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Dedicated to global electroacoustic technology.
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Passive piezo ceramic type, driven by square wave signal
Resonant Frequency: 4000 ±500Hz
Operating Voltage: 1~20 Vp-p
Ultra Low Current: Max 1mA @5Vp-p, 4kHz, 50% duty square wave
Sound Pressure Level: Min.75dB at 10cm
Compact SMD size: 12×3.0mm, lightweight ~0.5g
Housing: Black LCP, high heat resistance for reflow soldering
Terminal: Tin plated brass soldering pads
Wide Temperature Range: -40℃ ~ +80℃ for both operation and storage
RoHS compliant for global electronic products
Item | Specification | Test Condition |
|---|---|---|
Resonant Frequency | 4000±500 Hz | Square Wave |
Operating Voltage | 1~20 Vp-p | - |
Rated Current | Max.1 mA | 5Vp-p, 4kHz, 50% duty square wave |
Sound Output | Min.75 dB @10cm | 5Vp-p, 4kHz, 50% duty square wave |
Capacitance | 15000 ±30% pF | 1kHz, 1V |
Operating Temperature | -40℃ ~ +80℃ | - |
Storage Temperature | -40℃ ~ +80℃ | - |
Net Weight | Approx 0.5g | - |
Housing Material | Black LCP | - |
Terminal Plate | Tin Plated Brass, 2 solder pads | - |
Environmental Standard | RoHS | Yes |
This miniature SMD piezo buzzer fits for audible warning and indication on compact PCBA:
1. Portable electronic devices
2. Sensor & detection modules
3. Wearable electronics
4. Small industrial instruments & controllers
5. Household control panels
6. Compact medical alert equipment
7. IoT modules
Samples available for acoustic and SMT reliability testing
Tape & reel packaging for automatic assembly
Custom options: resonant frequency, pad layout, packaging
Datasheet, RoHS certificate and reliability test report available on request
Q: Is this SMD buzzer active or passive? A: It is passive piezo buzzer. It cannot work on DC directly, square wave signal is required.
Q: Can it pass reflow soldering? A: Yes. LCP housing material is heat-resistant, compatible with standard SMT reflow process.
Q: What is the advantage of this ultra-low current piezo buzzer? A: It saves power, very suitable for battery-powered portable and IoT devices.
