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HSMT7525AS-03L-2.731-12-R
HC
| Model | HSMT7525AS-03L-2.731-12-R | |||
| Rated Voltage (Vo-p) | 3.0 | |||
| Operating Voltage (Vo-p) | 2.5～4.5 | |||
| Resonant Frequency (Hz) | 2731 | |||
| Current Consumption (mA) | ≤100 | |||
| Sound Output at 10cm (dB) | ≥85 | |||
| Coil Resistance (Ω) | 16±3 | |||
| Operating Temperature (℃) | -20～+70 | |||
| Storage Temperature (℃) | -30～+80 | |||
| Weight (g) | 0.3 | |||
| Housing Material | LCP | |||
| RoHs | Yes | |||
The 7.5 x 2.5 mm 3V SMD magnetic buzzer from HC Electronic is designed for manufacturers who need a reliable, low-profile, and compact sound component for modern electronic devices. As electronic products become smaller and thinner, the requirement for miniature SMT acoustic components continues to increase. This 7525 mini square magnetic buzzer is built specifically for that market demand.
Its compact footprint and low height make it suitable for products with limited PCB space, while its stable acoustic output helps designers maintain clear prompt tones and warning sounds even in very small devices. The product is commonly used where board space is restricted but audible feedback is still necessary.
This model is positioned as a small patch buzzer for portable and precision electronic applications. With a rated voltage of 3.0V, sound output of at least 85dB at 10cm, and a resonant frequency of 2731Hz, it provides an effective balance of sound performance, compact size, and SMT production convenience.
One of the strongest advantages of this 7.5 x 2.5 mm SMD magnetic buzzer is its ultrathin structure. Many portable electronic devices, handheld equipment, and medical products are designed with strict space limitations. The low-profile body of this buzzer makes it easier for engineers to integrate audible signaling functions without increasing product thickness significantly.
This model is optimized for 3.0V operation and supports an operating voltage range from 2.5V to 4.5V. This range gives product designers flexibility when working with compact battery-powered circuits or small control boards. The buzzer can support stable acoustic output within this voltage range, helping maintain consistent performance in practical applications.
With sound output of 85dB minimum at 10cm, this 3V SMD magnetic buzzer is suitable for prompt tones, operating confirmation sounds, warning functions, and status notifications. For small electronic products, obtaining sufficient sound pressure from a very compact component is important. This buzzer is designed to deliver practical loudness while maintaining miniature size.
As a surface-mount sound component, this product is suitable for modern automated assembly lines. SMT compatibility helps improve production efficiency, reduce manual assembly steps, and support stable large-volume manufacturing. For OEM customers and electronics manufacturers, this is an important factor when selecting a buzzer supplier.
The housing material is LCP, which supports good structural stability for compact acoustic components. Combined with controlled manufacturing processes, the product is designed for consistency between samples and bulk production. Stable quality is especially important for medical, industrial, and consumer electronic applications where prompt tones must remain dependable across production lots.
The product is marked as RoHS compliant, which is important for many international buyers and electronics brands. In addition, HC Electronic supports free samples, factory direct supply, and OEM customization, helping buyers move from evaluation to mass production more efficiently.
Magnetic transducers are widely selected for applications that need stable sound output, practical loudness, and compact integration. Compared with larger sound components, a miniature magnetic transducer can fit more easily into portable devices and tightly packed circuit boards. It is also suitable for systems that require controlled external drive conditions and customized acoustic performance.
For designers choosing between piezo and magnetic sound components, the correct selection depends on circuit structure, desired tone characteristics, installation space, and application environment. In many low-profile and small portable device applications, an SMD magnetic transducer offers a practical solution that combines compact size with effective audible output.
This 7.5 x 2.5 mm 3V SMD magnetic buzzer can be used in a wide range of compact and portable products, including:
· Medical electronic devices
· Clinical thermometers
· Blood glucose meters
· Portable test instruments
· Handheld electronic devices
· Small alarms and reminder modules
· Consumer electronic products
· Industrial compact control boards
· Access control prompt modules
· Status indication systems
Because the buzzer is small, lightweight, and SMT compatible, it is especially suitable for products where board space is limited and mass production efficiency matters.
Medical and portable electronics often require a buzzer that is both compact and dependable. In glucose meters, thermometers, and handheld diagnostic devices, the buzzer may be used to confirm operations, indicate measurement completion, or provide warning signals. These applications demand stable acoustic performance from a very small component, which is why miniature SMD magnetic buzzers are widely adopted.
For portable electronics, battery conditions, circuit size, and user experience all matter. A compact magnetic transducer that can work within a practical 2.5V to 4.5V range helps simplify integration and supports portable device design goals.
OEM buyers and product developers usually evaluate acoustic components based on several factors: size, sound performance, operating voltage, assembly compatibility, supply stability, customization support, and consistency between samples and mass production. This 7525 mini square magnetic buzzer is designed to address those common sourcing concerns.
· Compact square structure for small PCB layouts
· Stable core parameters for design reference
· Factory direct communication for faster technical confirmation
· Free sample support for verification
· Customization capability for project-specific requirements
· Experience serving international electronics buyers
HC Electronic states that products can be customized according to customer needs and supported by an experienced R&D team. For buyers developing new electronic products, customization may involve tuning voltage range, sound level targets, structure details, packaging format, or project-specific acoustic requirements. This kind of flexibility is valuable when a standard off-the-shelf buzzer does not fully match the application requirement.
