*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.

STJN-5 SMD Thin Tact Switch

Features

■

Thin 5 mm square SMD

■

Three different operating forces

■

0.8 mm height without knob

(1.5 mm with knob)

■

Compatible with surface mount reflow

soldering processes

■

RoHS compliant*

Electrical Characteristics

Max. Power Rating

.............................12 VDC max., 50 mA

Contact Resistance

...............................100 milliohms max.

Insulation Resistance

..............100 megohms min., 100 VDC

Dielectric Strength

...........................AC 250 V for 1 minute

Bounce

On .........................................3 ms max.

Off .......................................10 ms max.

Circuit ....................................N.O. SPST

Mechanical Characteristics

Mechanical Life

100 gf + 160 gf ......500,000 cycles min.

260 gf ....................200,000 cycles min.

Actuation Force

..................100 gf ±50 gf (1.0 N ±0.5 N)

..................160 gf ±50 gf (1.6 N ±0.5 N)

.................260 gf ±60 gf (2.6 N ± 0.6 N)

Stroke ....................0.25 mm +0.10/-0.20

General Characteristics

Switch Type .........................(N.O.) SPST

Operating Temperature Range

....................................-20 °C to +70 °C

Storage Temperature Range

....................................-40 °C to +85 °C

Product Dimensions

Recommended PCB Layout

Circuit Diagram

STJN-508

4.5

(.177)

4.9

(.193)

3.2

(.126)

DIA.

3.7

(.146)

1.2

(.047)

4.5

(.177)

4.9

(.193)

2

4

1

3

0.2

(.007)

0.3

(.012)

2.5

(.098)

5 ± 0.5

(.197 ± .020)

0.05

(.002)

0.45

(.018)

0.8

(.031)

0.4

(.016)

How to Order

STJ N - 5 08 - N TR

Model

Thin SMD Tact Switch

Product Code

N = Non-washable

Size

5 = 5 mm

Height

08 = 0.8 mm (without knob)

15 = 1.5 mm (with knob)

Actuating Force

K = 100 gf (1.0 N)

N = 160 gf (1.6 N)

R = 260 gf (2.6 N)

Packaging

TR = Embossed Tape

5,000 pcs./reel

1.0

(.040)

3.4

(.134)

5.4

(.213)

3.1

(.122)

4.3

(.169)

4.6

(.181)

5.5

(.217)

12

34

TOLERANCES: ±.38 EXCEPT WHERE NOTED.

DIMENSIONS:

MM

(IN)

Recommended PCB Layout

Circuit Diagram

STJN-515

4.5

(.177)

4.9

(.193)

2.4

(.094)

DIA.

3.2

(.126)

DIA.

4.4

(.173)

DIA.

4.0

(.157)

DIA.

3.7

(.146)

1.2

(.047)

4.5

(.177)

4.9

(.193)

2

4

1

3

0.2

(.007)

0.3

(.012)

2.5

(.098)

3.3

(.130)

3.4

(.134)

5.0 ± 0.5

(.197 ± .020)

0.05

(.002)

0.45

(.018)

0.8

(.031)

0.4

(.016)

1.2

(.047)

1.5 +0.2 / -0.1

(.059 +.008 / -.004)

1.0

(.040)

3.4

(.134)

5.4

(.213)

3.1

(.122)

4.3

(.169)

4.6

(.181)

5.5

(.217)

12

34

Reflow Soldering Profile

Time (Seconds)

275

30-40 Sec.

120 °C

225

175

125

75

25

0

20

40

60

80

100 120 140 160 180 200

80-90 Sec.

10-15

Sec.

35-60

Sec.

180 °C

240 °C

REV. 02/06

Model STJN-5 is currently available,

although not recommended for new

designs.