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KSR251J

Description
KEYPAD SWITCH, SPST, MOMENTARY-TACTILE, 0.05A, 32VDC, 5.63 N, SURFACE MOUNT-STRAIGHT
CategoryMechanical and electronic products    switch   
File Size64KB,3 Pages
ManufacturerITT
Websitehttp://www.ittcannon.com/
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KSR251J Overview

KEYPAD SWITCH, SPST, MOMENTARY-TACTILE, 0.05A, 32VDC, 5.63 N, SURFACE MOUNT-STRAIGHT

KSR251J Parametric

Parameter NameAttribute value
MakerITT
Reach Compliance Codeunknow
ECCN codeEAR99
Is SamacsysN
Actuator typeSOFT TYPE
body width3.8 mm
body height1.7 mm
Body length or diameter6 mm
Circuit configuration1X1
Maximum contact bounce time1 ms
Maximum contact current (DC)0.05 A
Contact (DC) maximum rated R load.05A@32VDC
Maximum contact voltage (DC)32 V
Manufacturer's serial numberKSR
Installation featuresSURFACE MOUNT-STRAIGHT
Number of switches1
Maximum operating force5.63 N
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
method of packingTAPE AND REEL
surface mountNO
Switch actionMOMENTARY-TACTILE
switch functionSPST
Switch typeKEYPAD SWITCH
Termination typeSOLDER
Base Number Matches1

KSR251J Preview

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
www.ittcannon.com
KSR Series
Subminiature Tact Switch for SMT
SERIES
KSR
2,5
(.098)
ø1,9
(.075)
0,1
(.006 5
)
0,9±0,2
(.035±.008)
0,9
(.035)
1,7
(.067)
0,6
(.024)
3,8
(.150)
B
Tactile Switches
1,0
(.039)
6,0
(.236)
7,15±0,3
(.281±.012)
ACTUATOR
2
Soft Actuator
2,5
(.098)
ø1,9
(.075)
OPERATING FORCE
OPTION
CODE
OPERATING FORCE
1.8 N (180 grams)
2.0 N (200 grams)
3.0 N (300 grams)
4.0 N (400 grams)
DETECT
1
2
3
5
D*
*D contact is recommended for long period of closing.
No tactile feel. KSR2D3J only.
CONTACT MATERIAL
OPTION
CODE
MATERIAL
SILVER
GOLD
1
3
First Angle
Projection
Dimensions are shown: mm (inch)
Dimensions subject to change
B-15
www.ittcannon.com
KSR Series
Subminiature Tact Switch for SMT
TERMINATION
J
J BEND
0,1
(.006 5
)
G
GULLWING
PAD LAYOUT
R 0,45
(.018)
0,6
(.023)
1,4
(.055)
0,9±0,2
(.035±.008)
0,15
(.006)
1,0
(.039)
7,3±0,15
(.287±.006)
5
(.197)
8
(.315)
B
Tactile Switches
1,0
(.039)
7,15±0,3
(.281±.012)
SWITCH FUNCTION
OPTION
CODE
FUNCTION
NORMALLY OPEN
NORMALLY CLOSED
NONE
NC*
*Available on KSR223GNC only.
TAPE & REEL
2±0,05
(.078±.002)
0,254±0,02
(.01±.001)
ø1,5+0,1/0,0
(.059+.004/-.000)
2±0,05
(.078±.002)
4
(.157)
4
(.157)
8
(.315)
8
(.315)
1,75
(.069)
First Angle
Projection
Dimensions are shown: mm (inch)
Dimensions subject to change
12±0,3
(.472±.012)
ø1,5±0,25
(.059±.010)
Direction of feed
B-16
www.ittcannon.com
5,5±0,05
(.217±.002)

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