PT1240MHQ. Component family: piezoelectric chip. External thickness [mm]: 3mm. Manufacturer's product group: PT. Max temperature: +100°C.. Outside diameter [mm]: -. Resonance frequency: 4kHz. RoHS: yes. Sound pressure [dB @ mm]: 75dB @ 10 cm. Type of circuits: piezo. [V]: +25V. Original product from manufacturer: Hitpoint. Quantity in stock updated on 13/11/2025, 14:54