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D2A
Mounting Holes (unit: mm)
M2 Tap
3.8 ± 0.1
Ultra Subminiature Detection Switch
5.5 ± 0.1
1.6 dia. holes
Dimensions (unit: mm) and Operating Characteristics
D
2
A
D2A-1110, D2A-1120
D2A-2110, D2A-2120
2 +0.12 dia. holes
FP
OP
6.5
5.5 ± 0.15
5.6
4.2
1.6
Operating
characteristics
Operating Force
OF
Models Non- Shorting Model
Model D2A D2A
-1110 -1120
Max 0.98 N 0.49 N
Shorting Model
D2A D2A
-2110 -2120
0.98 N 0.49 N
1.4
{100 gf}
{50 gf}
{100 gf}
{50 gf}
6
4.5
A 3.8 ± 0.15
4
1
Releasing Force
RF
Min.
0.15 N
{15 gf}
0.05 N
{5 gf}
0.15 N
{15 gf}
0.05 N
{5 gf}
1.5 -0.12 dia.
3.5
2.54 2.54
4
8
0.8 0.3
0
0.9
<PCB Mounting
Dimensions (Reference)>
Free Position FP Max.
Operating Position OP1
OP2
Total Travel Position TTP
9.5 mm
8.1 ± 0.3 mm
7.4 ± 0.3 mm
6.5 ± 0.2 mm
9.5 mm
8.0 ± 0.3 mm
7.5 ± 0.3 mm
6.5 ± 0.2 mm
2.54
Switching timing
3-1 dia. holes
Non-shorting Model
Shorting Model
2.54
2 NC
FP OP1
OP2 TTP
2 NC
FP
OP1
OP2
TTP
8
Unless otherwise specified, a tolerance of ± 0.4 mm applies to all dimensions.
Note1.
Note2.
The operating characteristics are for operation in the A direction ( ).
Precautions
★ Please refer to "Common Precautions" for correct use.
4.2
1
3 NO
1
3 NO
Cautions
● Soldering
For soldering time, we recommend to solder within 3 seconds at
a soldering iron temperature of less than 350°C. When soldering
exceeds this temperature and time, or repeated soldering will
degrade the Switch characteristics.
Make sure that flux and liquid
● Mounting Plate
Use materials other than ABS or polycarbonate for the mounting
plate. Since grease is used for the Switch, cracks may occur if
grease from the Switch comes in contact with such materials.
● Using Micro Loads
It is recommended to use the Switch in the operation range
shown below. However, even when using micro load models
within the following operating range, if inrush current occurs
surface of the solder do not flow
over the edge of the board when
Switch mounti
surface
when the contact is opened or closed, it may increase the
contact wear and so decrease durability. Therefore, insert a
soldering. Please complete
soldering at a temperature of
260°C within 5 seconds.
It is also recommended that you apply flux guard to the mounting
contact protection circuit where necessary. The minimum
applicable load is the N-level reference value. This value
indicates the malfunction reference level for the reliability level of
60% ( λ 60 ). (JIS C5003)
The equation, λ 60 =0.5×10 -6 /operation, indicates that the
estimated malfunction rate is less than 2,000,000 operations with
surface of the Switch.
● Mounting
Correct Use
a reliability level of 60%.
1
Use M2 mounting screw with plane washers or spring washers to
mount the Switch. Tighten the screws to a torque of 4.9 to
30
0.16 mA
100 mA
9.8×10 -2 N ? m {0.5 to 1kgf ? cm}.
● Application of Operation Force to the Actuator
Do not apply operation forces other than in the operating
direction of the lever as shown in the following figure.
It may damage the Switch or
cause malfunction.
24
12
Operating range
5
0
1 mA
0.1
1
10
100
1,000
Current (mA)
2
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