C&K 的 KXT2 Series 规格书

B–112
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ck-components.com
Tactile Switches
B
Electrical
MAXIMUM VOLTAGE: 12 VDC
MAXIMUM CURRENT DC: 50 mA
DIELECTRIC STRENGTH: 250 V (50 Hz, 1 min.)
CONTACT RESISTANCE: ≤500 mΩ
INSULATION RESISTANCE: 100 MΩ
BOUNCE TIME: ≤10 ms
Environmental
OPERATING TEMPERATURE: -40˚C to 85˚C
STORAGE TEMPERATURE: -40˚C to 85˚C
Process
SOLDERING: This component is suited to the following methods:
Infrared Reflow Soldering in accordance with IEC61760-1
Packaging
In reels of 6,000 pieces
Dimensions of reels according to EIA RS481 or IEC 2863
External diameter 178 mm ± 2mm
NOTE: Specifications listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Features
•
3.9 x 3.0 mm footprint
•
1.05 mm thickness
•
Dual action
Typical Applications
•
Wearable electronics
•
Mobile Phones
•
Portable Electronics
Specification
FUNCTION: momentary action
CONTACT ARRANGEMENT: Dual action = SPDT, N.O.
TERMINALS: G type for SMT
TRAVEL: 0.1 mm ± 0.05 mm
TRAVEL: 0.2 mm + 0.1 / - 0.05 mm
Mechanical
Operating force gf Operating Life
KXT 211 LHS Push force 1 100 ±40 100,000
Push force 2 200 ± 50
K X T 2 1 1
Contact Material
1Silver
Part Number Description
For any part number different from those listed above, please consult your local representative.
L H S
LHS Lead free, RoHS, Halogen Free, Silver plated
KXT2 Series
Double Action Ultra Low Profile Top Actuated
{MMMA :j :3 a H
B–113
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ck-components.com
Tactile Switches
B
3
3,7
3,9
8,
0
50
,
1
1,2
7,17,2
4
)7
,
0
(
50
,
0
2,9
4,4
1,3
3,1
58,
2
2,7
SCHEMATIC
RECOMMENDED PCB LAYOUT
4
3
1
2
4
3
1
2
1 2 3 4
1 2 3 4
1 2 3 4
FREE
1st ACTION
(100gf)
2nd ACTION
(200gf)
21 3,0
1,5
+0,1
0
57,15,5
)
4,1(
4
2
8
3
,9
epatrevoC
CARRIER TAPE
Cover tape
(Polyester)
Carrier tape
(Polystyrene)
Reel
(Polystyrene)
178
13 0,5
2 0,5
18,4 Max
12,4
+2
0
REEL
A
A(1/1)
KXT2 Series
Double Action Ultra Low Profile Top Actuated