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Riverside, Calif, April 29, 2003 — Bourns, Inc., a leading manufacturer of electronic components and integrated solutions is pleased to announce the release of Model 3223, the latest addition to our SMD family of trimmer products. Model 3223 is the first 3mm square Multiturn SMD sealed trimmer in the market. This trimmer was designed for those applications where accuracy in adjustment is crucial and board space is limited. As a world leader in trimmer technology, Bourns, Inc. continues to fill the market demand for smaller products while maintaining the accuracy in adjustment that currently is only available in larger multiturn trimmers.

With sealed construction, Model 3223 was designed to withstand today's typical board processes such as IR, Forced Hot Air or Convection solder reflow. Recommended solder processing specifications are available upon request or may be found on this website.

Key features of the Model 3223 are:

• Vertical Adjustment
• Pick and place centering design with flush adjustment
• Surface Mount
• 3mm Size
• 11 turns

The Model 3223 requires 42% less board space while maintaining similar electrical characteristics to its 4mm counterpart. Applications include A/D Converters, Satellite Receivers, Disk Drives, Security Systems, Two-way Radios, Printers, RF Meters, Smoke Detectors, Power Supplies, Temperature Sensors, Speakers and CATV Decoders.

Bourns, Inc. is a leading manufacturer of Trimming Potentiometers, Precision Potentiometers, Modular Contacts, Switches, Resistor/Capacitor Networks, and Analog Input Devices, including Panel Controls, and Encoders. Bourns also sells Chip Resistors, Chip Arrays and Inductive Components. Meeting the circuit protection requirements of next-generation products, Bourns' broad circuit protection offering includes an extensive line of PPTC Resettable Fuses, Thyristor Surge Protectors, and Surge Line Protection Modules. Bourns® Communication Protection Product line includes Gas Discharge Tubes (GDT), Telephone Station Protectors, 5-Pin Protectors, Industrial Signal, Irrigation and Petroleum Protectors, CATV Coax Protectors, Signal Data Protectors, and the Indoor and Outdoor POTS Splitters and Network Interface Devices (NID) product lines. 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 and QS-9000 standards under Six Sigma quality programs. For more information, contact Bourns' corporate headquarters at 1200 Columbia Avenue, Riverside, Calif. 92507. Phone (909) 781-5500; Fax (909) 781-5006; URL: www.bourns.com.