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SDHH Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Half Pitch SMD DIP Switch
*RoHS COMPLIANT
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*
The SDHH Series is currently available,
although not recommended for new
designs.
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
Environmental Characteristics
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
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
Product Dimensions
A
ON
DIP
1 2 3 4 5 6 78
1.50
(.006)
0.40
(.016)
4.50
(.177)
0.10
(.004)
1.27
(.050)
PITCH
0.60
(.024)
6.70
(.264)
Recommended PCB Layout
1.27 x (P-1)
[.050 x (P-1)]
1.27
(.050)
PITCH
SDHH Series Dimensions
MODEL NO. POS.
SDHH-4
4
SDHH-8
8
DIM. A
6.31 (.248)
11.39 (.448)
DIM. B
3.81 (.15)
8.89 (.35)
How to Order
SDH H - 8 - T R
Model
Actuator
H = Recessed
Number of positions
4 = 4 positions
8 = 8 positions
Seal
T = Top tap sealed (standard)
Packaging
R = Tape and reel
Reflow Soldering Profile
275
240 °C
225
175
125 120 °C
10-15
Sec.
80-90 Sec.
180 °C
75
30-40 Sec.
35-60
Sec.
25
0 20 40 60 80 100 120 140 160 180 200
Time (Seconds)
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCES: ±.2 EXCEPT WHERE NOTED.
0.76
(.030)
4.90
(.193)
6.15
(.242)
7.40
(.291)
Circuit Diagram
*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.