Tiny SMT Sound Transducers Fit Bill For Portables

April 1, 1999

Designers of miniature cellular phones and pagers will find applications for the KSS Series of sound transducers. Measuring just 8.5 mm square x 2.2 mm thick, the surface-mountable transducers are offered in three voltage ranges, all of which produce a sound-pressure level of 87 dB minimum. The KSS-81 Series has an operating voltage range of 1 to 2 vdc; the KSS-83 devices range from 2 to 4 vdc; and the KSS-85 units operate from 4 to 6 vdc. Each of these series is also available in A and B versions, with resonant frequencies of 2730 ±200 Hz and 3200 ±200 Hz, respectively.

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