-35
BLUE
56
140
465 mm
3
4.1
K8PG41G LFS
LP T676-L1M2-25
PURE GREEN
11.2
28
562 mm
1.8
2.4
K8SR41G LFS
LP T676-Q1R2-1
SUPER RED
71
180
645 mm
1.8
2.3
K8OG41G LFS
LO T676-R1S2-24
ORANGE
112
280
610 mm
1.85
2.35
ELECTRICAL GRAPH
2
1
1,8 1,8
3
10,8
1
5
4
0,8
6,56
PCB LAYOUT
TOP VIEW
1,8
1
6 0,15
0,1 0,05
4,85
8,3
0,1
Year
Led Brightness Group
1,8
2
Day of year
8,4
3
2
3
5
4
8
1
11
1,1
1,5
5
pick and place area :
top of LED 2.5 max
4
380/15"
Round sproket
holes
ø 13
10 jan 18
d ir
e ct
io n
1.5
+0.1
0
24
Tactile Switches
B
REF LED
of
un
re e
lin g
B–76
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ckswitches.com
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