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TMB12A03 Active Buzzer
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SKU
SEN-17-076
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PC Motherboard Alarm Buzzer Speaker Previous 
TMB12A03 Active Buzzer is a sound output component for alert and signal applications. It produces sound with steady DC power and is suitable for simple on/off control. This active buzzer is identified by the TMB12A03 model and provides a resonant frequency of 500 ± 2300 Hz. It supports selectable 3V, 5V, and 12V voltage options, with a working voltage range of 2.5 to 4 V. The sound output starts from a simple drive signal, making it a practical electronics and robotics module for basic audio indication.
Features of TMB12A03 Active Buzzer - 3V, 5V, 12V
- Active buzzer output
- Steady DC sound generation
- Selectable 3V, 5V, 12V support
- Simple control signal operation
- Minimum 82 dB sound output
Specifications of TMB12A03 Active Buzzer - 3V, 5V, 12V
- Model: TMB12A03
- Product Type: Active Buzzer
- Allowed Voltage: 3V, 5V, 12V
- Working Voltage: 2.5 to 4 V
- Allowed Current: 35 mA
- Sound Output: Minimum 82 dB
- Resonant Frequency: 500 ± 2300 Hz
How to Use TMB12A03 Active Buzzer - 3V, 5V, 12V
- Connect the buzzer to the circuit.
- Apply a supported voltage within the specified range.
- Drive the buzzer with a control signal to produce sound.
More Info
- Active buzzer type
- Designed for alarm, timer, and indicator applications
| Driver Type | Electromagnetic |
|---|---|
| Resonant Frequency | 2300 ± 500 Hz |
| Sound Level | Min 82 dB |
| Frequency Response | 2300 ± 500 Hz |
| Speaker Type | Buzzer |
| Diameter (mm) | 12 |
| Operating Voltage (V) | 2.5 to 4 V |
| Mounting Type | THT (Through Hole) |
| Connector | Pin Header |
| Dimensions (mm) | 12 x 9.5 |
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