Power resistors handle hot duties
An IRC Wirewound and Film Technologies product story
Edited by the Electronicstalk editorial team Apr 3, 2007
Providing design engineers with economical power resistors with high temperature capabilities, both power wirewound and film resistors are available for high volume applications.
Providing design engineers with economical power resistors with high temperature capabilities, TT Electronics IRC Wire and Film Technologies Division now offers both power wirewound and film resistors for high volume applications.
Designated the CAW (wirewound) and CAF (film) Series, both resistor types are available for operation at temperatures up to 275C.
"We anticipate these power wirewound and film resistors to gain wide acceptance with contract manufacturers and other high volume users for a wide range of general purpose applications", said David Winkler, Product Manager for IRC's Wire and Film Technologies Division.
"Both types of resistors are enclosed in a flameproof ceramic case with inorganic fill materials, which makes them ideal for operation in extreme temperatures, such as those found in industrial and appliance applications".
Additional applications for the CAW and CAF Series resistors include power electronics circuits, voltage dividers, power supplies, and motor controllers.
Both the CAW and CAF Series axial lead resistors feature power ratings of 2 to 10W.
The CAW Series wirewound device offers a resistance range from 0.1ohm to 1.2kohm, whereas the CAF Series film resistors have a resistance range of 28ohm to 200kohm; standard tolerances for both devices are +/-5% and +/-10%, with TCRs of +/-400ppm/C at less than 20ohm and +/-350ppm/C at 20ohm and above.
Operating temperature range is -55 to +275C.
IRC will also produce devices outside these specifications to meet customer requirements.
Typical pricing for the CAW and CAF Series resistors is US $0.065 each for the 5W devices and $0.15 each for the 10W devices in quantities of 10,000.
Lead time is from stock to 8 weeks.
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