Piezo transducers:

PCA-2B

Sound level [dB] 110
Resonant frequency ±0,5 [kHz] 3,5
Capacitance ±30% [nF] 90
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PCA-3B

Sound level  [dB] 110
Resonant frequency ±0,5 [kHz] 3,5
Capacitance ±30% [nF] 90
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PCA-3U

Sound level [dB] 100
Resonant frequency ±0,5 [kHz] 3,5
Capacitance ±30% [nF] 45
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