This piezo buzzer is 23mm in diameter and has 30mm spaced mount holes. Supplied with a 100mm lead it is designed for 3 - 20V,it produces a 3kHz tone at an 85dB level at 30cm.
Speciffications:
Operation Voltage: 3-24V DC
Current: <15mA
SPL: 85dBA/10cm
Frequency: 3,300Hz
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