Electro-Magnetic Sound Generators HCS09U Series 8.5 (+) 1.5 3.0 1.5 1. 6 Dummy (-) 1 9. 8.5 + HCS0903U JL XXX dB Dummy 0.15 90 80 Dimension 70 Unit : mm Tolerance : ±0.3mm 60 JL World 500 1K 2K 3K 5K Hz 10K Frequency Response Applied Voltage : 3V, 50% Duty Square Wave Measuring Distance : 10cm Specification (all data taken at 25°C unless otherwise specified) Model HCS0903U 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 2~5 £ 110 16 ± 2.4 ³ 86 2731 -40 ~ +85 -40 ~ +85 H Value Applying Rated Voltage, Rated Frequency, 50% Duty Square Wave www.jlworld.com