STJN-5 Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – SMD Thin Tact Switch

*RoHS ^COMPLIANT
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
Model STJN-5 is currently available,
although not recommended for new
designs.
■ RoHS compliant*
STJN-5 SMD Thin Tact Switch
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
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
Product Dimensions
STJN-508
1.2
(.047)
4.9
(.193)
4.5
(.177)
4.5
1
(.177) _3.7
4.9
(.146)
(.193)
3
0.8
(.031)
2
4
3.2
(.126)
DIA.
0.05 0.45
(.002) (.018)
0.4
(.016)
2.5
(.098)
5 ± 0.5
(.197 ± .020)
0.2
(.007)
0.3
(.012)
Recommended PCB Layout
3.4
(.134)
1.0
(.040)
5.4
(.213)
4.3
(.169)
3.1
(.122)
5.5
(.217)
4.6
(.181)
Circuit Diagram
1
2
3
4
TOLERANCES: ±.38 EXCEPT WHERE NOTED.
DIMENSIONS:
MM
(IN)
REV. 02/06
*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-515
1.2
(.047)
4.5
1
(.177) _3.7
4.9
(.146)
(.193)
3
1.2 0.8
(.047) (.031)
4.9
(.193)
4.5
(.177)
4.4
(.173)
DIA.
4.0
(.157)
DIA.
2
3.3
(.130)
3.4
(.134)
4
3.2
(.126)
DIA.
2.4
(.094)
DIA.
0.05
(.002)
0.4
(.016)
1.5 +0.2 / -0.1
(.059 +.008 / -.004)
2.5
(.098)
5.0 ± 0.5
(.197 ± .020)
0.2
(.007)
0.3
(.012)
0.45
(.018)
Recommended PCB Layout
3.4
(.134)
1.0
(.040)
5.4
(.213)
4.3
(.169)
3.1
(.122)
5.5
(.217)
4.6
(.181)
Circuit Diagram
1
2
3
4
Reflow Soldering Profile
275
240 °C
225
175
125 _{120 °C}
10-15
Sec.
80-90 Sec.
180 °C
75
35-60
30-40 Sec.
Sec.
25
0 20 40 60 80 100 120 140 160 180 200
Time (Seconds)