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机械蜂鸣器 带引线震动 直流 SPECIFICATIONS Model No QSMB-2215 Rated Voltager 12Vp-p Square Wave Max.Allowable Voltage 30Vp-p Square Wave Max.Rated Current 5mA at 3.6KHz/12Vp-p Square Wave Min.Sound Pressure Level 85dB at 3.6KHz/12Vp-p Square Wave /10cm Resonant Frequency 3.6±0.5KHz Operating Temperature -20℃~+60℃ Weight 7g 梅花桩蜂鸣器 厂家** 欢迎洽谈选购