SMD-22D12. Component family: piezoelectric chip. External thickness [mm]: 7mm. Manufacturer's product group: SMD. Max temperature: +70°C.. Outside diameter [mm]: 22mm. Resonance frequency: 4kHz. RoHS: yes. Sound pressure [dB @ mm]: 90dB @ 10 cm. Type of circuits: piezo. [V]: +25V. Original product from manufacturer: Ekulit. Quantity in stock updated on 13/11/2025, 14:54