SKU: TH1508
The TMB12A05 is a compact round 5V DC active buzzer delivering a loud 2400Hz tone with just 25mA current.
Perfect for alarms, indicators, and DIY projects, it features durable PBT housing and easy PCB mounting.
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The TMB12A05 5V DC Active Buzzer is a small round, high-pitched electromagnetic buzzer for audible signaling in electronic devices. With a working voltage of 5V and sound frequency centered around 2400Hz, it produces a clear and continuous tone when powered.
Its low current consumption of 25mA and small footprint (12mm diameter × 9.5mm height) make it ideal for applications in alarms, toys, timers, and other notification systems.
Housed in a durable black PBT plastic casing, the buzzer features easy PCB mounting with a 7.5mm pin spacing.
Technical details for TMB12A05 5V DC Active Buzzer.
| Specification | Details |
|---|---|
| Model | TMB12A05 |
| Type | Electromagnetic Active Buzzer |
| Operating Voltage | 5V DC |
| Operating Current | 25mA |
| Resonant Frequency | 2400 ± 200Hz |
| Sound Output | Approx. 85-90 dB at 10 cm (typical) |
| Dimensions | 12mm (Dia) × 9.5mm (Height) |
| Pin Spacing | 7.5mm |
| Sound Hole Diameter | 2.5mm |
| Material | Black PBT (Plastic) |
| Mounting Type | Through-hole (PCB) |
| Signal Type | Built-in Oscillator (Active) |
| Input Signal | 5.0Vp-p 50% Duty Square Wave |
| Operating Temperature | Room temperature (graph at 25°C) |
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