Technical parameters
2.1 General
2.1 General
2.1 General
The application of this specification is for the use of TACT Switch in electronic equipment. The TACT Switch is specifically designed for electronic devices and is to be implemented according to this specification.
2.1.2 Operating temperature range -25℃ ～ +85℃
-40℃+85℃。，。
2.1.4 test conditions refer to the different scenarios under which a system, program, or device is tested to evaluate its performance, reliability, and functionality. These conditions are designed to assess the system's behavior and identify any potential issues or limitations.
During the testing process, various test conditions are implemented to cover a wide range of scenarios. This includes both normal and abnormal conditions to verify the system's stability and robustness. Furthermore, test conditions may involve different inputs, configurations, and environmental factors to simulate real-world usage and ensure that the system functions as expected in various situations.
By carefully selecting and executing test conditions, developers and testers can gain valuable insights into a system's capabilities and uncover any defects or weaknesses. This allows them to address these issues and improve the overall quality of the system.
In summary, test conditions are an essential aspect of the testing process, as they enable thorough evaluation and validation of a system's performance and functionality. By conducting tests under different conditions, developers can ensure that their system is reliable, efficient, and capable of handling a variety of scenarios.
Ambient temperature 5~35℃
Relative humidity 45~85%
Air pressure 86~106kPa (860~1060 mbar)
In case any uncertainties arise from the verdict, it is essential to carry out tests under specific circumstances.
Ambient temperature： 20±2℃
Relative humidity 60~70%
Air pressure 86~106kPa (860~1060 mbar)
2.2 Appearance construction and dimensions
Appearance switch should have a flawless finish, with no signs of rust, cracks, or plating issues.
When it comes to the construction and dimensions of our products, we always refer to the individual product drawing for accuracy. Our team pays close attention to the specifications outlined in the drawing to ensure that the final product meets our clients' requirements. We take pride in our attention to detail, as even the slightest deviation from the dimensions could impact the function or performance of the product. Therefore, we utilize the product drawing as our guide to ensure that all components are assembled precisely as required. So, whether it's a small or large project, we always prioritize adherence to our product drawing to ensure that our clients' expectations are met.
2.3. ELECTRICAL SPECIFICATION
NO. | Items | Test conditions | Requirements |
2.3.1 | Contact | Shall be measured at 1A 5VDC by operations without load. Applied position: Between terminal and terminal | 100mΩ MAX |
2.3.2 | Insulation | Test voltage:250VDC, measured after 1 min ±5s Applied position: 1)Between terminal and terminal 2)Between terminal and ground | 100MΩ MIN |
2.3.3 | Dielectric | 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 (3 to 4 times per second), and bounce
| 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 and humidity conditions for 1 h. Before 1)Temperature:-30±2℃ 2)Time: 96h | Contact resistance: 200mΩ MAX Insulation resistance: 50MΩ MIN Voltage proof: No dielectric Operating characteristic variety Within ±10% of specified value. |
2.4.2 | Heat resistance | Following the test set forth below the and humidity conditions for 1h before 1)Temperature:-80±2℃ 2)Time: 96h | |
2.4.3 | Moisture | Following the test set forth below the and humidity conditions for 1h before 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 normal temperature and humidity conditions made. During the test waterdrops shall be removed.  | |
2.4.5 | Sulfuration resistance | Following the test set forth below the and humidity conditions for 1h before 1)H2S gas concentrations: 3ppm±1ppm; 2)Time:8h;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: 8±1 hour After test, salt deposit shall be removed by running water. | No remarkable corrosion shall be recognized in metal part. |
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 should cover a |
2.5.2 | Resistance | The switch will be inspect under such conditions below 
| There shall be mechanically |
2.6. DURABILITY
| Operation life | Measurement shall be made following the test set forth below: DC 12V, 50 mA resistance load; Rate of operation:40-60 times/min; Operating Force：320～350gf; 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 | 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. | 260±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 | 0.25±0.1mm |
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. | 60gf.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 mechanically |
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 |
3.DRAWING & DIMENSION:
4.Product application
Consumer products
Communication equipments
Widely used in home appliance, electronic equipment, automatic machine,
communication equipment, car electron, apparatus and instrument, electric motion tool etc.
5.Remarks
PARTS LIST:
NO. | NO. | NAME | MATERIAL |
1 | 1 | Terminal | Brass plated with silver |
2 | 1 | Case | PPA/ black |
3 | 1 | Spring plate | SUS plated with silver |
4 | 1 | Film | Silica gel/black |
5 | 1 | Cover | PPA/ black |
6 | 1 | Stem | PPA/ black |
Returned plastic should not exceed 20%.
6.Delivery,shipping and service
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