10pcs Active Buzzer 3V/5V/12V TMB12A03 TMB12A05 TMB12A12 Magnetic Long Continous Beep Tone 12095 12*9.5mm Mini Plug Speaker

parameter
Makes a sound when powered on
Foot pitch is about 7.6mm
Buzzer activates DC 3V (red mark) - 5V blue mark - 12V black mark
Long tone

Remarks: Wave soldering can be used, and R/TMB12A is the environmental protection product model in this specification.
Working time ≥ 1s Welding temperature: environmental protection ≤ 230 ℃, non environmental protection ≤ 210 ℃; Welding time ≤ 2s
The above data are for reference only.

Product introduction
The buzzer is a kind of pronunciation device, which can convert audio signal into
Sound signal has been widely used in household appliances, alarm systems of banks and public security, electronic toys and game machines. The buzzer is mainly used to prompt or report alarms,
According to different design and use, it can emit different sounds such as music, whistle, buzzer, alarm, bell, etc. In the washing machine, the cricket buzzer of the application makes a beep,
Prompts the user to operate the process. In the application of gas appliances, the buzzer sends out a burning warning sound to the user. As a doorbell application, the buzzer usually makes a "Dong" sound or music,
To remind the guests to come. In terms of public security, the cricket buzzer installed in the home alarm area of the bank will emit a variety of alarm sounds.
In factories and schools, buzzers should be used to emit more electronic ringing tones according to different types of buzzers
The working power supply is also different. Some are connected to DC power, such as car horns, some are connected to AC, and some need to be connected to specific electronic circuits.