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Piezo Ceramic Ring with Silver electrodes on both sides, main application is for Ultrasonic welding.
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The piezoelectric ceramic sensor is used for ultrasonic beauty film with a diameter of 16mm, a resonance frequency of Fs 5±7%MHz, and a material of 0.41mm thickness. PZT4 has two electrodes on one side.
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95dB Ultrasound Piezo Speaker

This piezo speaker is an ultrasonic transmitter rat repellent.
The ultrasonic wave (over 20khz) can effectively stimulate and cause rats to feel threatened and uneasy and force them to migrate automatically. Piezo ultrasonic speaker repellent repels mosquitoes, spiders, rats, cockroaches, bats, etc.
Availability:
  • KDS-38P-20A
  • KD
  • 37.8mm*12.5mm
  • 95dB min.at 20kHz
  • 4.0 kHz~40.0 kHz

■ Data Sheet

No.

Model No.

KDS-38P-20A

1

Sound Pressure Level

95dB min. at 20kHz 1.0Vrms   Sine Wave/10cm

2

Resonant Frequency

4.0 kHz~40.0 kHz

3

Static Capacitance

115nF±30% at 100Hz

4

Max. Input Voltage

20.0 Vrms

5

Operating Temperature

-20℃~+60℃

6

Storage Temperature

-30℃~+70℃

7

Case Material

ABS (Black)

8

Weight        

3.6 g

■ Frequency Response    KDS-38P-20A frequency curve                        ■ Dimension Drawing

KDS-38P-20A 尺寸图


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   Silvia Shen
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