RFID SMT antenna rated for automotive use
September 16, 2011 // Julien Happich
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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