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8*2.5mm 3.6v 2700 hz smd magnetic buzzer

The 8 x 2.5mm 3.6V 2700 Hz SMD magnetic buzzer is a compact square patch buzzer designed for portable electronics and prompt sound applications. With a rated voltage of 3.6V, operating range of 2.5V to 4.5V, resonant frequency of 2700Hz, minimum sound output of 85dB at 10cm, and 16 ohm coil resistance, it is suitable for anti-lost devices, compact electronic products, and other SMT-mounted applications that require a reliable audible signal.
  • HSMT8025S-3.6L-2.7-16-R

  • HC

  • Product name: 8*8*2.5mm mini magnetic buzzer
  • Application: small patch buzzer
  • Rated Voltage (Vp-p): 3.6V
  • Operating Voltage (Vp-p): 2.5-4.5V
  • Resonant Frequency (Hz): 2700
  • Sound Output at 10cm (dB): ≥85
  • Current Consumption (mA): ≤100
  • Coil Resistance (Ω): 16±3
Availability:
  
Model HSMT8025S-3.6L-2.7-16-R
Rated Voltage (Vp-p) 3.6
Operating Voltage (Vp-p) 2.5~4.5
Resonant Frequency (Hz) 2700
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) 0.5
Housing Material LCP
RoHs Yes
 

Product Overview

The 8 x 2.5mm 3.6V 2700 Hz SMD magnetic buzzer is a compact square magnetic buzzer developed for electronic products that require an audible prompt in a limited installation space. This model is positioned as an 8 x 8 x 2.5mm mini magnetic buzzer and is also described as suitable for anti-lost applications, which makes it relevant for portable electronics, reminder devices, and compact smart products.

In modern small electronics, a buzzer must often fit into tightly packed PCB layouts while still delivering enough sound for prompts or alerts. This product addresses that need with an ultrathin square form factor, practical sound output of 85dB minimum at 10cm, and SMT compatibility for automated production lines.

For OEM buyers and product developers, this model offers a useful balance of compact size, practical electrical specifications, and accessible factory support. It is well suited to products where prompt tone clarity and small size are both important.

Key Features of the 8 x 8 x 2.5mm Mini Magnetic Buzzer

Compact Square Structure for Small Devices

The 8 x 8 x 2.5mm square structure makes this buzzer suitable for compact PCB designs and miniature product housings. It offers more acoustic capability than some smaller micro models while still remaining very compact for portable electronics.

3.6V Platform for Portable Electronic Applications

The rated voltage is 3.6V, and the operating range is 2.5V to 4.5V. This makes the buzzer practical for battery-powered and low-voltage electronic applications where a stable prompt sound component is needed.

Practical 85dB Output for Prompt and Alert Tones

With sound output of at least 85dB at 10cm, this mini SMD magnetic buzzer provides a practical sound level for prompt functions, reminder signals, and light warning uses. Its 2700Hz resonant frequency is suitable for common electronic tone requirements.

Suitable for Anti-Lost and Reminder Device Use

The product description refers to anti-lost buzzer use, which suggests suitability for device-finding tags, reminder modules, portable electronics, and other compact smart products. These applications often require a buzzer that is small, reliable, and easy to mount.

Surface Mount Compatibility for Efficient Production

As an SMD magnetic buzzer, this model supports automated SMT assembly. This can improve efficiency and consistency for OEM manufacturers producing compact electronic products in volume.

Lightweight and RoHS Compliant

With a weight of only 0.5g and RoHS-compliant construction, the buzzer is suitable for export-oriented electronics projects and lightweight product designs.

Why Choose a Compact SMD Magnetic Buzzer

Compact SMD magnetic buzzers are essential in products where available board space and product thickness are limited, but clear audible feedback is still required. In portable electronics, smart reminder devices, compact alarm modules, and anti-lost products, the buzzer often plays a critical role in user interaction.

This 8 x 8 x 2.5mm model sits between micro buzzers and larger warning buzzers, offering a practical size-to-output balance. It is small enough for tight designs, but strong enough for everyday prompt and reminder functions.

Applications

This 8 x 2.5mm 3.6V 2700 Hz SMD magnetic buzzer can be used in:

· Anti-lost devices

· Portable electronics

· Smart reminder products

· Compact control modules

· Prompt sound units

· Miniature consumer devices

· Small PCB electronic products

· Wearable and smart accessories

Its compact square design and moderate sound output make it especially suitable for portable and prompt-oriented applications.

