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Common problems in the purchase of magnetic ring inductance

Common problems in the purchase of magnetic ring inductance

2021-12-20

Few manufacturers disclose the prices of raw materials for inductors. Although most of the prices of raw materials for inductors in the sales market are fully transparent, sometimes publishing the original prices will inevitably cause some inconvenience. After all, it is about the profits of inductance manufacturers.


However, as an inductor manufacturer, you can reveal some gossip.


Let's not talk much. In a simple way, let's look at the raw material price of a magnetic ring inductor. First, let's talk about the magnetic core price of a magnetic ring inductor. Based on the analysis of the magnetic core characteristics of a 6 * 8 magnetic ring inductor, the cost of this magnetic core is 7-8 cents a penny in our company, which seems not very high, but compared with other manufacturers, the price is already very high, The lowest price of this magnetic core in the manufacturing industry is about 1-2 cents.


Therefore, some customers will inevitably deal with a situation. The inductance price obtained by the inductance manufacturer is low, and there is no problem with the magnetic ring inductance submitted for inspection, but the more the magnetic ring inductance is used after delivery, the more problems are.


After integrating the magnetic ring price mentioned before, we will discuss the way here. For the inductor goods submitted for inspection, there is no problem. The inductor manufacturer deliberately produces or "produces" goods from elsewhere in order to ensure the trading volume.


Signing a contract with such a manufacturer will not be easy to have problems in the early stage, and then the magnetic ring inductance will continue to have problems. This is because, in order to reduce costs, inductance manufacturers quietly replace the raw materials of inductance production "a little bit". First change the magnetic core of the inductor, and then remove and replace the wire wrapped in the inductor after a period of production.


For such inductance manufacturers, even if customers carry out statistical investigation on the batch number inductance, there will be a situation that all basic inductors meet the standard. The quality of the inductor of the next batch number also changes differently.


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