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Hall effect sensors withstand harsh environments

Posted: 20 Nov 2007 ?? ?Print Version ?Bookmark and Share

Keywords:Hall effect technology? sensor? position sensors?

351 HE

Vishay Intertechnology Inc. has developed a new single-turn, bushing-mount position sensor in the size 09 (22.2mm) that features Hall effect technology for applications in harsh environments.

The Hall effect technology of the new 351 HE gives it the ability to perform in conditions involving high frequency vibrations up to 20G and shocks up to 50G over a temperature range of -45C to 125C, providing a strong advantage over other technologies.

The sensor is optimized for foot pedal position sensors, throttle position sensors, steering position sensors, rudder positioning, auto pilot feedback, drive-by-wire, lift and shuttle position sensors, tilt control and tilt positioning feedback, and suspension system position sensors in marine, avionics, fork lift trucks, farm equipment and automotive applications.

With all electrical angles available up to 360 with no dead band, the device features accurate linearity down to 0.5 percent. The sensor offers a long life greater than 10 million cycles, with continuous performance for the life of the device with no drift of linearity.

The sensor offers a supply voltage of 5V 10 percent, with other values available upon request. The device features a typical supply current of 10mA, and 16mA for PWM output. The sensor offers 20V over voltage protection and -10V reverse voltage protection. The recommended load resistance is 4k for analog output and 1k for PWM output. Redundant output signals are available upon request.

Samples of the 351 HE are available now. Production quantities will be available in Q4, with lead times of 12 weeks for large orders.

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