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Resistor in high-power package offers low thermal resistance

Posted: 30 Jul 2007 ?? ?Print Version ?Bookmark and Share

Keywords:resistor? TO-126 package? low thermal resistance?


Providing design engineers with a compact, high-power resistive device for applications with limited PCB space, TT electronics IRC Advanced Film Division has released the MHP20S Series TO-126 resistor which features a non-inductive thermal resistant design and is rated up to 20W.

"The MHP20S power resistor features a complete thermal design, allowing for power ratings that normally wouldn't be realized in a TO-126 package," said Gary Bleasdell, thick film business unit director for IRC Advanced Film Division. "The high-power capability in the space-saving design makes the resistor ideal for power circuit applications, particularly those in automatic test equipment."

Within ATE applications, the MHP20S resistor is specified for pin driver use in IC and board testers. Additional applications include pulse handling circuits, motor control and drive circuits and switch-mode power supplies.

The MHP20S Series 20W resistors feature a resistance range of 0.01 to 220, with a thermal resistance of 5.9C and a dielectric withstanding voltage of 2,000Vdc. Absolute tolerances are to 1 percent and 5 percent, with absolute TCR to 50ppm/C. Operating temperature range is -55C to 155C.

Pricing for the MHP20S Series TO-126 power resistor is at 52 cents each in quantities of 500 pieces. Lead time is from stock to 8 weeks.

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