Spectrum Sensors & Controls, Inc.,
Grass Valley, CA 95945
Oct 09, 2008 Featuring 45 in. side-located 24 AWG lead wires, flange mount potentiometer has electrical angle of 50° ±2°, independent linearity of ±0.25%, bow-tie tolerance, and output smoothness of 0.1% max. Motorized unit is packaged in electro-less nickel-plated, thermoplastic housing with milled slot and passivated stainless steel shaft. Rotational life is 50 million cycles minimum.

Vishay Intertechnology, Inc.
Malvern, PA 19355 2143
Jul 30, 2008 Supplied in fully sealed IP67 package with pure Sn terminals, Sfernice P10L features low temperature coefficient down to ±150 ppm/°C, cermet element for stability, and 1,000 VRMS dielectric strength. This 9.6 mm solution, constructed with plastic shaft and bushing, has max operating torque of 2.83 oz/in. and end stop torque of 9.9 oz/in. Four resistance values are available from 1-50 kW, with 1% typical contact resistance variation. Operating range is -40 to +100°C.

Electro-Mech Components, Inc.
South El Monte, CA 91733 3689
Jul 29, 2008 Compact SW44585 offers rotary and push-on momentary functionality for maximum operation control. SPST switch lets user specify value so that, at the push of a button, circuit or channel automatically opens at preset level. Featuring optional edge-lit knob assembly and snap-feel momentary switch actuation, solution takes up less than 1.00 in. behind panel. Unit weighs less than 1 oz and mounts Vishay/Sfernice potentiometer module with custom PCB tactile switch.

Catalyst Semiconductor
Sunnyvale, CA 94089
Jul 11, 2008 Housed in 8-lead SOT-23 package, CAT5128 digital potentiometer family comes in 10, 50, and 100 kW versions. Single-pot position linear taper device operates from 2.7-5.5 V, and is suited for range of control/calibration applications, such as digital volume control and LCD screen contrast and brightness adjustment in portable, consumer, and industrial electronic products as well as automated, tamper-proof product calibration, and remote control adjustment applications.

Bourns, Inc.
Riverside, CA 92507 2129
Jun 20, 2008 Available in 10, 20, and 50 ohm resistance values, Model 3312 is designed for applications requiring small resistance corrections. This 2 mm, sealed, single-turn trimming potentiometer (trimmer) is built to withstand standard water wash processes and can be used in space-constrained applications. Standard resistance range is 10 W to 2 MW, with standard tolerance of ±20%.

austriamicrosystems AG
Premstatten   Austria
Mar 18, 2008 Model AS1507 is 256-tap SPI-interfaced non-volatile dual digital potentiometer available with 10, 50, and 100 kW resistance. It uses maximum of 500 nA during standby and 200 µA maximum during operation including CMOS write current. Operating from single supply from 2.7-5.5 V, unit offers end-to end resistance temperature coefficient of 90 ppm/°C. Wiper information is stored in Hi-EPR EEPROM that allows 10 million write cycles at 25°C and 1 million write cycles at 85°C.

Dart Controls, Inc.
Zionsville, IN 46077
Feb 13, 2008 Microprocessor-based DP4 Series is suitable for new equipment as well as retrofitting ac or dc drive systems where precise, repeatable speed setting and digital readout are desired. Unit also supports bipolar connections with power supplies of ±10 Vdc or lower for either regenerative or standard relay reversing control applications.

Vishay Intertechnology, Inc.
Malvern, PA 19355 2143
Feb 06, 2008 Model PE60 provides resistance ranges from 1W to 1MW, dielectric strength of 2,500 Vrms, max operating torque of 4.3 oz.-in., and end stop torque of 6 lb.-in. Cermet element features 6 W power rating at 50°C and standard ±20% tolerance. Operating temperature range is 55 to +125°C. With bushing threads and fully sealed package, device is designed for industrial, aeronautic, and heavy duty control applications.

Vishay Intertechnology, Inc.
Malvern, PA 19355 2143
Jan 22, 2008 Measuring 19.7 mm diameter, 2 W Sfernice P30L features fully sealed IP67 package with pure Sn terminals and cermet element. Unit offers max operating torque of 4.25 oz/in., end stop torque of 99 oz-in., and 4 resistance values from 1-50 kW over 44.7-300 V working range, with 3% typical contact resistance variation. Operating temperature range of -40 to +100°C ensures reliable operation even in extreme environments.

Microchip Technology, Inc.
Chandler, AZ 85224 6199
Oct 26, 2007 Specified over -40 to +125°C range, models MCP4141/2, MCP4241/2, MCP4161/2, and MCP4261/2 can be controlled digitally through SPI interface. All 7- and 8-bit devices feature non-volatile memory for retaining settings at power down, and maximum static current consumption of 5 µA helps extend battery life. Depending on model, packaging options include 8-pin, 3 x 3 mm, DFN, MSOP, PDIP and SOIC; 10-pin MSOP; 10-pin, 4 x 4 mm QFN; and 14-pin SOIC, PDIP, TSSOP packages.

