Mataji Electronics

 the HYDZ 12mm buzzer is a compact and versatile active buzzer, available in 5V and 12V versions, suitable for various electronic projects requiring a clear and loud audio alert. 

HXD produces 12mm buzzers, commonly used as sound indicators in various electronic devices. These small, round buzzers are typically piezoelectric or electromagnetic and are commonly designed for PCB mounting (through-hole or SMD).

A 12V piezo buzzer is an electronic component that produces sound using the piezoelectric effect. This effect involves certain materials (like the piezoceramic disk used in these buzzers) generating an electrical charge when mechanically stressed and deforming when an electrical signal is applied. In piezo buzzers, applying an alternating electric field causes the piezoelectric material to rapidly vibrate, producing sound.

The Goli Buzzer HXD is a type of electronic buzzer, specifically an electromagnetic or piezo buzzer, widely used in various electronic applications requiring audible alerts. "Goli Buzzer" is a common term for small, round buzzers, often referring to active buzzers that produce sound when a DC voltage is applied directly to their terminals. The "HXD" likely refers to the manufacturer or a specific model of these buzzers

A piezo buzzer is a type of electronic sound-generating device that uses the piezoelectric effect to produce sound. Piezoelectricity is a phenomenon where certain materials generate an electric charge when subjected to mechanical stress, or conversely, deform when an electric charge is applied. This principle allows piezo buzzers to convert electrical energy into mechanical vibrations, which then generate audible sound waves

 Specific features and performance may vary depending on the manufacturer and model. Always refer to the product datasheet for the most accurate information about a particular THDZ buzzer.