*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.

ST(H,M,J,R)W Series Sealed Tact Switch

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*

■

Insert molding in the contact with special

treatment prevents flux buildup during

soldering and permits autodipping

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

CL

CL

CL

1.80

(.071)

H

3.50 ± 0.50

(.138 ± .020)

4.0 ± 0.10

(.157 ± .004)

4.0 ± 0.20

(.157 ± .008)

6.0

(.236)

6.30

(.248)

1.0 ± 0.05

(.039 ± .002)

4 PLCS.

0.70

(.028)

6.50 ± 0.10

(.256 ± .004)

6.50 ± 0.50

(.256 ± .020)

7.90 ± 0.5

(.311 ± .020)

3.0

(.118)

DIA.

6.20

(.244)

STHW

CL

CL

CL

CL

5.40

(.213)

2.60

(.102)

6.80

(.268)

11.0

(.433)

5.80

(.228)

3.0

(.118)

DIA.

STMW

4.0 ± 0.20

(.157 ± .008)

6.0

(.236)

6.30

(.248)

0.70

(.028)

6.20

(.244)

9.00 ± 0.20

(.354 ± .079)

H

2.20

(.087)

2.35

(.093)

12

4

3

CIRCUIT DIAGRAM

Product Dimensions

DIMENSIONS:

MM

(IN)

CL

CL

CL

CL

STJW

H

6.20

(.244)

6.80 ± 0.20

(.268 ± .079)

0.70

(.028)

6.0

(.236)

6.30

(.248)

4.0 ± 0.20

(.157 ± .008)

3.0

(.118)

DIA.

5.80

(.228)

2.20

(.087)

4.40

(.173)

0.30

(.012)

8.60

(.339)

4.00

(.157)

2.35

(.093)

2.60

(.102)

5.40

(.213)

STRW

4.00

± 0.50

(.157

± .020)

7.55

± 0.50

(.297

± .020)

6.10

(.240)

0.70

(.028)

3.0

(.118)

DIA.

5.8

± 0.1

(.228

± .004)

3.90

(.154)

4.61

(.181)

7.02

(.276)

2.5

± 0.1

(.098

± .004)

5.0

± 0.1

(.197

± .004)

3.45

± .030

(.136

± .012)

HEIGHT

± .20

(HEIGHT

± .008)

3.7

(.146)

9.0

± 0.1

(.354

± .004)

The ST(H,M,J,R)W Series is currently

available, although not recommended

for new designs.