ONLY FOR REFERENCE
Mitsumi Model Name
Mitsumi Model No.
Operating Force/ Boss
Pcs/Reel
SOU-242HST
R66 6939
1.6N / With
5 000
5,000
This specification is only for reference. If you have any questions for the details,
please contact SW engineering division.
For your adopting the products, the formal supply specification will be provided.
2‐11‐2,Tsurumaki,Tama‐shi.Tokyo 206‐8657 Japan.
SWITCH ENGINEERING SECTION
1049,Tateiwa,Iizuka‐shi. Fukuoka 820‐8533 Japan.
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APPROVED CHECKED
General Specification
WRITTEN
May.26.'08 May.26.'08 May.26.'08
SW
SW
SW
Terashita Kawaguchi Kikuchi
Side Click Type Tactile Switch
SOU-242 Series
Issued
May. 26th, 2008
1. GENERAL SCOPE
1-1 THE SCOPE OF APPLICATION
This specification covers the general requirements of mechanical and electrical characteristics of
Side Click Type Tactile Switch mainly used as signal switch of electric devices.
1-2 TEST CONDITIONS
Tests and measurements shall be made in the following standard conditions unless otherwise specified.
Normal temperature : 5 to 35oC
Normal humidity: Relative humidity 45 to 85%
In case any question arises from the judgment made, tests shall be conducted
the following conditions.
Temperature : 20+/-2oC, Humidity: 65 +/- 5%
2. APPEARANCE AND CONSTRUCTION
2-1 Outer dimensions: Refer to the attached drawing.
2-2 Materials: As shown in Table-1.
2-3 Appearance:
There should be no critical crack, scratch, dirt, discoloration and contamination
which affect the functional characteristics of the switch. If these problems don't
affect
ff t th
the characteristics,
h
t i ti
th
the switch
it h can bbe jjudged
d d as a good
d one.
* There may be rare occasions when any substance such as a white stain attaches
to the top of cover, but this substance is a constituent of quick-drying grease
which doesn't affect the performance of switch.
2-4 Cross section
(1) Cover
(2) Slider
(3) Cover Tape
(4) Switch Base
(5) Spring
(6) Terminal
△5※The switch with boss type is shown
above as a typical drawing.
Part Name
Revision
3. RATING
△10×2
△9×4
△8×1
SUS
Nylon
Polyimide
Nylon
φ2.4 mm, SUS
Phosphor bronze
Remarks
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(1) Cover
(2) Slider
(3) Cover Tape
(4) Switch base
(5) Spring
(6) Terminal
Table-1
Material
Ni + Ag
Ag
9
Maximum ratings 50mA, 12V D.C. (Resistive load)
Oct.20th,'16 Change the bar code label to QR code label Nakashima
Circuit symbol changed. The condition
Jan.15th,'15 added to Operating Temperature range.
Tsutsui
PRECAUTIONS IN USE added.
Mar.12th.'14 To 2-4 Addtion Product weight
Fujisaki
Code
Product weight:23mg 8
ID No.
File No.
S 66 1385
MITSUMI ELECTRIC CO., LTD.
10
S-0115
( 2 / 10 )
4. ELECTRICAL CHARACTERISTICS
Test conditions
Items
Criteria
4-1 Contact
Applying a below static load to the center of the stem, measurement Refer to the attached drawing.
Resistance
shall be made.
(1)Depression
:1.5 to 2 times the operating force of the standard center value
(2)Measuring method
:To be measured with A.C. 1kHz +/- 200Hz
(MAX. 20mV, 50mA)
4-2 Insulation
Resistance
Measurements shall be made following the test set force below:
(1)Test voltage
:100 V DC for 1min.
(2)Applied position
:Between all terminals,between terminal and cover.
10 M ohm min.
4-3 Withstanding Measurements shall be made following the test set force below
Voltage
(1)Test voltage
:100V AC (50/60Hz) for 1min.
(2)Leak current
:2mA
(3)Applied position
:Between all terminals,between terminal and cover.
There shall be no damage and
breakdown.
4-4 Bouncing
ON bounce :10ms. Max.
OFF bounce:10ms. Max.
Lightly striking the center of the knob at a rate
encountered in normal use (3 to 4 operations per sec.),
bounce shall be tested at "ON" and "OFF".
9
SW
DC5V
"ON"
5kΩ
Oscilloscope
"OFF"
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MITSUMI ELECTRIC CO., LTD.
1385
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5. MECHANICAL CHARACTERISTICS
Test conditions
Items
5-1 Operating
Placing the switch such that the direction of switch operation
Force
is vertical and then gradually increasing the load applied to
the center of the stem, the maximum load required for the switch
to come to a stop shall be measured.
