MFC resistors enhance reliability

17th November 2020
Mick Elliott

Metal Foil Chip (MFC) resistors from TT Electronics use metal foil on ceramic technology, which combines the heat spreading properties of a ceramic substrate with the surge tolerance of a bulk metal alloy resistance element.

This, in turn, offers lower self-heating levels than thick-film or metal strip resistors and better surge tolerance than thick-film options, making these resistors particularly well-suited for automotive, industrial, and medical applications.

“The development of our MFC series resistors was driven by the explosive growth of products that require control and monitoring of energy consumption, such as battery-operated portable and IoT devices,” said Barry Peters, VP Product Management and Engineering, TT Electronics. “To meet rising demands in this arena, TT has enhanced its current sense resistor portfolio with the debut of the MFC series, offering a wider range of sizes and values than many of our top competitors.”

MFC resistors minimise the use of PCB area, free up error budget to allow relaxed precision requirements elsewhere in the design, and ultimately enhance product reliability.

Available in six sizes from 0402 to 2512, the MFC series also offers a broad range of milliohm options, from 2 to 200, and precision to ±0.5% and ±50ppm/°C. 

AEC-Q200 qualified, the MFC series can be utilised for automotive DC-DC conversion, DC motor control, actuator control, power supply monitoring, portable device battery management systems, and LED drivers.

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