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What factors will affect the quality of 4.5mm right-angle tact switch
- Categories:Tact switch
- Author:
- Origin:
- Time of issue:2022-07-11
- Views:762
(Summary description)The material and process of shrapnel and contacts need not only consider their electrical properties, but also take into account their service life.
Wholesale 4.5mm Right Angle Tactile Switch
Wholesale 4.5mm Right Angle Tactile Switch
What factors will affect the quality of 4.5mm right-angle tact switch
(Summary description)The material and process of shrapnel and contacts need not only consider their electrical properties, but also take into account their service life.
- Categories:Tact switch
- Author:
- Origin:
- Time of issue:2022-07-11
- Views:762
For the 4.5mm right-angle tact switch, the material and coating of the shrapnel and contacts are the most critical. The material and process of shrapnel and contacts need not only consider their electrical properties, but also take into account their service life.
In general, in order to reduce the contact resistance between the shrapnel and the contacts, brass or phosphor bronze materials are mostly used, and the electroplating is silver-plated. If you encounter iron pins, silver plating can isolate SO2 gas in the air and keep it away from corrosive elements; but the anti-corrosion time is short. It would be better to use brass or phosphor bronze pins.
Therefore, the thickness of the material and the silver-plated layer and its processing become the keys to determine the overall performance of the pins. In today's market, the thickness of the most high-quality silver plating on the market is above 0.3 microns, which can even open up to three times the gap with the inferior thickness. The silver-plating process also has a wide variety of effects. Some pins are directly silver-plated, while some use a multi-layer electroplating process, which is nickel-plated or pre-copper first.
Finally, the conduction performance of the 4.5mm right-angle tact switch. Because in the physical structure, the tact switch relies on shrapnel and contacts to conduct conduction, so the key to affecting it is the structure of the contact point. Generally speaking, the bigger the contact surface, the better.
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