source:Industry News Popular:adapter release time:2021-11-24 10:40:58 Article author:sznbone
The development of society and the strength of science and technology are in order to facilitate people's life needs. Various types of electronic devices frequently appear in people's lives. The power adapter is the most familiar accessory. However, at the time when equipment is replaced more frequently, many people's homes, especially those of digital madmen, are simply "piling up" of discarded power adapters. This phenomenon has attracted the attention of the International Telecommunication Union (ITU), and related standards will be issued soon, which deserves the attention of the industry. Laptop power adapter
The characteristics of the switching power supply are: high-speed pass and cut-off with a circuit-controlled switch tube. The direct current is converted into high-frequency alternating current and supplied to the transformer for transformation. The wall-mounted Chinese-standard certified power adapter then generates the required set Or multiple sets of voltage! Plug-in type Chinese-standard certified power adapter and it is not very hot during operation!! The cost is very low. If the 50HZ is not changed to high frequency, the switching power supply is meaningless
The external power adapter is more flexible to use. As long as the parameters required by the device can be met, the same adapter can be used. However, in order to ensure the normal operation of the equipment, you must choose a power adapter produced by a regular manufacturer. Laptop power adapter
The power adapter is safe, reliable, efficient, energy-saving and environmentally friendly. It is a power supply conversion device for small portable electronic equipment and electronic appliances.
The materials used in the internal electronic components of the power adapter are roughly divided into three types, the lowest level is used materials or fake materials; the middle level is inferior materials; the highest level is good materials. In general, copycats will use old and fake materials to replenish the number, and no-brand manufacturers will use better inferior materials, and only first-line brands will use the best quality real materials and good materials. Therefore, the average price of the two 36W power adapters at the same level is 30 yuan better than the cheap one at only 15 yuan.
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