Classification
Part Name
REFERENCE SPECIFICATION
3.5mm x 2.9mm SMD
Light Touch Switch
Issue No.
Part No.
EVPAA902Q
20151244
1 / 8
1. Notification Items
1.1 Law and the regulation which are applied
① Ozone depleting substances specified by Montreal Protocol have not been used in the manufacturing
process of the material used in this product.
② This product complies with RoHS Directive (on the restriction of the use of certain hazardous substances
in electrical and electronic equipment) (2011/65/EU).
③ The materials used in this product contain only the substances listed in the List of Existing Chemical Substances
specified in ‘Act on the Evaluation of Chemical Substances and Regulation of Their Manufacture, etc’.
④ Permission must be obtained from the Japanese government if the product that is subject to the
"Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan.
1.2 Application Limits
The following shall be described for safety precaution:
[Limitation of Application]
- This product has been designed and manufactured for general electronic devices,
such as home electronics, office equipment, information device and communication devices.
In an event that this product is used for more sophisticated applications requiring higher safety and
reliability and its failure or malfunction of this product may impose damage to human life or property,
agreement on product specifications for approval suitable for such applications are required.
Such applications shall include the following:
aircraft equipment, aerospace equipment, disaster prevention / crime prevention equipment,
medical equipment, transportation equipment (vehicles, trains, ships, etc.), information
processing equipment that are highly publicized, and other equivalent equipment
- Regardless of its applications, in an event that this product is used for the equipment requiring
high safety levels, place protective circuits or redundant circuits and perform safety tests to improve
your products safety.
1.3 Handling of reference specification.
・ Since the contents of this reference specification are subjected to change without
prior notifications,please request us a formal specification again for your investigations
before using.
1.4 Manufacturing Sites
The country of manufacture : China
The country of manufacture : Japan
Panasonic Industrial Devices (Qingdao) Co., Ltd.
Input Devices Business Unit, Electromechanical Control Business Division
Panasonic Corporation
2. Summary
2.1 This specifications applies to the following types of switch.
Push-ON type S.P.S.T
2.2 This specifications is a constituent document of contract for business concluded between
your company and Panasonic Corporation.
2.3 Items not particularly specified in this specifications shall be in conformance with JIS Standards.
Panasonic Corporation
Classification
Part Name
Issue No.
REFERENCE SPECIFICATION
3.5mm x 2.9mm SMD
Light Touch Switch
20151244
Part No.
EVPAA902Q
3. Dimension・Marking・Circuit diagram
2 / 8
REFERENCE ONLY
Date code are indicated in the product.
Panasonic Corporation
Classification
Part Name
Issue No.
REFERENCE SPECIFICATION
3.5mm x 2.9mm SMD
Light Touch Switch
20151244
Part No.
3 / 8
EVPAA902Q
4. General specification
DC 15 V 20 mA(max.)
4.1 Switch rating
DC
2 V
10 μA(min.)
-40 ∼ + 85 ℃
4.2 Operation temperature range
4.3 Preservative temperature range
Single condition :
- 40
Taping condition:
- 20
∼ + 85 ℃
∼ + 60 ℃
4.4 Standard conditions
Unless otherwise specified, the test and measurements shall be carried out as follows.
5 ∼ 35 ℃
Ambient temperature :
45 ∼ 85 %
Relative humidity
:
86 ∼ 106 kPa
Atmospheric pressure :
However, if doubt arises on the decision based on the measured values
under the above-mentioned conditions, the following conditions shall be employed.
20 ± 2 ℃
Ambient temperature :
65 ± 5 %
Relative humidity
:
86 ∼ 106 kPa
Atmospheric pressure :
5. Performance
5.1 Electrical characteristics
No.
ITEM
5.1.1
Contact
TEST CONDITION
Push force
:
resistance Measurement tool :
{Operation force} × 2
PERFORMANCE
100 mΩ max.
Contact resistance meter
(Capable of 10 μA ∼ 10 mA)
5.1.2
5.1.3
5.1.4
Insulation
DC 100 V (Between terminals)
resistance
Withstand
AC 250 V for 1 minute. (Between terminals)
voltage
Bouncing
Operation speed : 3∼4 times/s
100 MΩ min.
No insulation
destruction
ON
10 ms max.
bounce_e
OFF
10 ms max.
