Piezo Element Disc

Piezo Element Disc

Piezo Element Disc 20mm Specification: Resonant frequency (KHz) 3.9±0.5 Resonant impedance (Ω) ≤400 Capacitance at 1KHz (pF) 27000±30% Metal plate diameter (mm) (D) (mm) φ20.0±0.2 Ceramic plate diameter (mm) (d) (mm) φ15.0±0.5 s Total thickness (mm) (T) (mm) 0.24±0.03 Metal plate thickness (mm)...
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Product Details

Piezo Element Disc 20mm

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Specification: Resonant frequency (KHz) 3.9±0.5 

Resonant impedance (Ω) ≤400 

Capacitance at 1KHz (pF) 27000±30% 

Metal plate diameter (mm) (D) (mm) φ20.0±0.2 

Ceramic plate diameter (mm) (d) (mm) φ15.0±0.5 s

Total thickness (mm) (T) (mm) 0.24±0.03 

Metal plate thickness (mm) (t) (mm) 0.13±0.02 

Metal material Brass RoHS Yes Test basic state: Temp(20±2℃) , 

Humidity(40~70%RH) , Air pressure(860~1060hPa)

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Environment Test: Dimensions: ITEM TESTING CONDITION RECOVERY CONDITION Humidity 40±2℃, 93(+2/-3)%RH, 96HRS 2 hour recovery under normal temp. Temp. cycling -10±2℃, 30minutes room temp. 15 minutes +70±2℃, 30 minutes room temp. 15 minutes 5 cycles 2 hour recovery under normal temp.
High temp. +70±2℃,Not less than 30min Measurement under high temp.
Low temp. -10±2℃,Not less than 30min Measurement under low temp.
Evaluation standard : Change requirement on electrical performance:
Resonant frequency ±20%,Free capacitance±30%













Model

Frequcency
     (KHz)

Impedance
     (Ω)

Capacitance
     (pF)

Plate

Piezo Diameter
     (mm)

Ceramic Diameter
     (mm)

Total Thickness
     (mm)

Piezo Thickness
     (mm)

Carton Size
     (cm)

Quantity/Carton
     (K)

Gross Weight
     (Kg)













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12.0±2.0

≤500

9000±30%

Ni

φ10.0±0.2

φ8.0±0.5

0.18±0.03

0.1±0.02

51.5×142×126

20

 

14.png

15.0±3.0

≤500

6000±30%

Ni

φ10.0±0.2

φ8.25±0.3

0.23±0.03

0.1±0.02

51.5×142×126

20

 

15.png

7.5±0.5

≤500

12000±30%

Cu

φ10.5±0.2

φ8.0±0.5

0.14±0.03

0.07±0.02

28×115×118

30

2.7

15.png

8.5±1

≤500

12000±30%

Cu

φ11.0±0.2

φ9.0±0.5

0.17±0.04

0.1±0.03

28×115×118

30

2.6

15.png

6.0±0.5

≤500

15000±30%

Cu

φ12.0±0.2

φ9.0±0.5

0.14±0.03

0.06±0.02

28×115×118

30

2.7

15.png

8.0±1

≤500

15000±30%

Cu

φ12.0±0.2

φ9.0±0.5

0.2±0.03

0.12±0.02

28×115×118

20

 

15.png

4.0±0.7

≤500

28000±30%

Cu

φ15.0±0.2

φ12.0±0.5

0.14±0.03

0.08±0.02

30×120×115

20


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