20mm Piezo Transducer

 19.75

Category:

20mm Piezo Transducer

Piezo elements come in handy when you need to detect vibration or a knock. You can use these for tap or knock sensors pretty easily by reading the voltage on the output. They can also be used for a very small audio transducer such as a buzzer.

 Specification:

Resonant Frequency
(KHz)
6.5±0.5
Resonant impedance
(Ω)
≤400
Capacitance at 1KHz
(pF)
15000±30%
Metal plate diameter (mm) (D)
(mm)
φ20.0±0.2
Ceramic plate diameter (mm) (d)
(mm)
φ15.0±0.4
Total thickness (mm) (T)
(mm)
0.42±0.05
Metal plate thickness (mm) (t)
(mm)
0.2±0.02
Metal material
Brass (H65)
RoHS
Yes
MSL(Moisture Sensitivity Level)
5a(≤30℃/60%RH 24H Floor life)

Dimension of piezo element: