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KSR251G Subminiature Tact Switch for SMT
型号:   KSR251G
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描述:   Subminiature Tact Switch for SMT
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品牌   ITT [ ITT INDUSTRIES ]
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KSR Series
Subminiature Tact Switch for SMT
Features/Benefits
Saves PCB space
Range of 4 actuation forces
J or G terminations
N.O. or N.C. contacts
Detect type available
Soft actuator
Typical Applications
Automotive
Cellular phones & accessories
Industrial electronics
Computers & network equipment
Specification
Electrical
MAXIMUM POWER:
MAXIMUM VOLTAGE:
MINIMUM VOLTAGE:
MAXIMUM CURRENT DC:
MINIMUM CURRENT DC:
Travel
0,25
±
0,15
0,3
±
0,15
0,35
±
0,15
0,5
±
0,15
0,3
±
0,15
0,3
±
0,15
B
Tactile Switches
FUNCTION: momentary action
CONTACT ARRANGEMENT: N.O.
TERMINALS: J bend & Gullwing type for SMT
Mechanical
Type
KSR211/213
KSR221/223
KSR231/233
KSR251/253
KSR2D3J
KSR223GNC
Operating force
Newtons (grams)
1.8 (180)
±
20%
2.3 (200)
±
25%
3.0 (300)
±
25%
4.5 (450)
±
25%
1.5 (150)
±
25%
2 (200)
±
25%
Operating life
(operations)
100,000
200,000
200,000
100,000
100,000
100,000
Silver
1 VA
32 VDC
20 mV
50 mA
1 mA
Gold
0.2 VA
32 VDC
20 mV
10 mA
1 mA
CONTACT RESISTANCE:
100 mΩ
INSULATION RESISTANCE (100 V): 10
9
BOUNCE TIME: 1 ms
Environmental
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
Silver
-40˚C to 85˚C
-55˚C to 85˚C
Gold
-40˚C to 125˚C
-55˚C to 125˚C
Packaging
Switches are delivered on continuous tape, in reels of 2,500 pieces.
Process
SOLDERING: Infrared reflow in accordance with CECC00802
NOTE:
Part numbers listed above do not represent all possible configurations.
For information on specific and custom switches, consult Customer Service Center.
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.
K
S
R
Switch Function
(NONE)
Normally open
NC
Normally closed*
Termination
J
J bend
G
Gull wing
Actuator
2
Soft actuator
Operating Force
1
1.8 N (180 grams)
2
2.0 N (200 grams)
3
3.0 N (300 grams)
5
4.5 N (450 grams)
D
Detect**
Contact Material
1
Silver
3
Gold
*Available on KSR223GNC only.
**D contact is recommended for long period of closing. No tactile feel. KSR2D3J only.
Dimensions are shown: mm (inch)
Dimensions subject to change
B-14
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