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Dedicated to global electroacoustic technology.
The BM8530S SMD Electro-Magnetic Buzzer is a precision-engineered surface-mount acoustic component specifically developed to generate clear, penetrating sound signals on densely populated PCBA boards. Encased in a sleek, miniaturized black polymer housing, this device operates through a highly responsive electromagnetic coil and metal diaphragm structure. When an electric current is applied, it creates a concentrated magnetic field that drives the diaphragm with exact mechanical precision, producing audible tones that easily cut through ambient environmental noise.
Recognized for its exceptionally stable performance, low power consumption, and crisp sound output, this acoustic device is an essential building block for modern electronic design. It offers significant advantages during manufacturing, including seamless SMT assembly compatibility, consistent frequency response, and long-term mechanical durability. Procurement teams and hardware engineers widely specify these buzzers for consumer electronics, home appliances, security systems, and industrial control equipment, where they serve as reliable components for critical alerts, user reminders, and operational status indications.
Our SMD electromagnetic buzzers deliver a consistently clear and distortion-free sound output, driven by a meticulously calibrated coil and diaphragm architecture. The operating frequency remains exceptionally stable within a strict ±2% tolerance, guaranteeing that the reliable sound component produces the exact auditory feedback required for critical safety applications. Built to withstand demanding conditions, the device fully complies with IEC 60068-2 testing standards, ensuring stable operation across a wide temperature range of -30°C to +85°C, even in high-humidity environments. With an impressive Mean Time Between Failures (MTBF) and a lifespan exceeding 50,000 hours under normal conditions, this long lifespan buzzer minimizes maintenance needs and ensures dependable, continuous operation in the field.
Engineered specifically for energy efficiency, this DC driven buzzer operates optimally at low rated voltages ranging from 1.5V to 5V, while maintaining an ultra-low current consumption of just 10–30mA. This highly efficient electromagnetic structure ensures a strong, audible sound output without draining battery reserves, making it the perfect energy efficient buzzer for portable, battery-powered electronic devices. By minimizing energy usage and reducing thermal output, it actively helps hardware designers lower the overall system power consumption, extending the operational life of the end-user's device between charges.
Featuring a miniaturized SMD buzzer small size design, these acoustic components are perfectly optimized for high-speed, automated pick-and-place assembly processes. Available in common industry profiles such as 9mm and 12mm, their lightweight and compact form factor supports high-density PCB layout integration. Crucially, the component is engineered to withstand rigorous manufacturing environments, supporting lead-free reflow soldering temperatures up to 260°C. We also provide comprehensive mounting guidelines to prevent coil delamination during the heating phase. This SMT buzzer component directly improves manufacturing throughput and reduces manual assembly costs on the factory floor.
To meet diverse auditory requirements, these electronic alert buzzers support customizable frequency ranges, most commonly between 2kHz and 4kHz, delivering targeted acoustic profiles. They are capable of generating impressive sound pressure levels reaching up to 85–95dB at a distance of 10cm, ensuring the alert is heard distinctly even in noisy environments. Whether you need a high sound pressure buzzer for industrial alarms or a softer tone for consumer gadgets, the acoustic and structural characteristics can be tailored. This customizable buzzer adapts seamlessly to smart home systems, automotive electronics, and specialized medical equipment.
The following specifications detail the core operational limits and acoustic capabilities of the BM8530S series, ensuring exact alignment with your circuit design requirements.
Parameter | Specification Value |
|---|---|
Rated Voltage Range | 1.5V – 5V DC |
Current Consumption | 10 – 30mA |
Operating Frequency | 2kHz – 4kHz (Stable within ±2%) |
Sound Pressure Level (SPL) | 85 – 95dB at 10cm |
Component Dimensions | 9mm / 12mm profiles available |
Operating Temperature | -30°C to +85°C |
Expected Lifespan (MTBF) | > 50,000 hours |
SMD electromagnetic buzzers are heavily integrated into everyday consumer electronics, including smartphones, tablets, wearable fitness trackers, and handheld gaming gadgets. In these devices, they provide essential audio feedback for incoming notifications, tactile button presses, daily alarms, and critical system alerts. Their ultra-compact size and 10–30mA low power consumption make them the ideal acoustic solution for space-constrained, battery-dependent designs. Furthermore, their stable sound output guarantees a clear, pleasant, and consistent user experience without draining the device's battery life.
Within the household ecosystem, these buzzers serve as vital auditory reminder components in appliances such as microwave ovens, washing machines, induction cookers, and smart air conditioners. They emit a distinct, resonant chime that notifies users of operation completion, filter change warnings, or functional status changes, easily cutting through ambient kitchen or laundry room noise. Their inherent mechanical durability and ability to operate flawlessly in fluctuating temperature and high-humidity conditions make them exceptionally reliable for years of continuous use in demanding household environments.
In physical security infrastructure—ranging from commercial alarm panels and smoke detectors to biometric access control systems—SMD buzzers execute a critical life-safety function. They are engineered to generate immediate, piercing warning sounds that alert building occupants to potential dangers, unauthorized door access, or internal system malfunctions. The ability to instantly output a high sound pressure level of up to 95dB ensures that these fast-response alerts are highly effective and impossible to ignore in safety-critical applications.
Meeting the strictest global compliance standards, including RoHS and REACH, these components are fully qualified for sensitive applications. They support the stringent requirements of ISO 13485 for medical equipment, providing reliable audible cues in patient monitoring devices, diagnostic instruments, and portable healthcare products where failure is not an option. Additionally, their robust environmental resistance aligns with AEC-Q200 standards for automotive electronics, ensuring that dashboard alerts and driver-assist warnings function perfectly despite vehicular vibrations and extreme temperature shifts.
Selecting the exact acoustic component for your PCBA requires a careful evaluation of electrical, mechanical, and environmental factors. Consider the following criteria to ensure optimal integration and user experience:
Electrical Compatibility: Verify the rated voltage (1.5V–5V) and current draw (10–30mA) to ensure it aligns perfectly with your existing drive circuit capabilities without overloading the power rail.
Acoustic Requirements: Check the sound pressure level—aiming for the 85–95dB at 10cm range—to guarantee the alert meets your application’s specific audibility needs. Pay close attention to the frequency range (typically 2kHz–4kHz) to achieve the desired sound clarity and pitch.
Footprint & Assembly: Evaluate the physical size and SMT package dimensions (such as the 9mm or 12mm profiles) to confirm it matches your available PCB real estate and automated pick-and-place nozzle requirements.
Environmental Resilience: Review the operating temperature range (-30°C to +85°C) and verify international reliability standards, such as RoHS compliance, to ensure long-term performance in the intended deployment environment.
Securing a reliable component is only half the equation; partnering with a capable manufacturer ensures project success from prototyping to mass market release. Our production facilities operate under strict ISO 9001 certification, implementing comprehensive batch traceability management. This rigorous quality control system guarantees that whether you order a small pilot run or a million units, the acoustic performance and physical dimensions will exhibit zero deviation.
To support dynamic procurement needs, we offer highly flexible Minimum Order Quantities (MOQ) alongside competitive tiered pricing structures, keeping your costs low while maintaining stable delivery schedules. Furthermore, our engineering team provides in-depth technical support, offering specialized guidance on drive circuit design and acoustic cavity structural adaptation to maximize the buzzer's resonance in your specific housing. Every order is backed by our commitment to quality, featuring a rapid-response RMA protocol that guarantees swift resolution and replacements within 30 days, minimizing any potential disruption to your assembly lines.
