IA
NT
Features
■
■
■
■
■
Through-hole and SMD styles available
Available sharp click feel with a positive
tactile feedback
Ultra-miniature and lightweight structure
suitable for high density mounting
Designed for washing after soldering
RoHS compliant*
*R
oH
S
CO
The ST(H,M,J,R)W Series is currently
available, although not recommended
for new designs.
M
PL
■
Insert molding in the contact with special
treatment prevents flux buildup during
soldering and permits autodipping
ST(H,M,J,R)W Series Sealed Tact Switch
Electrical Characteristics
Electrical Life...........100,000 cycles min.
Rating ............................DC 12 V, 50 mA
Contact Resistance .....100 mohms max.
Insulation Resistance ..100 Mohms min.
DC 500 V min.
Dielectric Strength
...........................AC 250 V for 1 minute
Contact Arrangement ...1 pole 1 position
Environmental Characteristics
Mechanical Life .......100,000 cycles min.
Operation Force ..................160 g, 260 g
Tolerance .....................................±50 g
Stop Strength ..Place the switch vertical,
a static load of 3 kg shall be
applied in the direction of actuator
operation for a period of 15 seconds
Stroke .......0.25 mm (+0.2 mm, -0.1 mm)
Operating 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 3 mutually
perpendicular directions
Time..................2 hours each direction,
high reliability
Shock Test .....................MIL-STD-202F,
Method 213B, Condition A
Gravity .......50 g (peak value), 11 msec.
Directions/Time ......6 sides and 3 times
in each direction
Physical Characteristics
Cover Materials ................Stainless steel
Base Materials..........Thermoplastic LCP
UL94V-0 black
Actuator Materials ............Thermoplastic
Nylon UL94V-0 (680, 690)
Color.................Brown (Silver 680 type)
Contact Disc. Materials ...........Phosphor
bronze with gold cladding
Terminal Materials ........Brass with silver
cladding
Product Dimensions
STHW
6.20
(.244)
C
L
STMW
0.70
(.028)
6.0
(.236)
6.20
(.244)
C
L
9.00
±
0.20
(.354
±
.079)
6.0
0.70
(.028) (.236)
6.30
4.0
±
0.20
C
L (.157
±
.008) (.248)
C
L
3.0
DIA.
(.118)
C
L
6.30
4.0
±
0.20
(.157
±
.008) (.248)
C
L
1.80
(.071)
3.0
DIA.
(.118)
H
3.50
±
0.50
(.138
±
.020)
6.50
±
0.50
(.256
±
.020)
7.90
±
0.5
(.311
±
.020)
6.50
±
0.10
(.256
±
.004)
4.0
±
0.10
(.157
±
.004)
1.0
±
0.05
4 PLCS.
(.039
±
.002)
C
L
2.20
(.087)
H
5.80
(.228)
2.35
(.093)
11.0
(.433)
6.80
(.268)
2.60
(.102)
5.40
(.213)
STRW
3.0
DIA.
(.118)
7.02
(.276)
STJW
6.80
±
0.20
(.268
±
.079)
6.20
(.244)
C
L
6.0
(.236)
0.70
(.028)
0.70
(.028)
HEIGHT
±
.20
(HEIGHT
±
.008)
7.55
±
0.50
(.297
±
.020)
4.00
±
0.50
(.157
±
.020)
C
4.0
±
0.20 6.30
L
(.157
±
.008)
(.248)
3.0
DIA.
(.118)
C
L
H
4.40
(.173)
C
L
2.20
(.087)
3.90
(.154)
3.45
±
.030
(.136
±
.012)
4.61
(.181)
6.10
(.240)
0.30
(.012)
8.60
(.339)
4.00
(.157)
5.80
(.228)
2.35
(.093)
9.0
±
0.1
(.354
±
.004)
3.7
(.146)
2.5
±
0.1
(.098
±
.004)
5.0
±
0.1
(.197
±
.004)
2.60
(.102)
5.40
(.213)
CIRCUIT DIAGRAM
1
2
5.8
±
0.1
(.228
±
.004)
3
4
DIMENSIONS:
MM
(IN)
*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.