HCM0905X

RYD HCM0905X is an Active Electromagnetic Buzzer with Φ9.6×5mm dimensions, 5V DC rated operation, and 80dB continuous tone output at 2700Hz. This Active Electromagnetic Buzzer features a built-in driver circuit that eliminates the need for an external oscillator; a simple two-wire DC connection produces immediate audible output. Operating voltage range is 3–7V DC with 30mA maximum current draw, minimizing power budget impact in always-on monitoring circuits. PBT housing ensures dimensional stability through soldering. Red copper leads with tin plating. Rated −30 to +70°C. Suited to compact consumer electronics, handheld instruments, and dense IoT sensor nodes where 5V compatibility and small through-hole footprint are concurrent constraints. Customization available: waterproof/dustproof rating and lead length adjustment.