SDTM-648-K Bourns Inc., SDTM-648-K Datasheet
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SDTM-648-K
Manufacturer Part Number
SDTM-648-K
Description
Tactile & Jog Switches 12volt 50mA 6mm
Manufacturer
Bourns Inc.
Series
SDTMr
Specifications of SDTM-648-K
Pole Throw Configuration
SPST
Switch Function Configuration
N.O.
Operating Force
0.98N
Actuator Style
Square Button
Actuator Color
Black
Actuator Length (mm)
3.8mm
Current Rating (max)
0.05A
Voltage Rating (vdc)
12V
Contact Material
Phosphor Bronze
Contact Plating
Silver
Base/housing Material
Thermoplas Nyl(Base)
Product Length (mm)
9mm
Product Depth (mm)
6.2mm
Product Height (mm)
7.3mm
Operating Temp Range
-25C to 70C
Body Orientation
Straight
Mounting Style
Surface Mount
Terminal Type
Gull Wing
Actuator
Square
Contact Rating
50 mA at 12 Volts
Ground Terminal
No
Contact Form
SPST
Termination Style
Solder Pad
Body Size
6 mm L x 6.2 mm W x 7.3 mm H
Color
Black
Features
Economical with high reliability
Operating Temperature Range
- 20 C to + 70 C
Lead Free Status / RoHS Status
Compliant
Electrical Life
Rating ............................DC 12 V, 50 mA
Contact Resistance .....100 mohms max.
Insulation Resistance ..100 Mohms min.,
Dielectric Strength
Contact Arrangement ...1 pole 1 position
Operation Force .......100 g, 160 g, 260 g
Stop Strength ..Place the switch vertical,
Stroke .......0.25 mm (+0.2 mm, -0.1 mm)
Temperature Range......-25 °C to +70 °C
Vibration Test .................MIL-STD-202F,
Shock Test .....................MIL-STD-202F,
Cover Materials ..............Steel, tin plated
Base Materials .......Thermoplastic Nylon
Actuator Materials ............Thermoplastic
Contact Disc. Materials ...........Phosphor
Terminal Materials ........Brass with silver
*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.
Electrical Characteristics
Environmental Characteristics
Tolerance .....................................±50 g
Frequency ............10-50-10Hz/1minute
Directions..............X,Y,Z 3 mutually per
Time..................2 hours each direction,
Gravity .......50 g (peak value), 11 msec.
Directions/Time ......6 sides and 3 times
Physical Characteristics
Color .........................Black, brown, red
.................50,000 cycles min. for 260 g
...........................AC 250 V for 1 minute
500,000 cycles min. for 100 g, 160 g
operation for a period of 15 seconds
applied in the direction of actuator
a static load of 3 kg shall be
Method 213A, Condition A
bronze with silver cladding
pendicular directions
FG 101, UL94V-0
in each direction
Nylon UL94V-0
DC 500 V min.
high reliability
Method 201A
cladding
SDTM Series SMD Tact Switch
Features
Model
Product Code
Size
Height
Actuating Force
Packaging Option
*not applicable to Model 660.
CIRCUIT DIAGRAM
How To Order
10 = 4.3 mm
20 = 5.0 mm
30 = 7.0 mm
44 = 7.3 mm (square head)
48 = 7.3 mm (square head)
50 = 9.5 mm
60 = 13 mm
tactile feedback
suitable for high density mounting
RoHS compliant*
M = SMD
K = 100 g (black head)
N = 160 g (brown head)
R = 260 g (red head)
S = 320 g (salmon head)
Y = 520 g (yellow head)
TR = Embossed tape*
__ = Tube
Available sharp click feel with a positive
Ultra-miniature and lightweight structure
Very economical with high reliability
6 = 6 mm
610 = 1000 pcs.
620 = 900 pcs.
630 = 700 pcs.
644, 648 = 500 pcs.
650 = 380 pcs.
All models = 77 pcs.
SDT M - 6 10 - K TR
T 1
T 3
T 2
T 4
SDTM-644/648
RECOMMENDED PCB LAYOUT
SDTM-644:
SDTM-648: 2.8
treatment prevents flux buildup during
soldering and permits autodipping
SDTM-610/620/630/650/660
Insert molding in the contact with special
Product Dimensions
T 1
T 3
(.020)
T 1
T 3
0.50
The SDTM Series is currently available,
(.020)
TOLERANCES:
0.50
(.374)
T 1
T 3
9.50
although not recommended for new
(.095)
(.110)
0°-4°
(.028)
2.4
designs.
0.70
0°-4°
(.028)
MAX.
0.70
MAX.
DIA.
DIA.
(.051)
1.30
(.354 ± .008)
DIMENSIONS:
(.354 ± .008)
9.0 ± 0.2
9.0 ± 0.2
(.169)
(.008)
4.30
(.169)
0.2
C L
4.30
C L
(.252)
6.40
C L
C L
EXCEPT WHERE NOTED.
(.138)
MM
(IN)
3.50
C L
(.138)
(.244)
3.50
C L
6.20
(.244)
6.20
(.177 ± .008)
4.50 ± 0.20
(.177 ± .008)
DIA.
4.50 ± 0.20
(H ± .008)
H ± 0.20
(.008 ± .004)
0.200 ± 0.10
(.287)
7.30
0.200 ± 0.10
(.008 ± .004)
(.138)
(.177)
3.50
4.50
T 2
T 4
T 2
T 4
T 2
T 4
Related parts for SDTM-648-K
SDTM-648-K Summary of contents
Page 1
... Tube All models = 77 pcs. *not applicable to Model 660. CIRCUIT DIAGRAM The SDTM Series is currently available, although not recommended for new designs. Insert molding in the contact with special treatment prevents flux buildup during soldering and permits autodipping Product Dimensions SDTM-610/620/630/650/660 6.20 ( ...
Page 2
... SDTM Series SMD Tact Switch Packaging Specifications SDTM-610/620/630/644/648/650(TR) 16.00 +0.30/-0.10 2.0 ± 0.10 (.630 + .012/-.004) (.079 ± .004) 1.50 +0.25/-0.00 (.059 +.010/-0.00) DIA. 4.00 ± 0.10 (.157 ± .004) 12.00 ± 0.10 (.472 ± .004) 1.50 + 0.10/-0.00 ( ...