Power wirewound resistors

PW and PWR Series of power wirewound resistors features high-temperature ceramic shells in power ratings to 60 W. Resistors are available in axial and radial lead configurations.


Process Control; Machine Control

PW and PWR Series of power wirewound resistors features high-temperature ceramic shells in power ratings to 60 W. Resistors are available in axial and radial lead configurations. Designed for power applications, the devices are well suited for handling overloads. PW Series comes with TCRs (temperature coefficient of resistance) as high as 5,550 ppm/°C, making it ideal for protecting circuits from thermal runaway or circuits that require temperature compensation. Applications include power electronics circuits such as inrush, pulse, or protection resistors; voltage dividers; bleeders; current limiters; and load banks. These resistors are specified in power supplies, motor controllers, and automotive applications. PW Series with power ratings from 2-25 W in axial lead configurations and 20-60 W in radial terminal configurations comes in resistance values from 0.10-30Ù at standard tolerances of ±10% or ±5%. PWR Series resistors are radial leaded (vertical) devices with power ratings from 3-10 W and resistance values from 0.10-18 Ù with standard tolerances of ±10% or ±5%.


IRC Wire and Film Technologies Div.

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