Electrical Specifications: Type Unit SMT-5517A-03040 Rated Voltage V 3 Operating Voltage V 2~ 4 * Rated Current (Max) mA 110 * Min sound output at 10cm dB 75 * Resonant Frequency Hz 4000Hz Coil Resistance Ω 12±3 Operating Temperature ℃ -20 ~ +70 Storage Temperature ℃ -30 ~+85 Housing material/Color LCP / Black Weight 0.5g Dimension: Frequency curve: Previous: Piezo Transducer EPT-17B2009P 17×9.0mm Next: SMD piezo transducer SPT-1460A-05040 14x14x6.0mm
https://www.sancobuzzer.com/smd-buzzer/