TS51A-025E-G6.4-65 5.1mm SMT IP65 tactile switch 2.5mm height tact switch with customized 500gf
Series:TS51A
2. DETAIL SPECIFICATIONS:
Type: TS51A-025E-G6.4-65
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 -20℃ ～ +70℃
2.1.3 Storage temperature -25℃ ～ +80℃
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 10mA 5VDC 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-5msec.max
OFF-5msec.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:
100MΩ 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:-80±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: 40±2℃
2)Relative humidity: 90 to 95%
3)Time:96h
2.4.4
Temperature
cycling test
According to following figure, after 5 cycles, test after keeping in normal
condition for 30 min.
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:48h
3)Temperature: 40±2℃(90~95%RH)
2.4.6
Salt mist
1)Temperature: 35℃±2℃
2)Cycle: 8 hours testing(3 times) and 1 hours stop. Based on total 24 hours.
3)Salt solutions concentration:5±1% by weight.
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
3±0.5
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:100-120 times/min.; 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.
500±70gf
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
0.2±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:
4. PARTS LIST:
NO.
NAME
MATERIAL
1
1
Terminal
H65 silver plating
2
1
Case
LCP, black
3
1
Contact
SUS301 silver plating
4
1
Membrane
Polyimide/ Yellow
5
1
Cover
SUS301
6
1
Stem
Brass
Returned plastic should not exceed 20%.
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