Benefits for OEM Buyers and Product Developers

OEM buyers need components that fit project constraints, support SMT manufacturing, and remain stable during sourcing and production. This model offers compact size, relevant prompt sound output, and sample support, making it a practical option for prototyping and mass production.

For developers creating anti-lost devices or compact smart products, the balance of size, voltage, and sound level makes this buzzer attractive. It can help reduce design compromise while maintaining audible usability.

OEM and Customization Support

HC Electronic states that customization is available based on customer needs. That can include adjustments related to packaging, acoustic preference, application matching, and project-specific integration requirements. OEM support is especially valuable when developing custom compact products.

Factory Strength and Supply Capability

According to the company information on the website, Hongchang Electronic has manufacturing experience since 1997 and employs nearly 200 staff members, including acoustic engineers. The company also indicates a factory area of more than 10,000 square meters. This supports buyer confidence in production capability and long-term supply continuity.

Quality Control and Reliability

The supplier states that quality is controlled through a complete process and quality inspection system. This is important for compact buzzers because stable performance and parameter consistency are critical in small-device applications where design margins may be tight.

Storage and Handling Notes

According to the product page, the product must not be washed. Recommended storage conditions are temperature from -10C to +40C and humidity from 15% to 85% RH in a stable environment. The stated shelf life is six months after delivery under sealed and unopened package conditions.

After opening the package, the products should be used as soon as possible to maintain stable characteristics.

Frequently Asked Questions

1. What is the model number of this buzzer?

The model shown on the product page is HSMT8025S-3.6L-2.7-16-R.

2. What is the rated voltage?

The rated voltage is 3.6V, and the operating range is 2.5V to 4.5V.

3. What is the resonant frequency?

The resonant frequency is 2700Hz.

4. What is the sound output?

The sound output is specified as 85dB minimum at 10cm.

5. What is the coil resistance?

The coil resistance is 16 +- 3 ohms.

6. What applications is this product suitable for?

It is suitable for anti-lost devices, portable electronics, compact prompt modules, and other small electronic products requiring an SMT buzzer.

7. Do you provide free samples?

Yes. The supplier states that free samples are available, subject to confirmation with sales.

8. Is the product RoHS compliant?

Yes. The product page marks the buzzer as RoHS compliant.

Why Choose HC Electronic

· Factory established in 1997

· Long-term experience in buzzer and acoustic component manufacturing

· Acoustic engineering support

· Free sample support

· OEM and customization capability

· Stable production and quality inspection process

· Factory direct support for compact product sourcing

If you are sourcing an 8 x 2.5mm 3.6V 2700 Hz SMD magnetic buzzer for a compact electronic product, this mini square patch buzzer offers a practical combination of size, sound output, and SMT production compatibility. It is designed for devices that need a prompt tone or reminder signal without using a large sound component.

The product features an 8 x 8 x 2.5mm compact square body, making it suitable for small PCB layouts and thin product enclosures. In many anti-lost devices, smart reminder products, portable electronics, and compact modules, engineers need a buzzer that is small but still noticeable in close-range use. This model addresses that need with a minimum sound output of 85dB at 10cm.

Its 3.6V rated voltage and 2.5V to 4.5V operating range make it compatible with many low-voltage electronic designs. The 2700Hz resonant frequency and 16 ohm coil resistance provide a stable parameter foundation for product development and sourcing evaluation. For compact prompt or alert applications, these specifications are practical and widely usable.

The product description also highlights anti-lost buzzer use, which suggests applicability in device-finding products, reminder systems, portable smart devices, and other small consumer electronics. In these applications, audible output does not necessarily need to be extremely loud, but it must be reliable, clear enough, and easy to integrate into a compact structure.

As an SMD magnetic buzzer, this model supports automated SMT production. This matters for OEM buyers because SMT-ready acoustic components improve efficiency, consistency, and scalability in manufacturing. Combined with free sample support and customization capability, this buzzer is a practical sourcing option for both development and mass production stages.

For buyers searching terms such as mini SMT magnetic buzzer supplier, 85dB compact magnetic buzzer, anti-lost buzzer manufacturer, or square SMD magnetic prompt buzzer, this product matches those use cases well. It is especially relevant for portable electronics and compact reminder products that need a well-balanced sound component.



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