TS51A-025E-G6.4-65 5.1mm SMT IP65 tactile switch 2.5mm height tact switch with customized 500gf

Series:TS51A

Description:

 

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   

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  • 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. 

1Variable temperature range :245±5℃

2Dip 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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