mallory sonalert products inc. part # AST1575BMAQ sales outline drawing revision d 4411 south high school road, indianapolis, indiana 46241 usa phone (317) 612 - 1000 fax (317) 612 - 1010 http://www.mallory - sonalert.com specifications: oscillation frequency (hz) 3650 500 operating voltage (vp - p) 1 ~ 30 rated voltage (vp - p) 7.0 current consumption max. (ma) 5 at rated voltage sound pressure level (db/min) 85 at 10cm at rated voltage capacitance (pf) 15,000 30% at 120 hz operating temperature (c) - 30 ~ + 85 storage temperature (c) - 40 ~ +8 5 type of connection terminal smd housing pps plastic resin (color : black) weight (grams) 1.9 condition by reflow soldering (c) 2 55 5 / within 5 sec condition by hand soldering (c) 350 20 / within 5 sec options for other options contact factory dimensions: (units: mm) r ohs compliant packaging: parts are supplied on cut - tape . units do not come with wash label and are not appropriate for aqueous wash.
ast 1 575bmaq & ast1576bmatrq direct drive transducer operation : direct drive t ransducer devices do not have any included dc circuitry, so the user mus t apply a sine or square wave with the appropriate rated frequency. a square wave will typically re sult in more sound level than a sine wave . the higher the peak - to - peak voltage applied (up to the maximum rated voltage), the hig her the resulting sound level. frequency response :
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