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The 12V Loud SMD piezo buzzer is a surface-mount electronic sound component designed to generate high-decibel alert tones in various applications. With its piezoelectric technology, this 12v piezo buzzer delivers superior performance compared to electromagnetic alternatives while maintaining a compact form factor suitable for automated PCB assembly processes.
12V piezo buzzers feature low power consumption, typically drawing less than 12mA at rated voltage, making them suitable for battery-powered devices. With capacitance ratings of approximately 12,000-15,000pF at 120Hz, these components respond quickly to input signals while maintaining stable operation.
The active piezo buzzer variants contain built-in oscillation circuits, requiring only a simple DC power supply to generate sound. Passive versions require an external drive circuit but offer greater control over tone frequency and pattern. Both types maintain consistent performance across their specified operating temperature range of -40°C to +85°C, ensuring reliability in various environmental conditions.
High-Decibel Performance (90dB): Tuned to a sharp 4kHz frequency, 12v piezo buzzer 22mm produces a high-intensity signal that cuts through industrial machinery noise and outdoor environments.
12Vp-p Optimized Drive: Engineered for 12V systems, offering maximum SPL (Sound Pressure Level) with minimal power draw compared to traditional electromagnetic sirens.
SMT-Ready for High Volume: The 22mm SMD footprint is designed for automated Pick-and-Place assembly, 22mm buzzer featuring heat-resistant housing that withstands lead-free reflow soldering temperatures.
Robust & Compact Design: With a height of only 7.0mm, 12v piezo buzzer 22mm provides high-power sound without the bulk of traditional bolt-on alarms, allowing for sleeker enclosures.
Automotive Systems: ADAS lane departure warnings, reverse parking sensors, and dashboard alerts.
Industrial Controls: Conveyor belt start-up alarms, CNC machine error signals, and control panel feedback.
Security & Safety: Fire alarm peripherals, smart gate entry systems, and high-decibel leak detectors.
Home Appliances: High-end washing machines, ovens, and HVAC system fault alerts.
Part Number：P22070SM-19C-12V-4000-F
12v piezo buzzer SPECIFICATIONS:
Rated Voltage (Vp-p) | 12.0 |
Operating Voltage (Vp-p) | 2~30 |
Rated Current (mA) | MAX.7.0 |
Sound Output at 10cm (dBA) | MIN.90 |
Static Capacitance At 1KHz (pF) | 19000 ± 30% |
Resonant Frequency (Hz) | 4000 |
Operating Temperature (℃) | -30～+70 |
Storage Temperature (℃) | -40～+80 |
Housing material | PPS |
Weight (g) | 2.7 |
DIMENSION:
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