Analog Angle Article

Vishay : Panel potentiometer features a linearity down to 2 percent

Vishay Intertechnology has announced a new economical, long-life panel potentiometer featuring up to four modules and a compact 12.5-mm size.

While standard low-cost panel potentiometers reach 50,000 cycles, the P11L offers a long life of 2 million cycles. For designers, this reduces the need for replacement parts, increasing reliability and lowering maintenance costs.

The versatile panel potentiometer is optimized for CMOS amplifier gain, CMOS IC offset setting, motor speed control, and angle sensor applications in welding machines, air conditioning units, tooling machines, medical systems, X-ray equipment, trucks and tractors, and military and avionics systems. 

With its 12.5-mm size, the new P11L offers designers a compact alternative to other panel potentiometers. The device’s cermet element provides better stability than carbon elements while its 1,500-VRMS dielectric strength offers greater reliability and robustness. 

The P11L features up to four modules, a choice of 6-mm and 6.35-mm shaft diameters, and 29 terminal styles. The device is available with custom shafts, harness, connectors, and value-added options in accordance to drawings supplied by customers.

The Vishay Sfernice potentiometer offers a typical operating torque from 1.0 oz. to 2.1 oz. per inch and an end stop torque of 6.8 lb. per inch. The device provides standard resistance values of 1 kΩ, 5 kΩ, 10 kΩ, and 50 kΩ, with a contact resistance variation of 2 % or 3 Ω, and low TCR of ± 150 ppm/°C. The P11L features a linearity of 3 %, with 2 % available.

Compliant to RoHS directive 2002/95/EC and tested in accordance with CECC41 000, the potentiometer offers an operating temperature range of – 55 °C to + 125 °C to ensure reliable operation even in extreme environments.

Samples and production quantities of the new P11L are available now, with lead times of four to eight weeks for larger orders.

Follow Vishay products for industrial applications at           

Vishay Intertechnology, Inc. , a Fortune 1,000 Company listed on the NYSE (VSH), is one of the world’s largest manufacturers of discrete semiconductors (diodes, rectifiers, MOSFETs, optoelectronics, and selected ICs) and passive electronic components (resistors, capacitors, inductors, sensors, and transducers). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, and medical markets. Its product innovations, successful acquisition strategy, and “one-stop shop” service have made Vishay a global industry leader.

Vishay can be found on the Internet at   

Note: The above text is the public part of the press release obtained from the manufacturer (with minor modifications). EETimes Europe cannot be held responsible for the claims and statements made by the manufacturer. The text is intended as a supplement to the new product presentations in EETimes Europe magazine.

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