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抵抗器 A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses. Practical resistors can be made of various compounds and films, as well as resistance wire (wire made of a high-resistivity alloy, such as nickel-chrome). Resistors are also implemented within integrated circuits, particularly analog devices, and can also be integrated into hybrid and printed circuits. The electrical functionality of a resistor is specified by its resistance: common commercial resistors are manufactured over a range of more than nine orders of magnitude. Practical resistors are also specified as having a maximum power rating which must exceed the anticipated power dissipation of that resistor in a particular circuit: this is mainly of concern in power electronics applications. Practical resistors have a series inductance and a small parallel capacitance; these specifications can be important in high-frequency applications. Jotrin as a supplier of electronic parts, selling many types of Resistors. brand Resistors manufacturers including Murata,Vishay. Jotrin offers stock, pricing,datasheets for Resistors. To know more, Please view our selection of Resistors below.
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