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SMD Buzzer 4x4x2mm top fired

SMD Buzzer 4x4x2mm top fired

Electrical Specifications: Type Unit SMT-4020A-03040   Rated Voltage V 3   Operating Voltage  V 2~ 4 * Rated Current (Max)  mA 90 * Min sound output at 10cm  dB 70 * Resonant Freque…