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Rotary pot withstands harsh industrial environs

Posted: 26 Apr 2007 ?? ?Print Version ?Bookmark and Share

Keywords:rotary potentiometer? industrial applications? rotary pot?

Model P232 potentiometer from BI Technologies

TT electronics BI Technologies Electronic Components Division has developed a 24mm rotary potentiometer with a life cycle of up to 2 million rotations. Typical applications for the P232 potentiometer include joysticks, foot pedals, industrial controls, position sensors and board-mounted panel controls.

The P232 potentiometer features a resistance range of 1 kiloohm to 1 megaohm and standard tolerance to 10 percent. Maximum input voltage is 200Vdc, with a dielectric strength of 500Vac. Operating temperature range is -10C to 85C. BI Technologies will also produce devices outside these specifications to meet customer requirements.

The RoHS-compliant rotary potentiometer features dual-gang availability along with both linear and audio tapers. BI will also develop gears, special shaft configurations or electrical outputs upon request.

According to Barbara Wiesinger, director of product development for BI Technologies Electronic Components Division, the 24mm rotary potentiometers were originally offered with a rotational life of 10,000 to 100,000 cycles. "We enhanced the design by adding a CP element and improved contact spring, allowing for a more robust end product," said Wiesinger. "The Model P232 potentiometer is also sealed to withstand harsh environments, allowing it to meet the stringent life requirements, particularly those in industrial applications."

Typical pricing for a standard P232 rotary potentiometer ranges from $2.50 to $4 depending on volume. Lead times are from stock to five weeks, with custom samples available as early as two weeks.

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