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Tiny PIR sensor boasts enhanced RFI immunity

Posted: 01 Mar 2010 ?? ?Print Version ?Bookmark and Share

Keywords:pyroelectric infrared sensor? PIR sensor? RFI immunity?


From Murata Electronics North America comes a pyroelectric infrared (PIR) sensor claimed to be the smallest with a 5mm x 4.7mm x 2.4mm footprint.

The IRS-B210ST01-RI sensor is intended for use in compact, low-profile electronic equipment and, in particular, energy-saving devices.

According to Murata, its IRS-B210ST01-RI is the only surface-mount PIR sensor available on the market today. It provides numerous features including high sensitivity and SNR, high stability against temperature changes and white light and enhanced RF interference (RFI) immunity.

The PIR sensor includes dual 0.85mm x 1.2mm electrodes with a field of vision of 70 (horizontal) and 50 (vertical). Its operating temperature range is -40C to +70C and driven by supply voltage in the range of 2V to 15V.

Sample price is $1.88. Lead-time is approximately 12 weeks.

- Ismini Scouras

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