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Miniature Piezo Transducer with Flying Leads
This piezo transducer is able to generate a range of audible tones and frequencies when energised by a 12V peak square wave. Provided it is mounted rigidly in the prescribed manner, outputs of up to 80dB can be achieved.
- Flying leads
- Requires drive circuit
- PCB mounting
- Ideal for toys, clocks and watches, calculators and electronic games, using the transducer in place of a speaker
- Suitable for use in professional, commercial and industrial applications.
- Durable in domestic appliances
- Available in 12.5, 23 and 30mm diameter options
Note: Not suitable for speech and music.
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Price per unit
| Order code | 35-045 | 35-0046 | 35-0047 |
| Rated voltage | 12V peak to peak | 12Vpeak to peak | 12V peak to peak |
| Allowable voltage max. | 25V peak to peak | 30V peak to peak | 30V peak to peak |
| Current consumption | 2mA at 4.0KHz | 3mA at 4.0KHz | 8mA at 4.0KHz |
| Sound output | 75dB | 80dB | 80dB |
| Frequency | 4.0 4± 0.5KHz | 4.0 4± 0.5KHz | 3.6 4± 0.5KHz |
| Housing material | ABS / black | ABS / black | ABS / black |
| Weight | 1.3g | 1g | 3g |
| Operating temperature | -20°C to +60°C | -20°C to +60°C | -20°C to +60°C |
| Storage temperature | -30°C to +70°C | -30°C to +70°C | -30°C to +70°C |
Question by
Graham
| Product code: 35-0046
24 January 2013
Q
I'm looking to replace the uncased piezo transducer provided with the Genie Project Kit with one from which I can get more volume. Any suggestions?
A
Hi Graham. Thank you for your question. The sounder can be made louder by sticking it to a box or flat plastic sheet to act as a sounding board.The volume is mainly limited by the supply voltage to the genie which cannot exceed 5v.
If you add a 500R resistor or 1K in parallel with the piezo this will make it a bit louder. To get LOUD volume you would need to use an amplifier between the gene and a bigger speaker or larger Piezo.