Custom support is especially important in projects where enclosure space, user experience, acoustic direction, or operating conditions differ from general-purpose products. With engineering cooperation during sampling and validation, OEM customers can reduce mismatch risk before mass production.
According to the company information on the website, Hongchang Electronic is a manufacturing enterprise established in 1997 with more than 20 years of production experience. The company indicates that it has nearly 200 employees, including acoustic engineers, and a production facility of more than 10,000 square meters. For global buyers, this type of background supports confidence in factory capability, production continuity, and manufacturing organization.
Stable lead time and stable quality control are important when sourcing buzzers for long-term projects. In addition to sample support, buyers often need confidence that repeat orders can maintain consistent specifications and manageable delivery schedules. Factory-based production and quality systems help support these expectations.
The supplier states that product quality is controlled through a complete process system and quality inspection system. For buzzer buyers, consistency matters because even small parameter shifts can affect user experience, PCB matching, and acoustic perception. A reliable supplier should be able to keep bulk production close to approved samples and reduce after-sales issues caused by unstable sound output or parameter drift.
When evaluating a buzzer supplier, buyers often look at sample consistency, packaging reliability, response speed, and problem-solving capability in addition to raw specifications. These commercial factors are just as important as the technical data sheet in long-term sourcing relationships.
According to the product page, the products must not be washed. The storage environment should maintain stable temperature and humidity, and large temperature changes should be avoided. Recommended storage conditions are temperature from -10C to +40C and humidity from 15% to 85% RH.
The indicated shelf life is six months after delivery under sealed and unopened package conditions. It is recommended to use the products within six months after delivery and to use them as soon as possible after opening the package, because characteristics may be affected by storage conditions after opening.
The model number shown on the product page is HSMT7525AS-03L-2.731-12-R.
Yes. This is an SMD magnetic buzzer designed for surface-mount applications and is suitable for compact PCB assembly processes.
The rated voltage is 3.0V, and the operating voltage range is 2.5V to 4.5V.
The sound output is specified as 85dB minimum at a distance of 10cm.
This buzzer is suitable for portable electronics, medical devices, small alarms, handheld instruments, prompt modules, and other compact electronic products.
Yes. The supplier states that free samples are available. Buyers should contact sales to confirm sample quantity and delivery details.
Yes. The supplier indicates that products can be customized according to customer needs with support from its R&D team.
Yes. The product page states that the product complies with RoHS requirements.
The product should be stored in a stable environment, unopened when possible, and used within the recommended shelf life of six months after delivery.
· Manufacturing experience since 1997
· Factory direct supplier of buzzers, speakers, piezo elements, and ultrasonic products
· Experience with magnetic and piezo sound components
· OEM and customization capability
· Free samples for project evaluation
· Stable production team and acoustic engineering support
· Product range suitable for multiple industries and applications
If you are looking for a compact 7.5 x 2.5 mm 3V SMD magnetic buzzer for space-limited electronic products, this 7525 mini square magnetic buzzer is a practical choice for modern SMT applications. It combines a compact form factor, stable acoustic performance, and factory-direct supply support for OEM buyers, product developers, and sourcing teams.
In many modern electronic designs, space is one of the most critical constraints. Portable electronics, handheld instruments, compact medical devices, and smart control modules all require smaller components without sacrificing core functionality. Audible prompting remains an important part of user interaction, system feedback, and warning communication, which is why a miniature magnetic buzzer like this model can add real value to product design.
This product offers a 3.0V rated voltage, 2.5V to 4.5V operating voltage, and 85dB minimum sound output at 10cm, making it suitable for prompt and alert functions in compact products. The 2731Hz resonant frequency supports a clear and usable acoustic response for many small-device applications. Its SMT structure also helps support automated assembly and efficient volume production.
For buyers who compare different buzzer technologies, the selection process usually involves more than just checking one or two electrical specifications. Size, mounting method, acoustic output, stability, material quality, and supplier support all matter. This is why factory-backed products with clear specifications and sample support are often preferred by engineering teams and procurement teams alike.
The product page positions this model as a small patch buzzer, which is consistent with its ultrathin profile and miniature square shape. It can fit into products where a taller or larger buzzer would create layout limitations. This is particularly relevant in product categories such as portable health devices, measurement tools, reminder modules, handheld control units, and other electronics where the available component height is restricted.
For international buyers, sourcing from a manufacturer with production experience can also help reduce commercial risk. HC Electronic presents itself as a long-established manufacturer with experience in buzzers, speakers, piezo elements, and ultrasonic products. In addition to technical parameters, buyers often evaluate supplier responsiveness, customization support, and production consistency. Those practical factors often determine whether a component is suitable for long-term supply chain use.
Another advantage of this product is its suitability for OEM and customized projects. Standard catalog products are useful for many applications, but some projects require tuning around voltage, acoustic preference, size limitations, packaging style, or structural details. A supplier with customization support can help reduce redesign work later in the project. This is one reason why engineers and sourcing teams often prefer factory-direct communication at the evaluation stage.
In summary, this 7.5 x 2.5 mm 3V SMD magnetic buzzer is a strong option for buyers who need a compact SMT acoustic component with stable sound output, practical working voltage, and supply-side support. Whether you are developing portable electronics, medical devices, small consumer products, or compact industrial control boards, this 7525 mini square magnetic buzzer can support your design goals while keeping your assembly process efficient.
