Piezo External Circuit

Put simply, the piezo principle is based on the directional deformation of a piezoelectric material. For this purpose, a brass disk with a ceramic disk of smaller diameter is attached to one side.

When an alternating voltage is applied, the disk deforms and bends in one direction and back again. This change follows the frequency of the alternating voltage and thus produces a sound. As the frequency range is rather narrow, piezoelectric transducers are preferably used to reproduce a frequency with high sound pressure. The piezo disk is therefore less suitable for use in speech or music reproduction. If the piezo disk is installed in a housing, this system is often referred to as a piezoelectric transducer.

Diameter (mm): 11 x 9
Height (mm): 1.7
Rated Voltage (Vp-p): 5
Max Operatin Voltage (Vp-p): 20
Resonance Frequency (Hz): 4100
Min. Sound Pressure Level (dBA): 70 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 12
Height (mm): 7.5
Rated Voltage (Vp-p): 12
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4500
Min. Sound Pressure Level (dBA): 80 at 10cm
Capacitance at 120 (pF): 6000 ± 30%
Termination: PIN
Pin spacing (mm): 6.5
Diameter (mm): 12 x 12
Height (mm): 2.7
Rated Voltage (Vp-p): 3
Max Operatin Voltage (Vp-p): 20
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 72 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 12 x 12
Height (mm): 3
Rated Voltage (Vp-p): 3
Max Operatin Voltage (Vp-p): 20
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 75 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 12.8
Height (mm): 6
Rated Voltage (Vp-p): 3 Vrms
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 75 at 10cm
Capacitance at 120 (pF): 12000
Termination: PIN
Pin spacing (mm): 5
Diameter (mm): 12.8
Height (mm): 7.2
Rated Voltage (Vp-p): 5
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 80 at 10cm
Capacitance at 120 (pF): 14000 ± 30%
Termination: PIN
Pin spacing (mm): 7.5
Diameter (mm): 12.8 x 12.8
Height (mm): 2.5
Rated Voltage (Vp-p): 3
Max Operatin Voltage (Vp-p): 20
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 75 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 13
Height (mm): 2.5
Rated Voltage (Vp-p): 10
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4800
Min. Sound Pressure Level (dBA): 80 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: WIRE
Pin spacing (mm):
Diameter (mm): 13.8
Height (mm): 6.8
Rated Voltage (Vp-p): 5
Max Operatin Voltage (Vp-p): 20
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 80 at 10cm
Capacitance at 120 (pF): 13000 ± 30%
Termination: PIN
Pin spacing (mm): 7.6
Diameter (mm): 14
Height (mm): 4
Rated Voltage (Vp-p): 10
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4800
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: WIRE
Pin spacing (mm):
Diameter (mm): 14.3 x 14.3
Height (mm): 8
Rated Voltage (Vp-p): 5
Max Operatin Voltage (Vp-p): 20
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 80 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 14.3 x 14.3
Height (mm): 10.7
Rated Voltage (Vp-p): 5
Max Operatin Voltage (Vp-p): 20
Resonance Frequency (Hz): 3300
Min. Sound Pressure Level (dBA): 80 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 14.8 x 14.8
Height (mm): 7.4
Rated Voltage (Vp-p): 12
Max Operatin Voltage (Vp-p): 20
Resonance Frequency (Hz): 5000
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 16 x 16
Height (mm): 2.5
Rated Voltage (Vp-p): 3
Max Operatin Voltage (Vp-p): 25
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 75 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 16 x 16
Height (mm): 2.5
Rated Voltage (Vp-p): 5
Max Operatin Voltage (Vp-p): 25
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 16.5
Height (mm): 4
Rated Voltage (Vp-p): 9
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 12000 ± 30%
Termination: WIRE
Pin spacing (mm):
Diameter (mm): 16.5
Height (mm): 6.7
Rated Voltage (Vp-p): 5
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 83 at 10cm
Capacitance at 120 (pF): 10000 ± 30%
Termination: PIN
Pin spacing (mm): 11
Diameter (mm): 17
Height (mm): 6
Rated Voltage (Vp-p): 12
Max Operatin Voltage (Vp-p): 25
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 90 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 17
Height (mm): 7.9
Rated Voltage (Vp-p): 5
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 78 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: PIN
Pin spacing (mm): 10
Diameter (mm): 17
Height (mm): 8.7
Rated Voltage (Vp-p): 12
Max Operatin Voltage (Vp-p): 25
Resonance Frequency (Hz): 2000
Min. Sound Pressure Level (dBA): 80 at 10cm
