This is a pack of 8 electronic piezo buzzers, each with a built-in drive circuit and red and black wire leads. They run on 3–9 V DC, draw up to 7 mA, and produce at least 85 dB at 9 V measured at 30 cm. Each measures about 1.1 x 0.7 in.
Key Features
- 8 buzzers per pack
- Built-in drive circuitry: only DC voltage needed
- Operating voltage 3–9 V DC
- 85 dB minimum at 9 V DC / 30 cm
- Low current: 7 mA max
- Red and black wire leads
Specifications
| Quantity | 8 |
|---|---|
| Type | Piezo audio indicator, built-in driver |
| Operating voltage | 3–9 V DC |
| Current | 7 mA max |
| Sound pressure | 85 dB min at 9 V DC / 30 cm |
| Leads | Red and black wire |
| Dimensions | Approx 1.1 x 0.7 in |
| SKU | 26BZ04PK8 |
What's Included
- 8 x piezo buzzers with wire leads
Ideal For
Classrooms, maker clubs and anyone building several alarm or indicator projects.
Frequently Asked Questions
Do they need a separate oscillator?
No, each has drive circuitry built in, so DC power is enough.
Which lead is positive?
The red lead is normally positive and the black lead negative.