The measurement shall be made just after 10 times pushing.
Criteria
Refer to the attached drawing.
5-2 Return Force
The sample switch is installed such that the direction of switch operation
is vertical and, upon depression of the stem in its center the whole travel
distance, the force of the stem to return to its free position shall be
measured.
The measurement shall be made just after 10 times pushing.
Refer to the attached drawing.
5-3 Travel
Placing the switch such that the direction of switch operation is vertical
and then applying a static load to the center of the stem, the travel
distance for the switch to come to a stop shall be measured.
The measurement shall be made just after 10 times pushing.
Refer to the attached drawing.
5-4 Stopper
Strength
Placing the switch such that the direction of switch operation
is vertical and then a below static load shall be applied in the direction
of stem operation.
1) Depression: 30 N
2) Time: 15s
3) Push stick shape: As shown below.
0.05mm
There shall be no sign of damage
mechanically and electrically.
2.5mm
1mm
Measurements shall be made following the test set forth below.
1) Acceleration: 735m/s2
2) Acting time: 6 msec
3) Test direction: 6 directions
4) Cycles of test: 3 cycles per direction (18 cycles in total)
There shall be no sign of damage
mechanically and electrically.
5-6 Vibration
Resistance
Measurements shall be made following the test set forth below.
1) Range of oscillation: 10 to 55 Hz
2) Amplitude, pk-to-pk: 1.5 mm
3) Cycle of sweep: 10-55-10 Hz in approx. 1minute
4) Mode of sweep: Logarithmically sweep or uniform sweep
5) Direction of oscillation: Three mutually perpendicular directions,
including the direction of stem travel
6) Duration of testing: 2 hours each, for a total of 6 hours
There shall be no sign of damage
mechanically and electrically.
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5-5 Impact Proof
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Items
5-7 Solderability
Test conditions
Measurements shall be made following the test set force below:
1) Soldering temperature: 230 +/- 5 degrees C
2) Soldering time : 3 +/- 0.5 seconds
3) Solder : Sn-3.0Ag-0.5Cu
4) Soldering flux : Rosin 25%, Alcohol 75%
5-8 Soldering heat 1) Hand soldering
1-1) Temperature of soldering iron tip: 350 +/- 5 degrees C
Resistance
1-2) Soldering time: 3 +1/-0 seconds
1-3) The soldering iron should be applied to the terminals.
1-4) Excessive load should not be applied.
1-5) Power of the soldering iron should not exceed 15 W.
2) Reflow soldering
2-1) Heating method: Far-infrared heating
2-2) Temperature-time profile (Maximum value): As shown below.
2-3) Allowable soldering time: 2 times
Criteria
More than 75% of the
dipped part shall be covered
with solder.
There shall be no damage
on appearance.
Electrical performance in
Section 4 shall be assured.
Operating force (Item 5-1)
shall be assured.
Temp
[oC]
Max 5sec
250
230
180
150
90+/- 30sec
0
30±10sec
Profile of Reflow Soldering (Max) Time [sec]
The condition mentioned above is a temperature on the PWB surface
on which parts are mounted. There are cases where board's temperature
greatly differs from switch's surface temperature, depending on board's
material, size, thickness, etc. Please care, therefore, should be used
not to allow switch's surface temperature to exceed 250℃.
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The above temperature profile is the conditions for heat resistance test.
Therefore, conditions of soldering shall be confirmed under actual
production conditions.
5-9 Other precautions for soldering
1) Do not overheat when you solder with soldering iron.
2) Following the soldering process, do no try to clean the switch with a solvent or the like.
3) Safeguard the switch assembly against flux penetration from its top side.
4) As the conditions vary somehow on the kind of reflow soldering equipment, please make sure you have the right one before use.
5) As the click ratio may deteriorate when a high heat load is applied, reflow soldering should be performed in the shortest period and
at the lowest temperature possible.
6) Please use the proper amount of solder in order to prevent the flux penetration into the switch.
7) Switch terminals and PWB upper face shall be free from flux prior to soldering.
8) Note that if the load is applied to the terminals during soldering it might cause deformation and defects in electrical performance.
File No.
MITSUMI ELECTRIC CO., LTD.
1385
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6. ENDURANCE
Test conditions
Items
6-1 Operating life Measurements shall be made following the test set forth below :
(1) DC12V 50mA resistive load.
(2) Rate of operation: 2 operations per second.
(3)Depression:
:The maximum load of a specification of the operating force.
