The PKMCS0909E4000-R1 sounder from Murata is one of the smallest and lightest surface mount piezoelectric sounder available in the market. Occupying significantly less surface area, and with a combined weight and area reduction of 44% compared to previous Murata products, the PKMCS0909E4000-R1 measures just 9 x 9 x 1.9 mm and weighs only 160 mg.
Despite its compact size the PKMCS0909E4000-R1 has a minimum sound pressure level output of 65 dB measured 10 cm from sounder, when driven with a +/- 1.5 V 4kHz square wave. Maximum peak-to-peak voltage for the device is +/- 12.5 V.
Power consumption is very low at typically 0.6 mW, this helps preserve battery life in power budget constrained consumer electronic and portable devices. Since the sounder does not use any magnets or coils to create sound it doesn't generate any electrical noise and therefore has minimum impact on surrounding circuitry.
Typical applications for the PKMCS0909E4000-R1 include medical devices, blood glucose meters, personal thermometers, camera strobe flash, Bluetooth devices, smart sensors and battery operated portable equipment.
The PKMCS0909E4000-R1 is supplied on tape and reel packaging and is compatible with reflow soldering processes.
Download the PKMCS0909E4000-R1 overview flyer here.
Download the PKMCS0909E4000-R1 datasheet here.
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