Model no.Yr7530a Oscillation frequency (hz)2700 Operating voltage (vo-p)2.0 ~4.5 Rated voltage (vo-p)3 Current consumption(ma/max.)90 at rated voltage Sound pressure level (db/min.)82 at 10cm at rated voltage Coil resistance (¦¸)15 ¡à 3 Operating temperature (¡æ)20 ~ +60 Storage temperature (¡æ)30 ~ +80 Dimension (mm)L 7.5 ¡á w 7.5 ¡á h 3.0 Model no.Yr7530a Oscillation frequency (hz)2700 Operating voltage (vo-p)2.0 ~4.5 Rated voltage (vo-p)3 Current consumption(ma/max.)90 at rated voltage Sound pressure level (db/min.)82 at 10cm at rated voltage Coil resistance (¦¸)15 ¡à 3 Operating temperature (¡æ)20 ~ +60 Storage temperature (¡æ)30 ~ +80 Dimension (mm)L 7.5 ¡á w 7.5 ¡á h 3.0