BI Technologies Corp.
Fullerton, CA 92835-1051
Sep 05, 2007 Available with linear and audio tapers, RoHS-compliant Model P260 is sealed for use in dusty or contaminated environments and features conductive plastic element with up to 6 gangs. Square 12.7 mm potentiometer, with 0.5 W power rating, has IP66 ingress protection and is offered with various detent and rotary switch options. Besides resistance from 500 W to 1 MW, characteristics include tolerance to ±10%, max input voltage of 350 Vac, and dielectric strength of 1,500 Vac.

Spectrum Sensors & Controls, Inc.,
Grass Valley, CA 95945
Aug 31, 2007 Powered by Micro M6 motor, 0.906 in. dia motorized rotary potentiometer uses passivated stainless steel shaft and has turret-type, side-located, gold-plated terminals. Clutch module housing is anodized aluminum, and product utilizes co-molded conductive plastic element. Along with 100,000-cycle (min) rotational life, characteristics include electrical angle of 340° absolute, output smoothness of 0.1% max, and absolute linearity of ±0.5 at center tap.

austriamicrosystems AG
Schloss Premstaetten A 8141  Austria
Aug 30, 2007 Available with 10, 50, and 100 kW resistance, Model AS1506 is 8-bit, 256-tap, and SPI-interfaced nonvolatile digital potentiometer that uses maximum power of 500 nA during standby and 200 A (max) during operation including CMOS write current. It offers resistance temperature coefficient of 90 ppm/°C, integral nonlinearity (INL) of ±0.5LSB (max), and differential nonlinearity (DNL) of ±0.5LSB (max). Unit comes in small 8-pin TDFN 3 x 3 mm packaging.

Vishay Intertechnology, Inc.
Malvern, PA 19355 2143
May 22, 2007 Equipped with cermet element and US bushing threads in sealed package, Model PRV4 is intended for industrial control panel, heavy-duty control, and position control applications. Resistance range is from 20 W to 10 MW with 1% typical contact resistance variation. Measuring 19.6 mm diameter, potentiometer features max operating torque of 4.3 oz-in., end stop torque of 6 lb-in., and operating temperature of -55 to +125°C.

BI Technologies Corp.
Fullerton, CA 92835-1051
May 02, 2007 Sealed to withstand harsh environments, Model P232 is specified over -10 to +85°C range and features dual-gang availability along with both linear and audio tapers. This RoHS-compliant, 24 mm rotary potentiometer has resistance range of 1 kW to 1 MW and standard tolerance to ±10%. Max input voltage is 200 Vdc, with dielectric strength of 500 Vac, and applications include joysticks, foot pedals, industrial controls, position sensors, and board mounted panel controls.

BI Technologies Corp.
Fullerton, CA 92835-1051
Apr 02, 2007 Suitable for panel mount configurations, 27 mm Model P270 features conductive, plastic design with resistance range of 1 kW to 1 MW and standard tolerance to ±10%. Power ratings are 2 W at 70°C, with max input voltage of 500 Vdc and dielectric strength of 1,000 Vac. RoHS-compliant potentiometer is offered with dust proof option, as well as full seal, center tap, and dual gangs.

Singular Controls, Inc.
Tarrytown, NY 10591
Jan 25, 2007 Comprised of panel-mounted pushbuttons, E-stops, selector switches, potentiometers, and flat and protruding LED-based indicator lights, 22.5 mm Series N control units suit applications requiring IP67 submersibility and IP69K sealing requirements for up to 120°C high-pressure hot water/steam jet cleaning. Surface geometries facilitate cleaning, and sealing design protect against ingress of contamination. Products come with screw terminals or WAGO cage clamps.

Singular Controls
Tarrytown, NY 10591
Jan 19, 2007 Designed to tolerate UV light and Ozone, 22.5 mm Series N includes panel-mounted pushbuttons, E-stops, selector switches, potentiometers, and flat and protruding LED-based indicator lights. Sealing design protects gaps between fixed and moving parts against ingress of contamination. All meet IP67 submersibility and IP69K sealing requirements for up to 120°C high-pressure hot water/steam jet cleaning. Units are available with screw terminals or WAGO cage clamps.

Spectrum Sensors & Controls, Inc.,
Grass Valley, CA 95945
Jan 10, 2007 Suited for aerospace applications, 0.500 in. dia, 2.500 in. long linear potentiometer provides rotational life of 10 million cycles with output smoothness of 0.1% maximum. Device features electrical stroke length of 1.50 in. and independent linearity of +1%, as well as infinite resolution. With passivated SS housing and co-molded conductive plastic element, they include lead wires of 24 AWG that are 60.0 in. long.

Gefran ISI, Inc.
Winchester, MA 01890
Dec 06, 2006 Featuring IP67 rating, Models LT67, PC67, PZ67-A, and PZ67-S can be installed in environments where resistance to dust, or temporary resistance to liquid immersion, is required. Model PC67 offers stroke lengths from 50-750 mm and features M12, 4-pole electrical connector. With stroke lengths from 25-300 mm, Model PZ67-S features M12, 4-pole connector and Model PZ67-A has M18, 3-pole connector. Model LT67 provides stroke lengths from 50-900 mm and is suited for plastics processing applications.