Electro-Magnetic Sound Generators HCM25B Series 4.5 10.2 ø24.7 Masking Label ø0.8 dB Sound Port 0.50 12.0 3.0 Epoxy Resin 90 80 Dimension 70 Unit : mm Tolerance : ±0.3mm 60 Hz JL World 500 1K 2K 3K 5K 10K Frequency Response Applied Voltage : 6V, 50% Duty Square Wave Measuring Distance : 10cm Specification (all data taken at 25°C unless otherwise specified) Model HCM2505B HCM2506B HCM2512B 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) Weight (g) 5 6 12 3~7 3~7 8 ~ 14 £ 75 £ 75 £ 55 33 ± 5 36 ± 5 120 ± 12 ³ 85 1000 ~ 1500 -40 ~ +85 -40 ~ +85 10 H Value Applying Rated Voltage, Rated Frequency, 50% Duty Square Wave www.jlworld.com