SFM-27 Piezo Buzzer Alarm 3-24VDC 95dB 30x15mm
Prices updated: 13 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
 Makers Electronics | SFM-27 Piezo Buzzer Alarm 3-24VDC 95dB 30x15mm | 22 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 22 EGP
About this product
The SFM-27 is an active piezoelectric buzzer alarm that runs on 3–24 VDC and produces a continuous 95 dB tone. Its built-in oscillator means it only needs a DC supply, which suits alarms, notifications and equipment alerts.
Specifications
- Type
- Active piezo buzzer alarm
- Operating voltage
- 3–24 VDC
- Sound level
- 95 dB
- Tone
- Continuous
- Dimensions
- 30 × 15 mm
Frequently asked questions
What is the price of SFM-27 Piezo Buzzer Alarm 3-24VDC 95dB 30x15mm in Egypt?
SFM-27 Piezo Buzzer Alarm 3-24VDC 95dB 30x15mm currently costs 22 EGP in Egypt.
Where can I buy SFM-27 Piezo Buzzer Alarm 3-24VDC 95dB 30x15mm in Egypt?
SFM-27 Piezo Buzzer Alarm 3-24VDC 95dB 30x15mm is available from Makers Electronics. Compare the offers above to find the best price.
How should I connect the power leads?
Connect the positive lead to the supply and the negative lead to ground, following the markings on the part. Reversing the polarity may damage the buzzer, so check the datasheet before wiring.
Can I drive it directly from a microcontroller pin?
For low current draw, a microcontroller output can switch it on and off. If the buzzer's current exceeds the pin's rating, use a transistor or MOSFET driver powered from the buzzer's supply voltage.
