weight (g) 1.5 operating temperature (c) -20 ~ +105 operating voltage (vp-p) 1 ~ 30 specification (all data taken at 25c unless otherwise specified) h value applying rated voltage, rated frequency, 50% duty square wave piezo sound generators HPA22D www.jlworld.com unit : mm tolerance : 0.3mm dimension h sound output at 10cm (db) 90 3 rated voltage (vp-p) 10 h rated current (ma) 3 h rated frequency (hz) 4000 500 storage temperature (c) -30 ~ +105 HPA22D jl world capacitance (nf) 15 30% frequency response applied voltage : 10vp-p,50% duty square wave measuring distance : 10cm 70 80 90 100 500 1k 2k 3k 5k 10k 20k hz db ?22.0 sound port 3.3 7.4 0.8 100.5 4.0 12.0 ?1.0
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