Panasonic Corporation
Classification
Part Name
Issue No.
REFERENCE SPECIFICATION
3.5mm x 2.9mm SMD
Light Touch Switch
20151244
Part No.
4 / 8
EVPAA902Q
5.2 Mechanical characteristics
No.
ITEM
PERFORMANCE
TEST CONDITION
5.2.1 Operation force
Push force
5.0
dousazu2_e
5.2.2
5.2.3
Push strength
0.15
50 N for
N
Return force
1.0 N min
Travel to
closure
dousazu3_e
1.0
1.0
+
-
0.1
0.1
+
-
mm
storoke_zu
60 sec.
No damage
push_zu
(Electrical and
mechanical)
5.2.4
Vibration test
1) Amplitude
: 1.5 mm
No.5.1 and
2) Sweep rate
: 10-55-10Hz for 1 minute
5.2.1 to 5.2.2 shall
3) Sweep method
: Logarithmic frequency
be satisfied.
sweep rate
4) Vibration direction : X,Y,Z(3 directions)
5) Time
: Each direction 2 hours
(Total 6 hours)
5.2.5
Soldering heat
test
Mount the switch on P.W.B by solder paste.
Contact resistance
1) Reflow process 2 times. (Refer to section 6.1)
100 mΩ max.
2) Standard conditions after test : 1 hours
No.5.1.2 to 5.1.4 and
No.5.2.1 to 5.2.2
shall be satisfied.
5.2.6
Solderbility
After spreading flux, the terminal is immersed
95% or more of surface
in solder with following condition.
area(Excluding ruptured
Solder bar
surface)where is
: M705/Sn-3.0Ag-0.5Cu
(Senju Metal Industry Co.,Ltd.)
Flux
: CF-110VH-2A (tamura kaken)
Soldering temperture : 260±5℃
Soldering time
: 2±0.5 sec.
Panasonic Corporation
immersed in solder
shall be covered by new
solder.
Classification
Part Name
REFERENCE SPECIFICATION
3.5mm x 2.9mm SMD
Light Touch Switch
Issue No.
20151244
Part No.
5 / 8
EVPAA902Q
5.3 Climatic characteristics
No.
PERFORMANCE
TEST CONDITION
ITEM
5.3.1 Cold test
1) Temperature
: -40±2 ℃
Contact resistance
2) Duration of test : 500h
1000 mΩ max.
3) Take off a drop water.
No.5.1.2 to 5.1.4 and
4) Standard conditions after test
: 1h
No.5.2.1 to 5.2.2
shall be satisfied.
5.3.2
Heat test
1) Temperature
: 85±2 ℃
Contact resistance
2) Duration of test : 500h
1000 mΩ max.
3) Standard conditions after test
: 1h
No.5.1.2 to 5.1.4 and
No.5.2.1 to 5.2.2
shall be satisfied.
5.3.3
Heat shock
1) Test cycles
test
5.3.4
5.3.5
Humidity test
: 20 cycles
2) Standard conditions after test
1) Temperature
Contact resistance
: 1h
A:+85±2 ℃
B:-40±2 ℃
C:1 hour
D:5 minutes max.
E:1 hour
F:5 minutes max.
: 60±2 ℃
1000 mΩ max.
No.5.1.2 to 5.1.4 and
No.5.2.1 to 5.2.2
shall be satisfied.
Contact resistance
2) Relative humidity : 90∼95 %
1000 mΩ max.
3) Duration of test
No.5.1.2 to 5.1.4 and
: 500 h
4) Take off a drop water.
No.5.2.1 to 5.2.2
shall be satisfied.
Endurance
5) Standard conditions after test : 1 h
1) DC 15 V 20 mA Resistance load
(Switching
2) Operation speed
action)
3) Push force
4) Operation number
: 2∼3 times/s
: Maximum value of operation
force
:
100,000
times
Contact resistance
20 Ω max.
Bouncing : 10 ms max.
Variation rate of
operation force shall
be within ±30 % to the
value before testing
No.5.1.2 and 5.2.2
shall be satisfied.
5.3.6
Withstand H 2S
1) Density
: 3±1ppm
Contact resistance
2) Temperature
: 40±2 ℃
1000 mΩ max.
