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Audio Indicator and Alerts Transducer Piezo 1.5mA 15VAC Wire Lead
| Jameco Part no. 1956784 | |
|---|---|
| Manufacturer | VELLEMAN INC. |
| Manufacturer no. | TV4 |
| RoHS compliant | |
| Catalog 132 , page 172 | |
- Data Sheet (current) [11 KB ]
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:
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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 Operating Supply Voltage | 30VAC |
| Typical Operating Supply Voltage | 15VAC |
| Maximum Supply Current | 1.5mA |
| Termination Method | Wire Lead |
| Product Depth | 1.524mm |
| Product Diameter | 50.038mm |
| Product Type | Audio Indicator and Alerts |
| Product Height | 1.524mm |
| Specification | Value |
|---|---|
| Family | TV4 |
| Type | Transducer |
| Technology | Piezo |
| Tone Mode | Piezo Speaker |
| Maximum Resonant Frequency | 20000Hz |
| Frequency Range | 500Hz to 20000Hz |
| Maximum Sound Pressure | 75dB |
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