A wire wound resistor is a resistor where a wire with a high resistivity is wrapped around an insulating core to provide the resistance. It is an electrical passive component that limits current.
As a passive electronic component, the prices of resistors rise sharply from Jan,2018. Factories explain it due to the cost rise in raw materials, ceramic wafers, manpower, environment protection and exchange rates. Why does supply fall short of demand for precision resistors? What result in the huge demand of resistors?
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Resistors ,the same as other passives get little attention all the time, as they are a common component rather than strategic ones. While in about past half an year, the increasing amount of electronics in cars has produced a "supply imbalance" of SMT resistors, as least in North America.