Capacitance at 120 (pF): 19000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 17 x 17
Height (mm): 5.4
Rated Voltage (Vp-p): 5
Max Operatin Voltage (Vp-p): 25
Resonance Frequency (Hz): 3700
Min. Sound Pressure Level (dBA): 80 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 17.5
Height (mm): 9.6
Rated Voltage (Vp-p): 3
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 14000 ± 30%
Termination: PIN
Pin spacing (mm): 10
Diameter (mm): 20 x 16.9
Height (mm): 7
Rated Voltage (Vp-p): 9
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 2200
Min. Sound Pressure Level (dBA): 75 at 10cm
Capacitance at 120 (pF): 22000 ± 30%
Termination: PIN
Pin spacing (mm): 8.5
Diameter (mm): 22
Height (mm): 7
Rated Voltage (Vp-p): 3
Max Operatin Voltage (Vp-p): 25
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 25000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 22
Height (mm): 9.0
Rated Voltage (Vp-p): 3
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 80 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: PIN
Pin spacing (mm): 10
Diameter (mm): 22
Height (mm): 12.5
Rated Voltage (Vp-p): 3
Max Operatin Voltage (Vp-p): 40
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: PIN
Pin spacing (mm): 10
Diameter (mm): 23
Height (mm): 4.3
Rated Voltage (Vp-p): 12
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 5000
Min. Sound Pressure Level (dBA): 70 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: WIRE
Pin spacing (mm):
Diameter (mm): 23
Height (mm): 8.7
Rated Voltage (Vp-p): 9
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 3000
Min. Sound Pressure Level (dBA): 80 at 10cm
Capacitance at 120 (pF): 24000 ± 30%
Termination: PIN
Pin spacing (mm): 17.5
Diameter (mm): 23
Height (mm): 9.8
Rated Voltage (Vp-p): 12
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4800
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 15000 ± 30%
Termination: PIN
Pin spacing (mm): 15
Diameter (mm): 23
Height (mm): 11.1
Rated Voltage (Vp-p): 9
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 100 at 10cm
Capacitance at 120 (pF): 12000 ± 30%
Termination: SMD
Pin spacing (mm):
Diameter (mm): 24
Height (mm): 7.5
Rated Voltage (Vp-p): 9
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 17000 ± 30%
Termination: PIN
Pin spacing (mm): 10
Diameter (mm): 25x24
Height (mm): 10
Rated Voltage (Vp-p): 10
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 3200
Min. Sound Pressure Level (dBA): 88 at 10cm
Capacitance at 120 (pF): 17000 ± 30%
Termination: PIN
Pin spacing (mm): 12.5
Diameter (mm): 25 x 25
Height (mm): 8.3
Rated Voltage (Vp-p): 8
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 2000
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 22000 ± 30%
Termination: PIN
Pin spacing (mm): 10
Diameter (mm): 26.5 x 22
Height (mm): 7
Rated Voltage (Vp-p): 3
Max Operatin Voltage (Vp-p): 25
Resonance Frequency (Hz): 2000
Min. Sound Pressure Level (dBA): 70 at 10cm
Capacitance at 120 (pF): 30000 ± 30%
Termination: PIN
Pin spacing (mm): 12.5
Diameter (mm): 27.7
Height (mm): 2.85
Rated Voltage (Vp-p): 9
Max Operatin Voltage (Vp-p): 40
Resonance Frequency (Hz): 4000
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 25000 ± 30%
Termination: WIRE
Pin spacing (mm):
Diameter (mm): 30
Height (mm): 7
Rated Voltage (Vp-p): 10
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 3000
Min. Sound Pressure Level (dBA): 90 at 10cm
Capacitance at 120 (pF): 35000 ± 30%
Termination: PIN
Pin spacing (mm): 12.5
Diameter (mm): 33
Height (mm): 14
Rated Voltage (Vp-p): 9
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 1300
Min. Sound Pressure Level (dBA): 80 at 10cm
Capacitance at 120 (pF): 48000 ± 30%
Termination: PIN
Pin spacing (mm): 34.5
Diameter (mm): 34.5
Height (mm): 9
Rated Voltage (Vp-p): 10
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 1100
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 50000 ± 30%
Termination: WIRE
Pin spacing (mm):
Diameter (mm): 41
Height (mm): 14
Rated Voltage (Vp-p): 2.83
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 22000
Min. Sound Pressure Level (dBA): 90 at 10cm
Capacitance at 120 (pF): 100000 ± 30%
Termination: PLATE
Pin spacing (mm):
Diameter (mm): 41.8
Height (mm): 16
Rated Voltage (Vp-p): 12
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 2800
Min. Sound Pressure Level (dBA): 90 at 10cm
Capacitance at 120 (pF): 35000 ± 30%
Termination: WIRE
Pin spacing (mm):
Diameter (mm): 44
Height (mm): 14
Rated Voltage (Vp-p): 9
Max Operatin Voltage (Vp-p): 30
Resonance Frequency (Hz): 1000
Min. Sound Pressure Level (dBA): 85 at 10cm
Capacitance at 120 (pF): 68000 ± 30%
Termination: WIRE
Pin spacing (mm):
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