IA
NT
Features
■
■
■
■
Available sharp click feel with a positive
tactile feedback
Ultra-miniature and lightweight structure
suitable for high density mounting
Economical with high reliability
RoHS compliant*
*R
oH
S
CO
The SDT Series is currently available,
although not recommended for new
designs.
M
PL
■
Insert molding in the contact with special
treatment prevents flux buildup during
soldering and permits autodipping
SDT Series Tact Switch
Electrical Characteristics
Electrical Life
..................500,000 cycles min. for 260 g
1,000,000 cycles min. for 100 g, 160 g
Rating ..................................DC 12 V 50 mA
Contact Resistance ......100 milliohms max.
Insulation Resistance
..................100 megohms, DC 500 V min.
Dielectric Strength ....250 V AC for 1 minute
Contact Arrangement ........1 pole 1 position
Environmental Characteristics
Operation Force ......................260 g ±50 g,
160 g ±50 g, 100 g ±50 g
Stop Strength............Place the switch such
that vertical, a static load of 3 kg shall
be applied in the direction of actuator
operation for a period of 15 sec.
Stroke
6mm type ..................0.25 + 0.2/- 0.1 mm
12mm type ........................0.35 ± 0.1 mm
Temperature Range ..........-20 °C to +70 °C
Vibration Test........................Mil-STD-202F,
Method 201A
Frequency ..............10-55-10 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
..........................................................Steel
Base Materials ......UL94V-0 PBT plus glass
fiber reinforced
Cover/Base Color................................Black
Actuator Materials ................Dulacon POM
plus glass fiber reinforced
Actuator Color ................Black, brown, red
Contact Disc Materials ....Phosphor bronze
with silver cladding
Terminal Materials
..........................Brass with silver cladding
Hand Soldering Process
..............350
°C
±10
°C
/ 5 seconds max.
Wave Soldering Process
....................Preheat 100
°C
/ 60 seconds
260
°C
±5
°C
/ 5 seconds
Packaging ..................1,000 pieces per bag
Product Dimensions
SDTX-610/620/630/650/660
4.30
(.169)
C
L
6.0
(.236)
SDTG-610/620/630/650/660
4.30
(.169)
C
L
6.0
(.236)
T3
T1
T2
T4
C
L
T3
T4
4.50 ± 0.20
(.177 ± .008)
C
L
T2
T5
T1
4.50 ± 0.20
(.177 ± .008)
0.50
MAX.
(.020)
C
L
3.50
DIA.
(.138)
0.40
MAX.
(.016)
H ± 0.20
(H ± .008)
0.30
(.012)
1.80
(.071)
6.50 ± 0.50
(.256 ± .020)
7.90 ± 0.50
(.311 ± .020)
3.50
(.138)
3.50 ± 0.50
(.138 ± .020)
C
L
1.50
(.059)
3.50
DIA.
(.138)
H ± 0.20
(H ± .008)
3.60
(.142)
0.70
(.028)
3.50 ± 0.50
(.138 ± .020)
0.30
(.012)
1.80
(.071)
SDTX-644/648
A
B
SDTX-644
DIM.
C
L
6.50 ± 0.50
(.256 ± .020)
7.90 ± 0.50
A
B
MM/(IN)
2.4 +.1/-0
(.094 + .004/-0)
1.6 + .1/-0
(.063 + .004/-0)
SDTX-648
MM/(IN)
2.8 +.1/-0
(.110 + .004/-0)
2.0 + .1/-0
(.079 + .004/-0)
SDTG-644/648
A
B
4.10
(.161)
SDTG-644
DIM.
C
L
A
B
DIM.
A
B
0.70
(.028)
RECOMMENDED PCB LAYOUT
6.5
±
0.1
(.256
±
.004)
15°
MM/(IN)
2.4 +.1/-0
(.094 + .004/-0)
1.6 + .1/-0
(.063 + .004/-0)
SDTG-648
MM/(IN)
2.8 +.1/-0
(.110 + .004/-0)
2.0 + .1/-0
(.079 + .004/-0)
DIM.
