Piezo Buzzer
The piezo buzzer main structure has a piezo element and built-in oscillation source. Its advantages are simple structure; it is suitable for designs that require high sound pressure level (SPL) and low current consumption. However, a larger size is needed if a higher sound pressure level is required. Several models are available in many tones for applications such as alarm, anti-theft, and reversing. In addition, various terminals are available, such as SMT, pin, and wire.
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| Model No | Size (mm) | Operating Voltage (Vdc) | Rated Voltage (Vdc) | Current (mA) | S.P.L. (dBA) | Freq. (Hz) | Tone | Terminal | Housing | Datasheet |
|---|---|---|---|---|---|---|---|---|---|---|
| 36.3 x 36.3 x 31.5 | 6 ~ 28 | 24 | 20 | 90 | 2900 | Single | Plate | ABS | ||
| 36.3 x 36.3 x 31.5 | 6 ~ 28 | 12 | 20 | 85 | 2900 | Slow Pulse | Plate | ABS | ||
| 36.3 x 36.3 x 31.5 | 6 ~ 28 | 24 | 20 | 90 | 2900 | Slow Pulse | Plate | ABS | ||
| 30 x 30 x 26 | 6 ~ 18 | 12 | 100 | 85 | 1900 ~ 2900 | Siren | Wire | ABS | ||
| 30 x 30 x 15 | 3 ~ 24 | 12 | 20 | 90 | 3300 | Single | Wire | ABS | ||
| 32 x 32 x 14 | 3 ~ 24 | 12 | 10 | 90 | 3900 | Single | Wire | ABS | ||
| 39.5 x 39.5 x 22 | 8 ~ 15 | 12 | 10 | 90 | 3300 | Single | Wire | ABS | ||
| 25.6 x 25.6 x 16 | 5 ~ 15 | 12 | 35 | 80 | 3000 | Single | Wire | ABS | ||
| 25.6 x 25.6 x 16 | 6 ~ 16 | 12 | 35 | 85 | 2800 | Single | Wire | ABS | ||
| 54 x 54 x 47 | 6 ~ 15 | 12 | 130 | 90 | 1500 ~ 3500 | Siren | Wire | ABS | ||
| 54 x 54 x 47 | 10 ~ 28 | 24 | 150 | 95 | 1500 ~ 3500 | Siren | Wire | ABS | ||
| 41.4 x 37.8 x 26 | 5 ~ 28 | 12 | 18 | 90 | 3000 | Single | Plate | ABS | ||
| 41.4 x 37.8 x 26 | 5 ~ 28 | 24 | 35 | 105 | 3500 | Single | Plate | ABS | ||
| 41.4 x 37.8 x 26 | 5 ~ 28 | 12 | 18 | 90 | 3000 | Fast Pulse / Single | Plate | ABS | ||
| 41.4 x 37.8 x 26 | 5 ~ 28 | 24 | 35 | 105 | 3500 | Fast Pulse / Single | Plate | ABS | ||
| 45 x 40 x 59 | 9 ~ 15 | 12 | 130 | 95 | 1500 ~ 3500 | Siren | Wire | ABS | ||
| 45 x 40 x 59 | 12 ~ 25 | 24 | 100 | 100 | 1800 ~ 3500 | Siren | Wire | ABS | ||
| 61.8 x 56.5 x 84.5 | 6 ~ 15 | 12 | 200 | 110 | 800 ~ 2000 | Siren | Wire | ABS | ||
| 54 x 54 x 59 | 6 ~ 15 | 12 | 160 | 105 | 2600 | Slow Pulse | Wire | ABS | ||
| 83.5 x 53.5 x 32 | 9 ~ 15 | 12 | 120 | 92 | 2600 ~ 2800 | Two Tone | Wire | ABS |


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