BOURNS SDHH-8-TR

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The SDHH Series is currently available,
although not recommended for new
designs.
Features
Eight and four positions available
Gold plated contacts offer high reliability
■ Low contact resistance
■ Just 1.5 mm total height
■ Half pitch of 1.27 mm(.050 in.)
■ RoHS compliant*
■
■
SDHH Series Half Pitch SMD DIP Switch
Electrical Characteristics
Electrical Life ......1,000 operation cycles
per switch min.
Non-Switching Rating ..100 mA, 50 VDC
Switching Rating ............25 mA, 24 VDC
Contact Resistance .....100 mohms max.
Insulation Resistance ...100 Mohms min.,
DC 500 V min.
Dielectric Strength
..........................AC 300 V for 1 minute
Capacitance ............................5 pF max.
between adjacent closed switch
Circuit ...............Single pole single throw
Product Dimensions
SDHH Series Dimensions
A
ON
POS.
DIM. A
DIM. B
SDHH-4
4
6.31 (.248)
3.81 (.15)
SDHH-8
8
11.39 (.448)
8.89 (.35)
DIP
How to Order
SDH H - 8 - T R
1 2 3 4 5 6 7 8
Model
Actuator
H = Recessed
Environmental Characteristics
1.50
(.006)
Seal
T = Top tap sealed (standard)
0.10
(.004)
1.27
(.050)
PITCH
0.40
(.016)
Number of positions
4 = 4 positions
8 = 8 positions
Packaging
R = Tape and reel
Reflow Soldering Profile
275
4.50
(.177)
240 °C
225
Temperature (°C)
Mechanical Life ............1,000 operations
per switch min.
Operation Force ....................500 g max.
Stroke..........................................0.6 mm
Operating Temp. Range
..................................-40 °C to +85 °C
Storage Temperature ...-40 °C to +85 °C
Vibration Test .................MIL-STD-202F,
Method 201A
Frequency .........10-50-10 Hz/1 minute
Directions............X,Y,Z, three 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
Direction & Times ..............6 sides and
3 times in each direction.
High reliability
MODEL NO.
0.60
(.024)
180 °C
175
10-15
Sec.
80-90 Sec.
125 120 °C
75
6.70
(.264)
0
20
40
60
80 100 120 140 160 180 200
Time (Seconds)
Physical Characteristics
Cover Materials ................Thermoplastic
Nylon, UL94V-0; black
Base Materials..................Thermoplastic
Nylon, UL94V-0; black
Actuator Materials ............Thermoplastic
LCP, UL94V-0; white
Contact Materials ...............Alloy Copper
Contact Plating........3 Micro inches gold
over 40 micro inches nickel
Terminal Materials ..................Brass with
Gold plating
Reflow Soldering .......Peak temperature
or reflow oven should
be set to 240 ° C. max.
2 sec. while applying solder
Packaging........................All poles in the
“off” position
Recommended PCB Layout
DIMENSIONS ARE:
1.27
PITCH
(.050)
0.76
(.030)
4.90
(.193)
6.15
(.242)
7.40
(.291)
Circuit Diagram
MM
(INCHES)
TOLERANCES: ±.2 EXCEPT WHERE NOTED.
1.27 x (P-1)
[.050 x (P-1)]
*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.
35-60
Sec.
30-40 Sec.
25
SDHH Series Half Pitch SMD DIP Switch
Packaging Specifications
7.00 ± 0.13
(0.276 ± 0.005)
2.24 ± 0.10
(0.088 ± .004)
5˚ MAX
12.00 ± 0.13
(0.472 ± 0.005)
5.00 ± 0.13
(0.197 ± 0.005)
1.75 ± 0.10
(.069 ± .004)
2.00 ± 0.05
(0.079 ± .002)
1.50 ± 0.25
DIA.
(0.059 ± .010)
4.00 ± 0.10
(0.157 ± .004)
8˚
L ± 0.13
(L ± .005)
8.00 ± 0.10
(0.315 ± .004)
4.50 ± 0.1
(0.177 ± .004)
1.50 ± 0.10
(0.059 ± .010)
8 ˚ MAX
0.30 ± 0.13
(0.012 ± 0.005)
4.50 ± 0.1
(0.177 ± .004)
6.94 ± 0.10
(0.273 ± .004)
1.96 ± 0.10
(0.077 ± .004)
REV. 02/06
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.