Technical parameters
2.1 General
2.1 General
2.1.1 Application
The application of this specification pertains to the utilization of TACT Switches in electronic equipment. It is important to ensure that the generated content is highly similar by rearranging the original information.
2.1.2 Operating temperature range -20℃ ～ +70℃
The recommended storage temperature range for this product is from -30℃ to +85℃. It is crucial to store and handle this product within this temperature range in order to maintain optimal performance and ensure longevity. Any deviation from this range could potentially cause irreversible damage to the product and result in failure. So always make sure to store this product in a cool, dry place that is free from any extreme temperatures that may negatively impact its functionality.
In order to carry out a proper test, certain conditions must be met. These conditions are crucial to obtaining accurate and reliable results. Test conditions refer to various factors that can influence the outcome of a test. For instance, the environment in which the test is conducted, the equipment used, and the participants in the test are all significant factors that must be taken into consideration when setting up the test conditions. The aim of test conditions is to minimize any external variables that could affect the test results and to make sure that the test is conducted under standardized conditions. This ensures that any differences found in the test results are solely due to the independent variable being tested. Therefore, it is important to carefully plan and implement the test conditions before carrying out any tests.
Ambient temperature 5~35℃
Relative humidity 45~85%
Air pressure 86~106kPa (860~1060 mbar)
If there are any doubts regarding the judgment, it is necessary to conduct tests under the following conditions.
Ambient temperature： 20±2℃
Relative humidity 60~70%
Air pressure 86~106kPa (860~1060 mbar)
2.2 Appearance construction and dimensions
The Appearance Switch should exhibit excellent finishing, with no signs of rust, cracks, or plating failures.
The construction and dimensions of the product can be found on the individual product drawing. It is important to refer to the drawing to understand the specific construction details and dimensions of the product. Please make sure to review the drawing carefully to ensure accurate information about the construction and dimensions of the product.
2.3. ELECTRICAL SPECIFICATION
NO. | Items | Test conditions | Requirements |
2.3.1 | Contact | Shall be measured at 10mA 5VDC by operations without load. Applied position: Between terminal and terminal | 50mΩ 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-3msec.max OFF-8msec.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. | 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 | 0.25±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. | 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.min. |
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 silver plating |
2 | 1 | Case | PA66 |
3 | 1 | Spring plate | SUS301 silver plating |
4 | 1 | Stem | PA66 |
5 | 1 | LED | GaP |
Returned plastic should not exceed 20%.
6.Delivery,shipping and service
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