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Audio Indicator and Alerts Transducer Piezo 1.5mA 15VAC Wire Lead

TV4: VELLEMAN INC. View Larger Image
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VELLEMAN INC.
Jameco Part no. 1956784
Manufacturer VELLEMAN INC.
Manufacturer no. TV4
  RoHS compliant
Catalog 142 , page 78
Pricing & Availability

$3.25

# of Unit Price
1+ $3.25
10+ $2.95
100+ $2.75
500+ $2.49
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The piezoelectric ceramic buzzer has a simple structure in which a ceramic piezo-element is glued to a vibration plate. The piezoceramic element expands or shrinks diametrically when an alternating voltage is applied. This characteristic is used to bend the vibration plate, which generates sound. The acoustic generating method can be subdivided roughly into the self-drive oscillation method and the external drive oscillation method. The former yields the lowest impedance on the acoustic generator and produces sound through the oscillator circuit's positive feedback. This allows the creation of sound pressure using a simple circuit. The external drive oscillation method uses a fixed frequency and produces sound through the oscillator.

Specifications:
  • tone type: piezo speaker
  • operating voltage: 30V AC
  • rated voltage: 15V AC
  • current consumption: 1.5mA
  • resonant frequency: 0.5-20 ± 0.5kHz
  • sound pressure level: 75dB
  • connector type: leads
  • body color: metal
  • weight: 3g


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Specification Value
Maximum Resonant Frequency20000
Frequency Range500Hz to 20000Hz
Maximum Sound Pressure75dB
Operating Supply Voltage-Max (V)30
Input Voltage-Nom (V)15
Termination MethodWire Lead
MountingPanel Mount
Width (mm)1.524
Diameter (mm)50.038
Specification Value
Product TypeAudio Indicator and Alerts
Height (mm)1.524
Frequency (Hz)4000
Sound (dB)75
FamilyTV4
TypeTransducer
TechnologyPiezo
Tone ModePiezo Speaker


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