HCM1203UX

RYD HCM1203UX is an Active Electromagnetic Buzzer operating at 3V DC with 85dB continuous tone output and 12mm diameter. 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 without additional drive IC or timing components. Suited to equipment where simplified wiring and instant-on alert function are design priorities, including consumer electronics, industrial control panels, and smart home devices. Manufactured under RYD ISO9001 quality system using RoHS compliant materials. Customization available: operating voltage, connection method, ingress protection level, and new model development for volume orders.