Resistors

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Dictionary Meaning and Definition on 'Resistors'

Wikipedia Meaning and Definition on 'Resistors'


A resistor is a two-terminal electronic component having a resistance (R) that produces a voltage (V) across its terminals that is proportional to the electric current (I) flowing through it in accordance with Ohm's law:

Resistors are elements of electrical networks and electronic circuits and are ubiquitous in most electronic equipment. 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).

The primary characteristics of a resistor are the resistance, the tolerance, the maximum working voltage and the power rating. Other characteristics include temperature coefficient, noise, and inductance. Less well-known is critical resistance, the value below which power dissipation limits the maximum permitted current, and above which the limit is applied voltage. Critical resistance is determined by the design, materials and dimensions of the resistor.

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Resistors Sample Sentences in News


  • Vishay Intertechnology Releases New Series of Non-Magnetic, Non-Inductive Axial Lead Wirewound Resistors
    Vishay Intertechnology, Inc. today introduced a new series of non-magnetic, non-inductive axial lead wirewound resistors with high power ratings to 12 W and high-temperature operation to +350 degrees C, ... Read more on this news related to 'Resistors'
  • Vishay Intertechnology's PTN Series Precision Thin Film Chip Resistors Now Offer Power Rating to 2 W in 2512 Case Size
    Vishay Intertechnology, Inc. today announced that it has extended the power rating of PTN series precision surface-mount thin film chip resistors in the 2512 case size to 2 W. Built using a self-passivated, ... Read more on this news related to 'Resistors'
  • Thin Film Chip Resistors offer power ratings to 2 W.
    Offered in 13 case sizes from 0402 to 2512, PTN Series provides resistance values from 10 Ω to 3 MΩ. Surface mount devices are built using self-passivated, moisture-resistant tantalum nitride resistive film technology. Units offer low absolute TCR of ±25 ppm/°C and laser-trimmed tolerances down to ±0.1% over operating temperature of -55 to +125°C. Read more on this news related to 'Resistors'

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