(4) Cycles of operation: 100,000 cycles
(5)Pusher
:Material SUS, φ4.0 Tip: flat shape
7. ENVIRONMENTAL
Test conditions
Items
7-1 Moisture
After testing at +60+/-3 ℃and 90 to 96% in relative humidity for
Resistance
96 +/-5 hours, the sample is allowed to stand under normal
temperature and humidity conditions within an hour, then,
measurement shall be made within an hour.
*Water drops shall be removed.
7-2 Heat Resistance After testing at +85+/-3 ℃ for 96 +/-5 hours, the sample is
allowed to stand under normal temperature and humidity
conditions within an hour, then, measurement shall be
made within an hour.
7-3 Resistance to
Low Temperature
7-4 Temperature
Cycling
Criteria
Contact resistance:1ohm max.
Insulation resistance:10M-ohm min.
Bounce: ON bounce 20 msec max.
OFF bounce 20 msec max.
Withstanding voltage: Item 4-3
Operating force: -30 to +30% of
initial force
Travel: Item 5-3
Criteria
Contact resistance: 1ohm max.
Insulation resistance: 10M-ohm min.
Bounce: ON bounce 20 msec max.
OFF bounce 20 msec max.
Withstanding voltage: Item 4-3
Operating force: -30 to +30% of
initial force
Travel: Item 5-3
After testing at -40+/-3 ℃ for 96 +/-5 hours, the sample is
allowed to stand under normal temperature and humidity
conditions within an hour, then, measurement shall be
made within an hour.
*Water drops shall be removed.
Following continuous five cycles of the temperature cycling test
set forth below:
85+/-2oC
-40+/-3oC
120min
120min
10 to 15min
1cycle
10 to 15min
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8. USE CONDITIONS
8-1 Operating temperature range: -40 to +60oC. No freeze and condensation.
(Temperature range which the switch is electrically ON and OFF. )
8-2 Using Environment
1) Do not expose the switch to corrosive gas such as sulfur gas, and salty wind.
2) Visible dust must be cleared.
3) As the switch may deform and change its quality, please do not apply excessive force to the switch.
9
9. STORAGE CONDITIONS
9-1 Storage temperature: -25 to 85oC. Storage Relative humidity: 10 to 75%. No freeze and condensation. △6
9-2 Using Environment
1) Do not expose the switch to corrosive gas such as sulfur gas, and salty wind.
2) Visible dust must be cleared.
3) As the switch may deform and change its quality, please do not apply excessive force to the switch.
9-3 Storage Method
1) Store the switches in the following condition: Seal up with plastic bags in a taping state, △6
2) Do not stack too many switches for strafe. Shall be free from high temperature and high humidity.
3) The operating part of the switch should be free position in storage.
9-4 Retention period: 1 year △6
10. PRECAUTIONS IN USE
10-1 Do not clean the switch with a solvent or the like.
10-2 Never use the product beyond the rated current and voltage.
10-3 Do not apply excessive load to the terminals and the operating part.
10-4 Larger stress than specified and/or shock shall not be applied to the operating part.
10-5 The stress shall be not applied to the upper face of the switch.
10-6 The switch will be broken, if you give larger stress than specified while operating. Take most care not to give both
upward and downward stress to the switch when you operate it.
10-7
10 7 As
A the
h switch
i h may be
b broken,
b k please
l
ddo no apply
l a load
l d off more than
h 5N to the
h switch
i h bbosses.
10-8 After mounting the switches on PWBs, please do not stack too many PWBs in order to avoid excessive load
to the switch mounted area.
10-9 The dimensions of a pattern for mounting a printed circuit board shall refer to the recommended dimensions
in the outline drawing.
10-10 Use of organic acid flux shall be avoided because it may cause corrosion of the switch. Please make sure
the type of flux before you use it.
10-11 As this switch is designed for reflow soldering, if you place it at the edge of PWB for convenience, then flux may
get into the sliding part of the switch during automatic dip soldering after being mounted, so do not apply auto dip
after being mounted.
10-12 If the switch is given stress from the side, the cover may drop off and it may result in damages to switch functions.
Therefore, please handle it with extreme care.
10-13 The operating part should be moved to the appointed position in order to ensure proper operation.
10-14 Do not give stress to the upper face of the switch while operating and use the switch under given stress.
10-15 If you use this product in one of the following environmental conditions, progress of sulfaration and oxidization
on the contact part (silver) will be accelerated, which may cause contact failure. Therefore, be careful about the
operation environment.
1) Around a sulfarate hot spring where sulfide gas is generated.
2) In case this product is always used in a place where exhaust gas from automobiles exist.
10-16 If you push the edge of the operating part, the switch might not operate properly. Therefore, pressure to the operating
part shall be applied to the whole surface equally and avoid the pressured to the specific one portion.
