source:power adapter Popular:adapter release time:2021-11-24 10:47:04 Article author:sznbone
Because for the current industry market, inferior power adapters account for about 30% of the market. It is a big threat to our factories that make high-quality products, because the unit price of power adapters produced with second-hand originals will be 30% or more cheaper than the unit price of our brand-new materials. As a result of the chaos in the current market, some manufacturers are struggling with prices, and quality has not received much attention. It is a big hidden danger for customers and terminal consumers. 9V power adapter
First, it can enhance the design of the input/output filter circuit, improve the performance of the active power factor compensation (APFC) circuit, reduce the voltage and current change rate of the switch tube, rectifier, and freewheeling diode, and use various soft switching circuit topologies. Structure and control method, etc.; on the other hand, strengthen the shielding effect of the case, improve the leakage of the gap of the case, and conduct a good grounding treatment.
The difference between desktop and wall-mounted power adapters? In fact, it can be simply explained. The wall-mounted power adapter is the power adapter that the main body can be directly plugged into the plug-in board. The desktop power adapter is the power adapter that the body needs to be placed on the desktop. The difference between the desktop power adapter and the wall-mounted power adapter is that the desktop power adapter requires an AC cord to be connected to the mains. 9V power adapter
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. Generally, 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 of the same level is 30 yuan better than the cheap product of only 15 yuan.
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