The difference between original and refurbished switching power supply chips
Switching power supply chip as an indispensable part of electronic products, in the electronic equipment system to take up the transformation of electrical energy, distribution, detection and other power management responsibilities of the chip, is mainly responsible for identifying the amplitude of the CPU power supply, generate the corresponding short moment wave, promote the power output of the back stage circuit, in the sale of integrated circuit chips, we will always come across some customers to ask us about switching power supply chip original, bulk new and refurbished difference. Chip original, bulk new and refurbished difference between
1, original goods: refers to the original factory production out, divided into imported original and domestic original.
2, bulk new goods: bulk new this word, mainly used in the switching power supply chip, meaning the following.
1), not the original factory out may be produced by other manufacturers, but playing the original brand, that is, labelling fake goods, the supplier called bulk new, or original goods to blind people.
2), is the original factory production, because it is some substandard material caused by the product does not meet the standard, but the function is still available, this time the original factory will reduce the price, through other channels to deal with, and then by the seller of low-priced into the bulk of the new.
3), the original factory production, used, after grinding, tin plating, the foot rubbing cool a series of processing, the appearance looks good, take out for sale, also called loose new, but in fact is refurbished.
4), the old goods dismantling parts: the original factory production, has been used, removed from the circuit board. There is no corner of the wash processing.
5), refurbished goods: refers to products produced from the original factory, after use, there is a certain amount of wear and tear, the performance of all aspects of the original factory with the original just out of the time there is a gap between the special processing, is the appearance or performance of its recovery to close to the original factory just out of the state.
According to the above description probably already know what is refurbished and bulk, so in the purchase of integrated circuit chips not only to pay attention to these details, but also to
Find regular switching power supply chip suppliers.
