yhe12-st電磁式有源蜂鳴器

品牌 hydz 型號(hào) yhe12
種類 蜂鳴器(片) 
            yhe12
              
            specifications
            type
            unit
            yhe12-01
            yhe12-03
            yhe12-05
            yhe12-09
            yhe12-12
            rated voltage
            v
            1.5
            3
            5
            9
            12
            operating voltage
            v
            1-2
            2-5
            4-8
            7-12
            8-15
            *rated current(max)
            ma
            20
            30
            30
            30
            30
            *min sound output at 10 cm
            db
            75
            80
            85
            85
            85
            *resonant frequency
            hz
            2300±300
            operating temperature
            ℃
            -20～+70
            storage temperature
            ℃
            -30～+105
            weight
            g
            2