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Model: MES7575020-16 buzzer
Size: 7.5 x 7.5 x 2 mm
Rated Voltage (Vo-p): 3Vp-p
Operating Voltage (Vo-p): 2.5~4.5Vp-p
Rated Current (mA): MAX.90
Sound Output at 10cm (dBA): MIN.82
Coil Resistance (Ω): 16±2
Resonant Frequency (Hz): 4000
Operating Temperature (℃): -30～+70
Storage Temperature (℃): -40～+80
Housing material: LCP
Weight (g): 0.8g
Certification: RoHS, REACH, ISO9001
Price: Factory wholesale price
Origin: China
Elevate your device's user interface with our high-performance 7.5x7.5x2.0mm SMD Magnetic Buzzer. Engineered for applications requiring clear and penetrating audible feedback, this compact SMD buzzer delivers a powerful 82dB alert at 4KHz, making it an ideal loud audio indicator for a variety of electronic products. Designed for seamless SMT (Surface Mount Technology) integration, micro buzzer 3v combines reliable performance with a space-efficient form factor, serving as a versatile and robust electronic alert component for consumer, industrial, and IoT applications.
Enhanced Acoustic Performance in a Compact Size
The optimized 7.5x7.5mm footprint provides a larger internal acoustic chamber compared to smaller models, enabling a significantly higher sound pressure level of 82dB for clearer, more attention-grabbing alerts without a substantial increase in PCB area.
Ideal Balance of Size and Loudness
Offers the perfect compromise between a compact profile and powerful audio output. The 2.0mm low height maintains a slim design, while the increased surface area allows for a louder, more reliable sound that is effective in moderate-noise environments.
Optimized for Automated High-Volume Production
The standard SMD package is designed for compatibility with automated pick-and-place assembly lines, ensuring fast, reliable placement that streamlines manufacturing, reduces manual labor, and lowers overall production costs.
Efficient Low-Voltage Operation
Operating at a low 3Vp-p drive voltage, it is perfectly suited for battery-powered and portable electronics, contributing to excellent power efficiency and helping to maximize the operational life of devices like remote controls, sensors, and handheld tools.
Robust and Dependable Construction
Features a durable magnetic transducer mechanism designed for long-term reliability. The construction ensures consistent performance, high shock resistance, and a long operational lifespan, reducing the risk of field failures.
This versatile and loud SMD magnetic buzzer is designed for a broad spectrum of electronic devices requiring reliable and audible notifications:
Consumer Electronics: Advanced remote controls, smart home hubs, computer peripherals (keyboards, mice), and electronic toys.
Internet of Things (IoT) & Smart Devices: Security sensors, environment monitors, smart locks, asset trackers, and portable data terminals.
Industrial & Commercial Equipment: Handheld scanners, measurement instruments, control panel indicators, and diagnostic tools.
Telecommunications: VoIP phones, network devices, and intercom systems.
Automotive Accessories: Aftermarket security systems, key finders, and compact automotive diagnostic tools.
Nearly Three Decades of Specialized Expertise
As a leading electro-acoustic component manufacturer since 1996, Shenghui Electronic possesses deep, specialized knowledge in designing and manufacturing high-quality micro buzzer 3v, speakers, and microphones for global markets.
Vertical Integration for Quality Assurance
We maintain control over key manufacturing processes, from precision coil winding to final assembly. This enables stringent in-house quality control, ensuring exceptional product consistency, performance reliability, and the flexibility to execute custom OEM/ODM projects.
Trusted Global Supply Chain Partner
Our components are integrated into micro buzzer 3v products by reputable international brands. Our ISO9001-certified management system provides a framework for consistent quality, on-time delivery, and adherence to international standards, making us a reliable partner for complex supply chains.
Comprehensive Technical & Customization Support
Our engineering team offers end-to-end support, from driver circuit design consultation to acoustic tuning. We excel at providing customized buzzer solutions, tailoring specifications like voltage, frequency, SPL, and termination to meet your exact application requirements.
Cost-Effective Manufacturing & Scalable Supply
Leveraging our efficient production base, we offer highly competitive factory-direct pricing on micro buzzer 3v. Our scalable manufacturing capacity and proven logistics ensure a stable, dependable supply of components, capable of supporting orders from prototype samples to high-volume production runs.
Hardware Lead, Smart Home Device Company: "We needed a micro buzzer 3v that was both compact and loud enough to hear across a room. Shenghui's 7.5x7.5mm model with 82dB output was the perfect fit. The sound is clear and consistent, and it integrated flawlessly into our SMT process."
Supply Chain Manager, Electronics Manufacturer: "Reliability in both product and delivery is non-negotiable. We have sourced SMD buzzers from Shenghui for multiple product lines over the years. Their quality is consistently high, and they have proven to be a dependable long-term supplier."
Design Engineer, Industrial Tool OEM: "The balance between size, loudness, and cost for this micro buzzer 3v is outstanding. It provided the audible feedback our tool required without compromising our compact enclosure design. Shenghui's documentation was clear, and sample delivery was prompt."
Q1: What is the resonant frequency of this buzzer, and why is it important?
A: The resonant frequency of this model is 4KHz. This is the natural mechanical frequency at which the buzzer's diaphragm vibrates most efficiently. Driving the buzzer with a square wave signal at or near 4KHz will yield the maximum sound output (82dB) and optimal power efficiency. While it can be driven at other frequencies, the volume and efficiency will decrease.
Q2: Is this an active or passive buzzer? How do I connect and drive it in my circuit?
A: This is a Passive Magnetic Buzzer, meaning it requires an external driving signal. It cannot be connected directly to a DC voltage source or a microcontroller pin. A simple drive circuit is required, typically consisting of a small NPN transistor (e.g., 2N3904) or an N-channel MOSFET. The microcontroller's GPIO pin controls the transistor's base/gate, which switches the buzzer on and off with the 3Vp-p, 4KHz square wave. Please contact us for a standard application circuit diagram.
Q3: Can you provide samples, and what is the process for customizing this product?
A: Yes, we encourage design-in and provide samples for testing and validation. Please contact our sales team to request samples. Regarding customization, as a direct micro buzzer 3v manufacturer, Shenghui Electronic specializes in tailored solutions. We can modify parameters such as operating voltage, resonant frequency, sound pressure level, terminal type, and even slight dimensional adjustments to meet your specific needs. Share your requirements with our engineering team for a feasibility assessment and quote.
Part Number：MES7575020-16R-3V-2731-F
SPECIFICATIONS：
Rated Voltage (Vp-p) | 3.0 |
Operating Voltage (Vp-p) | 2.5~4.5 |
Rated Current (mA) | MAX.90 |
Sound Output at 10cm (dBA) | MIN.82 |
Coil Resistance (Ω) | 16±2 |
Resonant Frequency (Hz) | 2731 |
Operating Temperature (℃) | -30～+70 |
Storage Temperature (℃) | -40～+80 |
Housing material | LCP |
Weight (g) | 0.8 |
DIMENSION:
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