TS37A-0035B-G SMT tact switch used for earphone, 3.7X3.7mm, height is 0.35mm, on-off switch, DIP through hole SPST momentary tact switch
Series:TS37A
2. DETAIL SPECIFICATIONS:
Type: TS37A-0035B-G
Operation method:Tact Action
Configuration: Instrument with feeling feedback
Terminal form: PCB type SMT type（□BRAID □NO BRAID）
Mounting: Soldering
Protection: Comply with ■IP40 □IP65 □IP67 □IP68
- Applications
- Technical parameters
- Remarks
-
1.Audio Products:MP3,MP4,DVD. Audio;
2.Digital Products: digital camera, digital video and so on;
3.Remote Control: the remote control of automobile domestic security products;
4.Communication Products: mobile phone, vehicle-mounted phone, telephone set, building equipment, PDA and so on;
5.Homehole appliances: TV set, microwave oven, electric rice cooker, electric fans ，refrigerator，washer;air-conditioning and so on;
6.Security Products: visual interphone, monitor and so on;
7.Toys: electric toys and so on;
8.Computer Products: PC camera and so on;
9.Exercises Machines: treadmills, massage armchair and so on;
10.Medical Device: sphygmomanometer, thermometer, hospital call system and so on;
11.Others: laser pen ，Pointer，Wireless mouse remote control pen，Laser projection pen，page turner，electronic pen；MousePen；overhead projector and so on;
12.Operating switches in all types of electronic equipment such as audio devices, office devices, communication devices, measuring instruments, TVs, video recorders，automotive sets, etc.
13.Household appliances, electric force, telecommunications, machine tool, vessel, textile, printing, Mining machine, Music Instrument, etc.
2.1 General
2.1.1 Application This specification is applied to TACT Switch used for electronic equipment.
2.1.2 Operating temperature range -30℃ ～ +85℃
2.1.3 Storage temperature -40℃ ～ +90℃
2.1.4 Test conditions
Ambient temperature 5~35℃
Relative humidity 45~85%
Air pressure 86~106kPa (860~1060 mbar)
If any doubt arise from the judgment, tests shall be conducted at the following conditions.
Ambient temperature： 20±2℃
Relative humidity 60~70%
Air pressure 86~106kPa (860~1060 mbar)
2.2 Appearance construction and dimensions
2.2.1 Appearance Switch shall have good finishing, and no rust crack or plating failures.
2.2.2 Construction and dimensions Refer to individual product drawing.2.3. ELECTRICAL SPECIFICATION
NO.
Items
Test conditions
Requirements
2.3.1
Contact resistance
Shall be measured at 50mA 12VDC
by voltage drop method after some
operations without load.
Applied position: Between
terminal and terminal
100mΩ MAX
2.3.2
Insulation resistance
Test voltage:100VDC,
measured after 1 min ±5s
Applied position: 1)Between
terminal and terminal
2)Between terminal and ground
100MΩ MIN
2.3.3
Dielectric voltage proof
Following test voltages shall
be applied for 1 min.
(Cut-off current:0.5mA)
1)Between terminal and
terminal :250VAC (50~60Hz)
No dielectric
breakdown
shall occur.
2.3.4
Contact bounce
Lightly striking the center of
the stem at a rate encountered
in normal use
(3 to 4 times per second), and
bounce shall be tested at
“ON” and “OFF”
ON-10msec.max
OFF-10msec.max
2.4. ENVIRONMENT RESISTANCE:
NO.
Items
Test conditions
Requirements
2.4.1
Resistance to
low temperature
Following the test set forth below the
sample shall be left in normal temperature
and humidity conditions for 1 h. Before
measurements are made:
1)Temperature:-30±2℃
2)Time: 96h
Contact
resistance:
200mΩ
MAX
Insulation
resistance:
50MΩ MIN
Voltage
proof:
No dielectric
breakdown
shall occur.
Operating
characteristic
variety
Within ±10%
of specified
value .
