Ultrathin smd piezo buzzer 3v 2mA 2731HZ Piezoelectric smd buzzer low current
Ultrathin smd piezo buzzer 3v 2mA 2731HZ Piezoelectric smd buzzer low current
As this product is not protected from foreign material entering, please make sure that any foreign materials (e.g. magnetic powder, washing solvent, flux, corrosive gas) do not enter this product in your production processes. The functional degradation (e.g. SPL down) may occur if foreign material enter it.
Dimensions Unit: mm
*Unit: mm; Tolerance: ±0.3mmExcept Specified
*Housing Material: Black LCP
*Terminal plate: 2 soldering pads, tin Plating Brass
Measuring conditio
After any following tests the part shall meet specifications without any degradation in appearance and performance except SPL. SPL shall not deviate more than -10 dB from the initial value
| 1 | Resonant Frequency | 4100±500Hz |
| 2 | Operating Voltage | 1~20 Vp-p |
| 3 | Rated Current | Max.5mA ,at 4.1KHz 50% duty Square Wave 5Vp-p |
| 4 | Sound Output at 10cm | Min. 75dB,at 4.1KHz 50% duty Square Wave 5Vp-p |
| 5 | Capacitance | 12000±30%pF at 1KHz |
| 6 | Operating Temperature | -20℃~+70℃ |
| 7 | Store Temperature | -30℃~+80℃ |
| 8 | Net Weight | Approx 0.5g |
| 9 | RoHS | Yes |
Electrical And Acoustical Measuring Condition
Recommended Setting
Frequency Response
5Vp-p 50% duty Square wave,10cm
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