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(236)Resistors are picked based on their nominal resistance and rated power (in Watts) of a given component. Oftentimes, maximum power is the most important parameter, as the resistor transforms it into heat, and numerous applications require the possibility to pass high current in such a way that no electronic components are damaged. This is the reason for introducing resistors (usually wire-wound) that are capable of operating with currents of up to 1,000W. The higher the power, the larger the component (up to dozens of centimeters). Its structure changes as well. Temperature-resistant enclosures are made of ceramics with cement filling, or of metal with an additional heatsink. High power resistors are used in variable speed drives, thermostats of industrial enclosures, motor braking energy absorbers, or advanced control and measurement apparatus.
High power resistors in TME's offer
In its offer TME electronic wholesaler has a wide range of high power resistors. The components in this category range from 1W to 1,000W. Resistance and maximum operating voltage are also defined for each item. Details include technical documentation with temperature increase diagrams depending on the power, and with body dimensions. TME distributes products for various mounting – the catalogue includes components screwed, for SMD, or THT mounting (hole spacing can be checked in data sheets). The online store provides manufacturing components from companies like SR Passives, TE Connectivity, or Arcol.
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