specification (all data taken at 25c unless otherwise specified) value applying rated voltage, rated frequency, 50% duty square wave h electro-magnetic sound generators www.jlworld.com jl world rated voltage (v) 3.6 operating voltage (v) 2.5 ~ 4.5 h rated current (ma) 100 coil resistance ( ) 15 3 w h sound output at 10cm (db) 3 85 rated frequency (hz) 2900 operating temperature (c) -40 ~ +85 storage temperature (c) -40 ~ +85 modelHCS0803D dimension unit : mm tolerance : 0.3mm frequency response applied voltage : 3.6v, 50% duty square wave measuring distance : 10cm hcs08d series 7.5 7.5 4.9 4.9 + HCS0803D xxx jl 3 digits date code 0.15 0.5 2.5 2.5 sound port 1.3 1.3
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