Electro-Magnetic Sound Generators HCS08D Series Sound Port 0.15 2.5 7.5 1.3 4.9 HCS0803D JL XXX 7.5 + 1.3 0.5 4.9 2.5 3 Digits Date Code Dimension JL World Unit : mm Tolerance : ±0.3mm Frequency Response Applied Voltage : 3.6V, 50% Duty Square Wave Measuring Distance : 10cm Specification (all data taken at 25°C unless otherwise specified) Model HCS0803D Rated Voltage (V) Operating Voltage (V) HRated Current (mA) Coil Resistance (W) HSound Output at 10cm (dB) Rated Frequency (Hz) Operating Temperature (°C) Storage Temperature (°C) 3.6 2.5 ~ 4.5 £ 100 15 ± 3 ³ 85 2900 -40 ~ +85 -40 ~ +85 H Value Applying Rated Voltage, Rated Frequency, 50% Duty Square Wave www.jlworld.com