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For more information:
Media contact -  Andrew Post, Sr. Manager, Global Communications
Phone:  1.610.251.5287 
Fax:  1.610.889.9429 
E-mail:  andrew.post@vishay.com

New Surface-Mount Chip Attenuators Deliver Superior Performance With Lower Manufacturing Costs

Thick Film CZA Series Components Each Replace Three or More Resistors in Cell Phones and Automotive and Consumer Entertainment Systems


Attenuator

Products mentioned:

CZA CZA04S CZA06S
For more information:
Media contact -  Andrew Post, Sr. Manager, Global Communications
Phone:  1.610.251.5287 
Fax:  1.610.889.9429 
E-mail:  andrew.post@vishay.com

MALVERN, PENNSYLVANIA-January 3, 2001-A new series of surface-mount thick film chip attenuators that offers the industry's widest impedance and attenuation range for this device type has been announced by Vishay Intertechnology, Inc. (NYSE: VSH). The Vishay Dale CZA chip attenuators will provide improved attenuation in a single device as compared to three or more discrete resistors. Additional benefits include lower overall component costs, board space and weight savings for the manufacture of communications, automotive, and consumer electronic products.

Designed to provide a specific impedance and attenuation in an unbalanced p-type configuration, the CZA series will be used for signal attenuation in the RF section in cell phones and wireless information appliances, and in a range of applications in automotive and consumer entertainment systems. The range of impedance options (50 Ω / 75 Ω / 300 Ω / 600 Ω) and an attenuation range from 0.5dB to 20dB is the industry's broadest. Both 40mW (CZA04S) and 75mW (CZA06S) maximum input power options are available.

Electrical and environmental performance are superior compared to discrete thick film resistor chips. Attenuation tolerance of 0.3 dB to 1.6 dB, temperature coefficient of resistance is 100 ppm/C and a maximum voltage standing wave ratio (VSWR) of 1.2 results in improved signal quality.

"The CZA series offers improved attenuation through impedance value matching, tolerance matching and temperature tracking," said Joel Smejkal, Director of Resistor Product Marketing at Vishay Intertechnology. "A CZA attenuator will replace three discrete resistors resulting in smaller and lighter end products."

The CZA04S chip attenuator is a surface mount device measuring 0.039" by 0.039" (1 mm by 1 mm), while the CZA06S measures 0.063" by 0.059" (1.6 mm by 1.5mm). The component height is 0.014" (0.35 mm) and 0.020" (0.5 mm) respectively. Samples are available now. Production quantities are available with lead times of four to six weeks.

Vishay Intertechnology, Inc., a Fortune 1000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay’s product innovations, successful acquisition strategy, and "one-stop shop" service have made it a global industry leader. Vishay can be found on the Internet at www.vishay.com.

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For more information:
Media contact -  Andrew Post, Sr. Manager, Global Communications
Phone:  1.610.251.5287 
Fax:  1.610.889.9429 
E-mail:  andrew.post@vishay.com