The basic structure of the slide switch, the basic principle of the slide switch, ask Kosda about more slide switches
The basic knowledge of the slide switch, the basic description of the slide switch, the basic structure of the slide switch, the basic principle of the slide switch, and more about the slide switch.
Rated power: DC50V 0.3A
Operating temperature range: -20 °C ~ 60 °C
Toggle switch performance in all aspects:
1. Electrical performance specifications 1. Contact resistance test:
Tested under a small current (100 mA).
Requirements: Must be below 30 milliohms.
2. Insulation resistance test:
Enter 500V DC for 1 minute and test by the following contact method:
(1) Between the contact terminals.
(2) Between the plastic body and the foot.
Requirements: Must reach more than 100 megohms.
3. Withstand voltage test:
Input AC 500V (50-60Hz) voltage, 1 minute sensitivity current is 0. 5mA, test by the following contact method:
(1) between the legs and between the feet (2) between the legs and the shell: no insulation damage and other anomalies.
2. Mechanical performance specifications 1. The operating force is conventional: 250+_50gf
2. The strength of the terminal is added to the tip of any direction (500gf) for 1 minute.
There are no cracks, swaying, etc. in the row of feet.
Requirements: Satisfied with mechanical and electrical properties.
3. Test standard status Test temperature, humidity, and air pressure without specifying:
(1) Temperature is 5 ° C ~ 35 ° C
(2) Humidity is 45%~85%
(3) Air pressure is 80Kpa~106Kpa
3. Durability 1. Solderability test The top of the terminal is immersed in a solder bath with a depth of 1 mm, a temperature of 230 ± 5 ° C, and a time of 3 ± 0.5 seconds.
note:
(1) The welding time should be less than 3 seconds (2) The welding area should be more than 80%.
2. Solderability test The temperature of the welding furnace is controlled at 260±5°C, the furnace time is 3±0.5 seconds, and the thickness of the substrate is 1.0mm.
When the hand is welded, the temperature should be controlled at 320±5°C for 3±0.5 seconds.
Requirements: must meet the body without deformation, satisfied with mechanical and electrical energy.
3. Life test no load: The operator performs a 100,000-fold no-load test at a frequency of 60 times per minute.
Claim:
(1) Contact resistance cannot exceed 200mΩ
(2) Other, satisfied with mechanical and electrical properties.
4. The heat resistance test was placed at a temperature of 85 ± 2 ° C for 96 hours, and then placed at normal room temperature for 1 hour to determine.
Requirements: no abnormal appearance, satisfied with mechanical and electrical performance.
5. The cold test was placed at 40 ± 2 °C. The relative humidity is 90~96% after 96 hours in the environment.
The samples were placed in a normal environment for 1 hour and tested.
Requirements: no abnormal appearance, satisfied with mechanical and electrical properties.
6. The humidity test is placed at 40 ± 2 °C. The relative humidity is 90~96% after 96 hours in the environment.
The samples were placed in a normal environment for 1 hour and tested.
Requirements: no abnormal appearance, satisfied with mechanical and electrical properties.
Toggle switch components and various components processing process toggle switch is mainly assembled by the following components through the corresponding process:
1. Iron shell (material: generally iron; treatment process: by electroplating nickel or blackening process to prevent oxidation)
2. Plastic handle (material: generally POM material, if there is fire retardant and high temperature resistance requirements, then PA nylon material processing technology is often used: injection molding)
3. Terminal (material: generally phosphor bronze; treatment process: electroplating silver)
4. Insulation bottom plate (material: electric wood board; processing technology: stamping)
5. Contact chip (material: generally phosphor bronze; treatment process: electroplating silver)
6. Round wave beads (material: generally stainless steel; treatment process: electroplated nickel)
7. Slingshot (Material: Bronze; Process: Stamping)
8. Decorative oil (Material: a kind of red oil or green oil chemical oil, applied to the contact part of the terminal and the bottom plate, plays a decorative role. Generally required non-toxic, environmentally friendly)
Toggle switch application range 1. Audio and video products: MP3, MP4 audio;
2. Digital products: digital cameras, digital video cameras, etc.;
3. Communication products: mobile phones, car phones, telephones, building equipment, PDAs, etc.;
4. Security products: video intercom, monitor, etc.;
5. Toys: electronic toys, etc.;
6. Computer products: camera, etc.;
7. Fitness equipment: electronic body fat scales, treadmills, etc.;
8. Medical equipment: sphygmomanometer, thermometer, hospital call system, etc.
Kesta Switch Factory