June 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%.

Related categories: Electronic Components and Devices

Press Release
Release date: June 4, 2008

Bourns Expands Trimpot Product Line with 2mm Sealed Single-Turn Trimming Potentiometer

Industry's First Trimmer Available in 10, 20 and 50 Ohm Total Resistance Values for Applications Requiring Small Resistance Corrections

RIVERSIDE, Calif., June 4, 2008 - Bourns, Inc., a leading manufacturer and supplier of electronic components, today announced the availability of a new 2 millimeter (mm) sealed single-turn trimming potentiometer (trimmer). Designated the Model 3312, it is the industry's first trimmer available in 10, 20 and 50 ohm resistance values for applications requiring small resistance corrections. The Bourns Model 3312 is the latest addition to the company's existing line of Trimpot single-turn surface mount trimmers, which include Model 3313 (3mm), Model 3314 (4mm) and Model 3361 (6mm), designed to meet varying design requirements of power rating and physical size.

"With the release of our new sealed trimmer, Bourns can offer its customers a superior and previously-unavailable alternative to open-frame trimmers," said Emill Melliz, potentiometer product line manager at Bourns. "By achieving tighter electrical, environmental and mechanical specifications, the Model 3312 is an optimal solution to meet the needs of high-end products that demand high reliability."

Bourns' Model 3312 offers improved electrical and environmental characteristics in comparison to open-frame trimmers. Since it is sealed, it is able to withstand standard water wash processes unlike an open-frame trimmer. It is also well-suited to space-constrained applications requiring high reliability such as hearing aids, bar code scanners, laser diodes, proximity switches, encoders, sensors and detectors, handheld machine tools, LCDs and touch screen systems, intercom systems and flow/temperature pressure measurement products.

Technical Specifications

Electrical Characteristics

Standard Resistance Range
10W to 2MW

Resistance Tolerance
±20% std

Adjustability

Voltage Divider

Rheostat

±0.2%

±0.4%

Resolution
Essentially infinite

Adjustment Angle
240° nom.

Environmental Characteristics

Power Rating (50 Volts max.)

70°C

125°C

0.1 watt

0 watt

Operating Temperature Range
-55°C to +125°C

Temperature Coefficient
<100 ±150PPM/°C

>100 ±100PPM/°C

Vibration
20G TRS ±1%; VRS ±1%

Shock
100G TRS ±1%; VRS ±1%

Rotational Life
25 cycles TRS ±3%

Pricing and Availability

Bourns' Model 3312 2mm sealed trimmer is available now. As a pricing reference, the Model 3312 is priced at $0.72 in 10,000 piece quantities.

About Bourns

Bourns, Inc. is a leading manufacturer and supplier of automotive sensors, circuit protection solutions, magnetic products, microelectronic modules, precision potentiometers, panel controls and encoders and resistive products. Headquartered in Riverside, CA, Bourns serves a broad range of markets, including telecommunications, computer, industrial, instrumentation, automotive, consumer, non-critical life support medical, audio and various other market segments. Bourns products are manufactured according to ISO-9000 standards under Six Sigma quality programs. Additional company and product information is available at the company's website at www.bourns.com.

Bourns®. Trimpot® and the Bourns logo are trademarks or registered trademarks of Bourns, Inc. and may be used publicly only with the permission of Bourns and require proper acknowledgement. Other listed names and brands are trademarks or registered trademarks of their respective owners.

Donna St. Jean Conti, APR
Keller Communication
949-367-1416
stconti@cox.net
Mobile: 949-290-0622

Contacts:

Public Relations:
Keller Communication
Donna St. Jean Conti
USA
Phone: 949-367-1416

E-mail this person

Company Information:
Name: Bourns, Inc.
Address: 1200 Columbia Ave.
City: Riverside
State: CA
ZIP: 92507 2129
Country: USA
Phone: 877-4bourns
FAX: 909-781-5700
http://www.bourns.com

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