
Buy Best Quality Sfm 27 3 24v Piezo Active Buzzer Alarm Beep Tone at Best Price in Bangladesh
- Country of Origin: China
- Number of Pieces: 1 Pc
পণ্য বিবরণী ও স্পেসিফিকেশন
পণ্য সারসংক্ষেপ (Summary)
The SFM-27 3-24V Piezo Active Buzzer emits a 95dB continuous beep for immediate audible signaling. With a wide 3-24V DC range, it integrates directly into security systems or DIY projects. Low 12mA power consumption makes it efficient for battery-powered electronics. Key Features 3-24V DC Input: Wide operating window for multiple power sources. Fits standard battery and logic level voltages easily. 95dB Sound Output: High-intensity beep tone for clear signaling. Cuts through ambient noise in industrial or outdoor settings. 12mA Current Draw: Low power consumption during active states. Preserves battery life in portable security devices. Internal Drive Circuit: Direct DC power compatibility. Simplifies integration by removing the need for external oscillators. Thermal Resistance: -20 to +80°C operating temperature range. Withstands heat inside electrical panels during local load shedding. Frequently Asked Questions How to connect SFM-27 buzzer to Arduino? Attach the red lead to a digital output pin and the black lead to the ground. Code the pin to HIGH to trigger the continuous 95dB alarm. What is the sound level of SFM-27 buzzer? This model outputs 95dB of sound pressure at rated voltage. It remains audible over heavy machinery or loud ambient environments.
























