
SFM27-I Active Piezo Buzzer 3-24V DC 30x15mm Continuous Tone
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
Microohm | Active Buzzer 3–24V DC SFM27-I | Continuous Sound | 30x15mm Piezoelectric | 22 EGP32 | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 22 EGP
About this product
The SFM27-I is a piezoelectric active buzzer that produces a continuous tone when powered from 3 to 24V DC, with a stated sound output above 95dB. Its compact 30×15mm body suits alarms, alerts and embedded electronics.
Specifications
- Model
- SFM27-I
- Type
- Active piezoelectric buzzer
- Operating voltage
- 3–24V DC
- Sound output
- Over 95dB
- Sound type
- Continuous tone
- Size
- 30×15mm
Frequently asked questions
What is the price of SFM27-I Active Piezo Buzzer 3-24V DC 30x15mm Continuous Tone in Egypt?
SFM27-I Active Piezo Buzzer 3-24V DC 30x15mm Continuous Tone currently costs 22 EGP in Egypt.
Where can I buy SFM27-I Active Piezo Buzzer 3-24V DC 30x15mm Continuous Tone in Egypt?
SFM27-I Active Piezo Buzzer 3-24V DC 30x15mm Continuous Tone is available from Microohm. Compare the offers above to find the best price.
Does it need a PWM or oscillator signal to sound?
No. As an active buzzer it contains its own oscillator, so applying DC voltage within 3–24V is enough to produce the tone.
How should I wire it?
Connect the two leads to the supply according to the markings on the buzzer, with the positive lead to the positive supply and the negative lead to ground, and stay within the 3–24V range.






