Views: 0 Author: Site Editor Publish Time: 2021-12-15 Origin: Site
The tinned copper wire refers to a layer of tin plated on the surface of the wire conductor to improve the wire behavior of the wire performance. Tin forms a tin oxide film in air to prevent further oxidation, tin and halogen can also form a similar effect. Therefore, there is only good corrosion resistance, and there is a certain strength and hardness, the moldability is good and easily welded, and the tin layer is non-toxic and tasteless, and the iron solubility can be prevented from being encapsulated, and the surface is brighter and the drawing can beautify the product.
The price of brass core wire is relatively high, so it is widely used on the wire harness. However, the baked brass wire is used as a harness, which will affect the normal operation and service life of the harness because brass is easily oxidized by humid air. Plated with a layer of waterproof \"tin jacket \" outside the brass wire, that is, the tinned brass wire, the electrode of tin plating and the yellow copper core can effectively improve the oxidation resistance of the harness, and extend the brass harness in high Life in the salinity environment. The tin layer hardness of the tinned copper wire is low, and the processing performance is better than the bare copper wire, the brass harness terminal and the wire conductor are more sufficient, the contact resistance is small, and the temperature rise of the brass harness terminal crimping site is slow.
At present, tinned copper wire is mainly used for electronic components lead, communication cable, light emitting diode, electric wood skeleton, high and low frequency transformer needle rack, relay foot, miniature motor, computer pin, connector, various guide pins, etc.