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ST IPD devices allow for miniature PC-board components

26 Sep 2013

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STMicroelectronics IPD devices

STMicroelectronics has come out with a series of integrated passive and protection devices (IPD) for ultra-miniature filtering and RF matching. The series includes five kinds of the ECMF common-mode filters, ESDAVLC6-1BV2 single-line transient-voltage suppressor and BAL-NRF01D3 ultra-miniature wireless balun.

The ESDAVLC6-1BV2 is encased in a 01005 surface-mount package to protect sensitive circuitry against hazardous voltage surges. ST's ECMF family of common-mode filters, which embed ESD protection, are built using advanced silicon technology and are offered in 0.55mm-high packages. The ultra-miniature wireless balun has proven to help improve the performance of low-power wireless solutions and save up to 90 per cent of the PC-board space occupied by discrete antenna-matching and harmonic-filtering components.

ST's technologies leverage advanced component-fabrication technologies to combine into a single device multiple circuit elements including resistors, capacitors, inductors and ESD diodes that are otherwise typically implemented as individual components on the PC-board. Hence designers can use them to create smaller end-products, increase functionality by designing-in extra ICs, simplify PCB layout and shorten time-to-market for new products.

Prices of the BAL-NRF01D3 start at $0.18 for orders over 5,000 units. The product comes in a 5-bump flip-chip package. The ECMF common-mode filters can be purchased for at least $0.16 (ECMF02-2BF3) for orders over 1,000 units. The ESDAVLC6-1BV2 transient-voltage suppressor is priced from $0.10 for orders greater than 1,000 units.




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