PIEZO SOUND GENERATORS Dimension Unit : mm Tolerance : ±0.3mm 9.0 ø0.8 HPA23DX Characteristics Response 19.0 ø23.0 15.0 + 6.0 Measuring Temperature : 25°C Measuring Distance : 30cm mA JL World dB 95 15 90 10 5 85 18 20 22 24 26 28 30 V 18 20 22 24 26 28 30 V HPA23DX Specification (all data taken at 25°C unless otherwise specified) Rated Operating HRated HSound Output HGenerated Current Voltage Voltage at 30cm Frequency (mA) (dB) (VDC) (VDC) (Hz) 24 20 ~ 28 £ 15 ³ 88 3100 ± 500 Operating Temperature (°C) Storage Temperature (°C) Weight (g) -20 ~ +60 -30 ~ +70 8 HValue Applying Rated Voltage, DC www.jlworld.com