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RFID SMT antenna rated for automotive use

September 16, 2011 // Julien Happich

RFID SMT antenna rated for automotive use

The SDTR1103CAP RFID antenna from Premo incorporates a mechanical decoupling structure to the ferrite core and external protection against mechanical risks. Designed in the company's 1103 standard, the antenna provides up to 55mV/Apk-pk/m sensitivity and is suitable for low frequency 20kHz-150kHz receiver applications.

This series offers upper and lateral side protection with co-polyamide polyhexamethylene polymer walls, gamma radiated with high thermal stability (withstands up to 290ºC) and a mechanical resistance up to 150Mpa of compression. The antenna is equipped with NiZn ferrite core with high surface resistivity (> 10Mohm/mm) that provides a very stable behaviour over a wide temperature range of -40 to 125ºC. The SDTR1103CAP SMD antenna can be used in applications such as tire pressure monitoring systems which requires an excellent performance under extreme conditions, according to AEC-Q200 and additional requirements as EU regulations. Four standard values are available, including 2.38mH, 4.91mH, 7.2mH and 9mH at 125kHz. Others inductance values ​​and frequencies are available upon request, from 340uH to 16mH.

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