A
B
0.70
(.028)
15°
4.5
±
0.1
(.177
±
.004)
CIRCUIT DIAGRAM
T4
T3
T2
T1
T5
1.0
±
0.05
DIA
(.039
±
.002)
4 PLCS.
CIRCUIT DIAGRAM
T1
T2
RECOMMENDED PCB LAYOUT
6.5
±
0.1
(.256
±
.004)
4.5
±
0.1
(.177
±
.004)
T3
T4
DIMENSIONS:
MM
(IN)
4.1
±
0.1
(.161
±
.004)
1.0
±
0.05
DIA
(.039
±
.002)
5 PLCS.
*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.
SDT Series Tact Switch
Product Dimensions
SDTX-244
8.0
(.315)
C
L
T1
Packaging Specifications
SDTX-610/620/630/644/648/650 Ammo Pack
12.0
(.472)
6.35
±
1.00
(.250
±
.004)
6.0
(.236)
5.0 ± 0.20
(.197 ± .008)
12.7
±
1.00
(.508
±
.004)
3.5
DIA.
(.138)
3.5
(.138)
How to Order
SDT G - 6 10 - K AP
Model
Product Series
• X = Standard
• G = Ground Terminal
• A = Right Angle Type
Body Size
• 6 = 6 mm
• 2 = 12 mm *
Distance From First Pin
to Top of Head
(Right Angle Type)
• 10 = 3.15 mm
• 20 = 3.85 mm
• 30 = 5.85 mm
• 44 = 6.15 mm (square head)
• 48 = 6.15 mm (square head)
• 50 = 8.35 mm
• 60 = 11.85 mm
Height (Standard Type)
• 10 = 4.3 mm
• 20 = 5.0 mm
• 30 = 7.0 mm
• 44 = 7.3 mm x 2.4 mm (square head)
• 48 = 7.3 mm x 2.8 mm (square head)
• 50 = 9.5 mm
• 60 = 13 mm
Actuating Force
• K = 100 g (black head - 6 mm only)
• N = 160 g (brown head)
• R = 260 g (red head)
• S = 320 g (salmon head - 6 mm only)
• Y = 520 g (yellow head - 6 mm only)
Packaging Option
(SDTX only)
• AP = Ammo Pack
* Options available:
• SDTX-210
• SDTX-244
T2
C
L
T3
T4
H
±
0.2
(H
±
0.08)
SUPPORT TAPE
9.0
(.354) 18.0
(.709)
18.0
(.709)
4.0
±
0.3
DIA.
(.157
±
.012)
CARRIER TAPE
3.85
±
0.5
(.159
±
.020)
7.10
DIA.
(.280)
0.50
MAX.
(.020)
C
L
1.70
(.067)
4.30
(.169)
7.30
(.287)
1.80
(.071)
0.30
(.012)
12.50 ± 0.50
(.492 ± .020)
13.90 ± 0.50
(.547 ± .020)
3.0
(.118)
3.50
(.138)
3.50 ± 0.50
(.138 ± .020)
5.0
±
0.2
(.197
±
.008)
12.7
±
0.3
(.500
±
.012)
3.8 + .1/-0
(.150 + .004/-0)
2.0
MAX.
(.079)
47.0
(1.85)
C
L
291.0
(11.46)
15 °
1.0
(.039)
331.0
(13.03)
5.0 ± 0.10
(.197 ± .004)
RECOMMENDED PCB LAYOUT
5.0
±
0.1
(.197
±
.004)
1.20 ± 0.05
DIA 4 PLCS.
(.047 ± .002)
700 pieces per box
RECOMMENDED PCB LAYOUT
12.50 ± 0.10
(.492 ± .004)
CIRCUIT DIAGRAM
T1
T2
1.0 +0.1/-0
(.040 + .004/-0)
T3
T4
CIRCUIT DIAGRAM
T1
T2
REV. 02/06
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Analogue and Mixed Signal
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