No remarkable
corrosion
shall be
recognized
in metal part.
2.4.2
Heat resistance
Following the test set forth below the
sample shall be left in normal temperature
and humidity conditions for 1h before
measurements are made:
1)Temperature:-85±2℃
2)Time: 96h
2.4.3
Moisture resistance
Following the test set forth below the
sample shall be left in normal temperature
and humidity conditions for 1h before
measurements are made:
1)Temperature: 60±2℃
2)Relative humidity: 90 to 95%
3)Time:96h
2.4.4
Change of
temperature
After 5 cycles of following conditions,
the sample shall be allowed to stand under
normal temperature and humidity conditions
for 1h and measurements shall be
made. During the test waterdrops
shall be removed.
Temperature/℃
Time/hour
1 cycle
-30±2
2
-30~85
1
85±2
2
85~-30
1
2.4.5
Sulfuration
resistance
Following the test set forth below the sample
shall be left in normal temperature
and humidity conditions for 1h before
measurements are made:
1)H2S gas concentrations: 3ppm±1ppm
2)Time:72h
3)Temperature: 40±2℃(90~95%RH)
2.4.6
Salt mist
The switch shall be checked after following test:
1)Temperature: 35℃±2℃
2)Salt solution : 5±1%(solids by mass)
3)Time: 24±1 hour
After test, salt deposit shall be
removed by running water.
2.5. WELDING PERFORMANCE
2.5.1
Solderability
Switch test under such conditions and
inspect after.
1）Variable temperature range:245±5℃
2）Dip time:2±0.5s
Except for the edge,
the coating
should cover a
minimum 90%
2.5.2
Resistance heat soldering
The switch will be inspect under such
conditions below
Trial measure
Temperature(℃)
Time(s)
Slot welding
method
260±5
30±10
Soldering method
350±5
3±0.5
There shall be no
sign of damage
mechanically and
electrically.
2.6. DURABILITY
2.6.1
Operation life
Measurement shall be made following the test
set forth below: DC 12V, 50 mA resistance
load, Rate of operation: 60 times/min.; Operating
Force：1.5 times; Average fault-free
life: 100,000 cycles
Contact
resistance:
≤200mΩ
Contact
bounce:
≤10ms
Operating
Force:
initial
value±30%
2.6.2
Vibration
Measurement shall be made following the
test set forth below:
1) Vibration frequency range: 10Hz
to 55Hz to 10Hz;
2) Amplitude: 1.5mm;
3) Direction of vibration: three mutually
perpendicular direction
including the direction
of stem travel
4) Duration: Each 2hours.
2.6.3
Operation Force
The switch is placed perpendicular to
the direction of the operation,
gradually force in
key top center of switch, measure
maximum intensity when it
conducted required.
160±50gf
2.6.4
Over Travel
Switch at the vertical operating
orientation placement, with a
force equal to 2 times
according to the static load
applied on the switch button
the top center, measure
the top moving distance
0.15±0.10mm
2.6.5
Return force
The sample switch is installed
such that the direction of switch
operation is vertical
and upon depressing the stem in
its center to the whole travel
distance, the force
of the stem to return to its free
position shall be measured.
50gf.min.
2.6.6
Stop strength
Placing the switch such that the
direction of switch operation is
vertical, and then a
static load of 30N shall be
applied in the direction of
stem operation for a
period of 1 min.
There shall be
no sign of
damage
mechanically
and electrically.
2.6.7
Stem strength
Placing the switch such that the
direction of switch operation is
vertical, and then the
maximum force to withstand a
pull applied opposite to the
direction of stem operation
shall be measured.
20N.min.
3.DRAWING & DIMENSION:
PARTS LIST:
NO.
NO.
NAME
MATERIAL
1
1
CONTACT
STAINLESS STEEL AG Clad
2
1
TERMINAL
Phosphor bronze Ag plating
3
1
FILM
PI Yellow
4
1
CASE
NETHERLANDS Black
Returned plastic should not exceed 20%.
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