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Chip attenuators replace three or more discrete components

Posted: 26 Oct 2005     Print Version  Bookmark and Share

Keywords:vishay intertechnology  chip resistor attenuator  vishay dale  cza04s  cza06s 

Vishay Intertechnology Inc. has developed a new series of surface-mount chip resistor attenuators that can replace three or more discrete components, which will help designers reduce component count and save board space in their new electronic system designs.

Designed for RF signal attenuation applications in telecommunications and mobile wireless products, the new Vishay Dale CZA04S and CZA06S devices are also said to improve performance with better tolerance matching and temperature tracking than what's provided by discrete components.

The CZA04S features a power rating of 0.040W and impedance of 50 ohms while the CZA06S features a power rating 0.075W with impedance values of 50-, 75-, 100-, 300- and 600 ohms. Both devices offer attenuation ranges and tolerance values of 1dB to 5dB at 0.3dB (L) and 6dB to 20dB at 0.5dB (H). The frequency range for both the CZA04S and CZA06S is DC to 3GHz.

The CZA04S measures 1-by-1mm with a height profile of 0.36mm, while the CZA06S offers dimensions of 1.60-by-1.50mm with a height profile of 0.51mm. The operating temperature range for the CZA04S is -55°C to 125°C and -55°C to 150°C for the CZA06S.

The new CZA devices are available in tin/lead (Sn/Pb) and RoHS-compliant, lead-free versions. Extended values, non-standard tolerances, impedance matching, and other attenuation values are available on request. Samples and production quantities are already available, with a lead time of 10 weeks for larger orders.

- Gina Roos


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