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Inductors pack performance in small footprint

Posted: 24 Dec 2004 ?? ?Print Version ?Bookmark and Share

Keywords:vishay intertechnology? imc? surface-mount inductor? inductor? imc-0402-01?

Designed for communications applications with limited board space, Vishay Intertechnology Inc. has expanded its IMC family of wirewound, surface-mount inductors with the release of two new devices packaged in small 0402 and 0603 case sizes.

The new Vishay Dale IMC-0402-01 and IMC-0603-01 wirewound inductors feature advances such as higher self-resonant frequencies (SRF), better Q factors, and more stable performance. The IMC-0402-01 offers SRF values ranging from 2,100MHz to 6,000MHz over an inductance range of 1nH to 47nH and improved minimum Q factor values from 26 to 13. For the IMC-0603-01, SRF values range from 1,000MHz to 6,900MHz over an inductance range of 2nH to 270nH, and minimum Q factor values range from 43 to 16.

Rated DC current for the IMC-0402-01 ranges from 150mA to 1,360mA, and 170mA to 700mA for the IMC-0603-01. Tolerances as low as 2 percent are available for devices with inductance ratings of 10nH and up.

The new IMC inductors are rated for an operating temperature range of -40C to 125C and a storage temperature of -40C to 125C. Their Pb-free, surface-mount construction enables easy assembly with excellent solderability and resistance to soldering heat, said the company. Both devices are suitable for reflow soldering.

Designed for systems such as cellular phones, cable modems, ADSL, repeaters and Bluetooth devices, the two new products feature dimensions of 1-by-0.55mm with a 0.5mm height profile and 1.60-by-1.05mm with a height profile of 1.05mm, respectively.

Available in tape-and-reel packaging, samples and production quantities of the new wirewound, surface-mount inductors are already available. Lead time for production quantities is nine weeks. Pricing for U.S. delivery starts at 6 cents in quantities of 25,000.

- Gina Roos

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