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STSH-31-NTR Datasheet(PDF) 1 Page - Bourns Electronic Solutions

Part # STSH-31-NTR
Description  Ultraminiature Tactile Switch
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Manufacturer  BOURNS [Bourns Electronic Solutions]
Direct Link  http://www.bourns.com
Logo BOURNS - Bourns Electronic Solutions

STSH-31-NTR Datasheet(HTML) 1 Page - Bourns Electronic Solutions

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*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
STS Series - Ultraminiature Tactile Switch
Features
Available sharp click feel with a positive
tactile feedback
Ultraminiature and lightweight structure
suitable for high density mounting
Economical
Reliable
RoHS compliant*
Electrical Characteristics
Electrical Life
................50,000 Cycles for 160 gf, 320 gf
Rating...................................50 mA, 12 VDC
Contact Resistance.................100 mΩ max.
Insulation Resistance
...........................100 MΩ min. @ 500 VDC
Dielectric Strength ...........250 VAC/1 minute
Contact Arrangement ..........................SPST
Environmental Characteristics
Operation Temperature Range
........................................-25 °C to +70 °C
Storage Temperature Range
........................................-30 °C to +80 °C
Vibration Test
MIL-STD-202F Method 201A
Frequency ...............10-55-10 Hz/1 minute
Directions
...........X,Y,Z, three mutually perpendicular
directions
Time ..........................2 hours each direction
Shock Test
MIL-STD-202F Method 213B
Condition A
Gravity ............50 G (peak value), 11 msec
Direction and Times ....6 sides and 3 times
in each direction
Physical Characteristics
Cover Materials.....................Stainless Steel
Base Materials .....................UL94V-0 Nylon
Thermoplastic
Actuator ...............................UL94V-0 Nylon
High-Temperature Thermoplastic
Contact Disc .........................Stainless steel
with silver cladding
Terminals .............Brass with silver cladding
Product Dimensions
6.0
(.236)
3.5
(.138)
7.4
(.291)
3.4
(.134)
7.2
(.283)
3.0
(.118)
STSM
1.5
(.059)
1.0
(.039)
3.5
(.138)
0.9
(.035)
0.5
(.020)
MAX.
0.05
(0.002)
MAX.
PCB LAYOUT
H ± 0.2
(H ± .008)
1.6
(.063)
How to Order
STS M - 3 1 - S TR
Model
Style
M = Surface Mount “J” Style
G = Surface Mount “G” Style
H = Through-hole “H” Style
Product Size
3 = 3.5 mm wide x 6 mm long
Height
1 = 4.3 mm
2 = 5.0 mm
Color of Stem for Actuating Force
N = Brown, 160 g
R = Red, 260 g
S = Salmon, 320 g
Y = Yellow, 520 g
Packaging Option
__ = Std. Packaging - 135 pcs./tube
TR = Tape & Reel Packaging -
31 - 1800 pcs./reel (STSM & STSG only)
32 - 1600 pcs./reel (STSM & STSG only)
Circuit Diagram
T1
T2
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCES: ± 0.2 (.008)
Reflow Soldering Profile
Time
120-150
Sec.
60
Sec. Max.
5-10
Sec.
1-cycle reflow
250
Max. 255
230
150
Room
Temp.
6.0
(.236)
3.5
(.138)
9.5
(.374)
6.4
(.252)
9.0
(.354)
3.0
(.118)
STSG
1.5
(.059)
1.0
(.039)
3.5
(.138)
0.5
(.020)
MAX.
0.05
(0.002)
MAX.
PCB LAYOUT
H ± 0.2
(H ± .008)
1.6
(.063)
The STS Series is currently available,
although not recommended for new
designs.


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