Electro-Magnetic Sound Generators HCS09R Series 3 Digits Date Code 0.15 1.5 5.5 03R + JL XXX 8.5 1.5 5.5 8.5 4.0 Sound Port Dimension JL World Unit : mm Tolerance : ±0.3mm Frequency Response Applied Voltage : 3.0V, 50% Duty Square Wave Measuring Distance : 10cm Specification (all data taken at 25°C unless otherwise specified) Model HCS0903R 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 2~4 £ 80 16 ± 2 ³ 87 2700 -30 ~ +70 -40 ~ +85 H Value Applying Rated Voltage, Rated Frequency, 50% Duty Square Wave www.jlworld.com