PK-12N40PAQ. Component family: Piezo transmitter (buzzer) with built-in oscillator. External thickness [mm]: 8mm. Manufacturer's product group: PK. Max temperature: +70°C.. Outside diameter [mm]: 14mm. Resonance frequency: 4.1kHz. RoHS: yes. Sound pressure [dB @ mm]: 83dB @ 10 cm. Type of circuits: piezo. [V]: +15V. Original product from manufacturer: Hitpoint. Quantity in stock updated on 12/11/2025, 21:08