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Figure-4
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10-17 Unless provided for otherwise, the products have been designed and manufactured
for application in equipment and devices which are sold to end users in the market,
including audio-visual (AV) equipment, electrical home appliances, office machines,
9
information and communication equipment, and amusement equipment.
The products are not intended for use in, and must not be used for, any application
for nuclear equipment, driving equipment for aerospace or any other unauthorized use.
With the exception of the abovementioned prohibited applications, please contact
our sales representative and/or evaluate the total system regarding applicability for
applications involving high levels of safety and liability such as medical equipment,
burglar alarm equipment, disaster prevention equipment and undersea equipment.
Please also incorporate fail-safe design, protection and redundant circuitry,
malfunction protection, and/or fire protection into the complete system to ensure safety
and reliability of the total system.
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MITSUMI ELECTRIC CO.,
CO LTD.
LTD
1385
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11. MANUFACTURING LOCATION
<Sales Section>
MITSUMI ELECTRIC CO.,LTD.
2-11-2 Tsurumaki, Tama-shi, Tokyo, Japan
<Management Section>
MITSUMI ELECTRIC CO.,LTD., Kyushu Business Division
1049 Tateiwa, Iizuka-shi, Fukuoka, Japan
<Manufacturing Section>
QINGDAO MITSUMI ELECTRIC CO.,LTD.
No.3 Industrial Area, Chang Jiang Road Qingdao Economic & Technical Development Zone,
Qingdao, The people's Republic of China
QINGDAO MITSUMI ELECTRONICS CO.,LTD. △7
No.2, Dayangzhou Road, Qingdao West Coast Export Processing Zone, Qingdao city,
Shandong Province, People's Republic of China △7
12. TAPE PACKING SPECIFICATION
12-1 Carrier tape dimensions are shown below.
12-2 Taping Procedure
1) Tape winding direction is in clockwise. (When pulling the tape toward, feeding holes should be located on the right side.)
2) Feeding holes shall not be covered with the cover tape. The cover tape shall not be run off the edge of the carrier tape.
3) 100 to 190 mm from the end of tiller tape part shall be empty and 100 to 140 mm from the end of leader tape part
shall be empty. Leader part consists of the part which unstuck with cover-tape (20 to 30 mm) and the cover tape shall be
extended 150 to 200 mm.
4) After reeling, stick the leader part of cover tape to the side of the reel with adhesive tape (30 to 50 mm)
5) Peeling strength of cover-tape from carrier-tape is 0.1to 1.3N at 165 to 180deg. angle in reverse.
6) Switch shall be packed in single direction.
7) 5000 switches shall be pack in a reel.
8) The label which indicates our model number, part number, contained quantity and inspection number
shall be stuck on the side of the reel
reel.
9) The switch shall drop by itself when it is pushed with a force of 0.1 to 0.2 from the back after peeling the cover tape.
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13. Packing Specification
1) Inner Package
Reel
Expansion
QR Code Label △10
The material of a reel : PS
Mitsumi Label
5 reels at maximum
shall be packed in a inner bag.
PE Bag
2) Outer package
Outer Box
Bar Code Label
170
5 reels at maximum
shall be packed in a outer package.
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400
400
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3) Label
Mitsumi Label
PARTNO
User Parts No.
************
MODEL
Mitsumi Model Name
Mitsumi Part No.
SOU-******
SPEC.R-
G:RoHS Compliant Products
Quantity
The Country of Origin
R66 **** [G]
5000 PCS
5000PCS CHINA
M
IT
S
U
M
IE
L
E
C
T
R
IC
C
O
.,L
T
D
.
User Part No.
Mitsumi Part No.
************
R66 ****
QR Code Label △10
Model Name
R No. - Revision - Quantity - Lot No.
a) .
QR Code Label description:
R663992
R No.
Lot No. description
7
O
04
Revision
E
010000
- 11 -
A
-
Quantity
01
1
7O04EA011-01
Lot No.
-
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a) Example:
01
Production reel No.:1st~9th reel:01~09
10th reel~ :10~
Running time :
2shifts:
1 : 8:00~17:00、2 : 20:00~5:00
3shifts:
1 : 6:00~15:00、2 : 15:00~22:30、
3 : 22:30~6:00
Production line(Equipments) :
1st~9th line:01~09, 10th line~:10~
Production group(operators) :
A~C, L~N △7
Production site :
Chine (C:CQM, E:CQE) △7
Production date : 01~31
Production month :Jun~Sep:1~9
Oct:O, Nov:N, Dec:D
Production year :The last digit of the
year
File No.
1385
MITSUMI ELECTRIC CO
CO., LTD
LTD.