3) Relative humidity : 80∼85 %
No.5.1.2 to 5.1.4 and
4) Duration of test
No.5.2.1 to 5.2.2
: 24 h
5) Standard conditions after test
: 1h
Panasonic Corporation
shall be satisfied.
Classification
Part Name
Issue No.
REFERENCE SPECIFICATION
3.5mm x 2.9mm SMD
Light Touch Switch
20151244
Part No.
6 / 8
EVPAA902Q
6. Prohibitions and precaution for handling
6.1 Reflow soldering condition
1) Two times max. with directing the switch mounting side of P.W.B up.
2) Re-soldering by soldering iron shall be allowed under 350 ℃ max. 3 sec. max. 1 time only and
the tip of iron must not touch to terminals.
Soldering iron for re-soldering have to be 60 W max.
6.2 Design instructions
1) Please refer to the land pattern plan Panasonic recommends on the 2nd page.
2) Design key top as fig-1. Design inclination of key top 4 deg. max. as fig-2.
Deviation between center of key top and switch should be within 0.3 mm.
(Recommended operation condition)
tyuui3_e
fig-1
tyuui4_e
fig-2
6.3 Note
1) Please be cautions not to give excessive static load or shock to switches.
2) Please be careful not to pile up P.W.B. after switches were soldered.
3) Preservation under high temperature and high humidity or corrosive gas should be avoided especially.
When you need to preserve for a long period, do not open the carton.
4) Avoid pressing the film portion of the product with sharp-edged object.
5) Cleaning
･ If flux or solder is scattered on the surface of P.W.B when soldering, characteristics of this product
may be damaged.
･ Cleaning after soldering is not allowed.When cleaning is required this switch should be soldered after
the cleaning.
6) Avoid the use of the switch under pushed ON condition is continued for a long time.
7) There is a possibility the flux from solder paste infiltrates into the body if plenty of solder paste was
applied by switch on the P.W.B.
So we recommend to use our proposed land design in order to prevent above problem.
Also please avoid putting additional land by the switch on the P.W.B.
Panasonic Corporation
Classification
Part Name
3.5mm x 2.9mm SMD
Light Touch Switch
REFERENCE SPECIFICATION
Part No.
EVPAA902Q
7. Packing specification
Panasonic Corporation
Issue No.
20151244
7 / 8
Classification
Part Name
REFERENCE SPECIFICATION
3.5mm x 2.9mm SMD
Light Touch Switch
Issue No.
Part No.
EVPAA902Q
20151244
8 / 8
<Prohibitions and precaution for handling>
【Prohibited items on fire and smoking】
・ Absolutely avoid use of a product beyond its rated range because doing so may cause a fire.
If misuse or abnormal use may result under conditions in which the product is used out of its
rated range, take proper measures such as current interruption using a protective circuit.
・ The grade of nonflammability for resin used in product is "94HB, " which is based on UL94
Standards (flammability test for plastic materials). Prohibit use in a location where a
spreading fire may be generated or prepare against a spreading fire.
【For use in equipment for which safety is requested】
・ Although care is taken to ensure product quality, inferior characteristics, short circuits,
and open circuits are some problems that might be generated. To design an equipment which
places maximum emphasis on safety, review the effect of any single fault of a product
in advance and perform virtually fail-safe design to ensure maximum safety by:
・ Preparing a protective circuit or a protective device to improve system safety, and equipment.
・ Preparing a redundant circuit to improve system safety so that the single fault
of a product does not cause a dangerous situation.
【Attentions required for storage condition】
・ When this product is to be stored in the following circumstances and conditions, it may
affect on the performance deteriorations and solderability etc., avoid storing in the
following conditions.
(1) A place where the temperature is -10℃ max., +40℃ min. and the humidity is 85% min.
(2) In the corrosive gas atmosphere.
(3) Long-term storage for 6 months min.
(4) A place where the product is exposed to direct sunlight.
・ Store in packed condition so that the load stress is not applied.
・ Please use this product as soon as possible, our recommendation is within 3 months and the
limitation is 6 months.
・ If any remainder left after packing is opened, store it with proper moistureproofing and
gasproofing, etc.,
Panasonic Corporation