PT-1550WQ. Component family: piezoelectric chip. External thickness [mm]: 4mm. Manufacturer's product group: PT. Max temperature: +70°C.. Outside diameter [mm]: 16mm. Resonance frequency: 5kHz. RoHS: yes. Sound pressure [dB @ mm]: 80dB @ 10 cm. Type of circuits: piezo. [V]: +25V. Original product from manufacturer: Hitpoint. Quantity in stock updated on 11/12/2025, 21:08