Shenghui Electronic

Product Overview: The Industry-Leading High-Power, Waterproof Audio Alert Solution

Engineered for the most demanding environments, the 9Vp-p 4KHz 100dB Waterproof SMD Piezo Buzzer sets a new standard for rugged and reliable audible signaling. This professional-grade waterproof piezo buzzer delivers an exceptionally loud 100dB alert with a penetrating 4KHz tone, designed to cut through high ambient noise. As a robust 9v piezo buzzer, it is built to withstand harsh conditions, featuring a true IP67-rated waterproof SMD Piezo Buzzer construction that protects against dust and temporary immersion. This makes it the ultimate waterproof piezo buzzer for outdoor, industrial, and automotive applications where uncompromising performance and environmental resilience are non-negotiable.

Product Advantages

Extreme Sound Output for Noisy Environments

This 9v piezo buzzer generates a powerful 100dB sound pressure level, one of the highest available in a compact SMD format. This extreme volume ensures alerts are heard clearly in industrial settings, outdoor locations, or any high-noise environment, making it a superior waterproof piezo buzzer for critical warnings.

True IP67 Waterproof and Dustproof Protection

With a certified IP67 rating, this SMD Piezo Buzzer is completely protected against dust ingress and can withstand temporary immersion in water up to 1 meter for 30 minutes. This resilience guarantees reliable operation in rain, wash-down conditions, or humid settings where a standard 9v piezo buzzer would fail.

High-Voltage 9Vp-p Drive for Maximum Loudness

The 9v piezo buzzer specification is key to its high output. Operating at 9Vp-p allows the piezoelectric element to be driven with greater energy, directly translating into the impressive 100dB acoustic performance, a defining feature of this high-power waterproof piezo buzzer.

Ruggedized SMD Construction for Harsh Conditions

Unlike standard SMD buzzers, this 100db piezo buzzer model is built with reinforced seals and robust materials to survive thermal cycling, vibration, and mechanical stress. This durable construction ensures the SMD Piezo Buzzer maintains its waterproof integrity and performance over a long product lifespan in tough applications.

Automated Assembly Compatible

Despite its rugged build, it is designed for standard SMT (Surface Mount Technology) processes. The package is compatible with automated pick-and-place equipment, allowing for reliable, high-volume manufacturing of products that incorporate this professional waterproof piezo buzzer.

Product Applications

This ultra-loud and rugged waterproof piezo buzzer is engineered for extreme-duty applications:

• Outdoor & Automotive Electronics: Vehicle telematics, motorcycle alarms, RV systems, marine equipment, and agricultural machinery alerts.

• Industrial Automation & Safety: Factory machine alarms, outdoor HMI panels, hazard warning systems, and equipment in wash-down areas (food processing, pharmaceuticals).

• Security & Public Safety: Outdoor alarm sirens, security lights with integrated sounders, and public address system peripherals.

• IoT for Harsh Environments: Solar-powered monitoring stations, remote environmental sensors, and asset trackers exposed to the elements.

• Consumer Durables: High-end outdoor appliances, electric vehicle charging stations, and premium garden equipment.

Company Advantages: Shenghui Electronic

Specialist in Ruggedized Acoustic Solutions

As a leading manufacturer, Shenghui Electronic has specialized expertise in developing sealed and robust components like this IP67 waterproof piezo buzzer. Our engineering focus ensures that high-performance SMD Piezo Buzzer products can thrive in challenging real-world conditions.

Advanced Sealing Process & Rigorous Testing

We employ specialized manufacturing and sealing techniques to achieve and verify the IP67 rating. Every batch of this 9v piezo buzzer undergoes strict environmental testing, guaranteeing that the waterproof piezo buzzer you receive meets the promised protection standard.

Certified Manufacturer for Quality-Critical Industries

Our ISO9001-certified quality management system, combined with IP rating certifications, makes us a qualified supplier for automotive, industrial, and safety-critical applications where component failure is not an option for a 9v piezo buzzer.

Full Engineering Support for Integration

We provide comprehensive technical data and support for integrating this high-voltage SMD Piezo Buzzer, including drive circuit recommendations for the 9Vp-p operation. Our team can assist in developing customized waterproof piezo buzzer solutions for unique application challenges.

Scalable Production of Rugged Components

Leveraging our dedicated production lines for specialized components, we offer reliable volume manufacturing. We provide competitive factory-direct pricing for this high-specification waterproof piezo buzzer, ensuring a steady supply for your demanding production needs.

What Our Customers Say

• Engineering Director, Heavy Machinery OEM:"We needed a siren for our outdoor machinery that could withstand rain, dust, and vibration. This IP67 waterproof piezo buzzer from Shenghui was the only SMD part that met our specs. The 100dB output is phenomenal, and we've had zero failures in the field."

• Procurement Lead, Automotive Telematics Firm:"Finding a truly waterproof, loud 9v piezo buzzer that fits our automated assembly was a challenge. Shenghui delivered. Their SMD Piezo Buzzer performs flawlessly in our harsh in-vehicle environment, and their quality consistency is excellent."

• Product Manager, Outdoor Security Company:"The loudness and build quality of this waterproof piezo buzzer are top-tier. It allowed us to make our outdoor alarm slimmer without sacrificing performance or weatherproofing. Shenghui's technical support during the design phase was invaluable."

Frequently Asked Questions (FAQ)

Q1: What does the IP67 rating mean, and how is it tested?

A: IP67 is an international standard for ingress protection. The "6"means it is completely dust-tight. The "7"means it can withstand temporary immersion in 1 meter of water for 30 minutes. As a manufacturer, Shenghui tests this waterproof piezo buzzer in controlled conditions to verify it meets this standard, ensuring the SMD Piezo Buzzer is sealed against these environmental threats.

Q2: This is a 9Vp-p buzzer. How do I drive it from a common 12V or 5V system?

A: This 9v piezo buzzer requires a 9Vp-p square wave signal for optimal performance. If your system uses a different voltage (e.g., 12V), you can use a simple voltage regulator or a resistor divider to create a 9V supply rail for the driver circuit. The buzzer itself is driven by a transistor switch (NPN/MOSFET) controlled by a microcontroller. The transistor switches the 9V to the buzzer. We can provide typical application circuits for this waterproof piezo buzzer.

Q3: Can the buzzer be wave-soldered, and what is its operating temperature range?

A: Yes, this SMD Piezo Buzzer is designed to withstand standard reflow soldering profiles. Due to its sealed construction, it is also generally compatible with selective wave soldering processes, but please consult our datasheet for specific thermal profile guidelines. The standard operating temperature range for this rugged 9v piezo buzzer is typically -20°C to +70°C, with extended ranges available for customization.

Part Number：P22110SM-25C-9V-4000-F

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