Mini SMD Magnetic Active Buzzer For PCB Applications

Jiangsu Meidi develops and manufactures miniature acoustic components for electronic equipment manufacturers worldwide. Through continuous improvement in acoustic design, automated assembly processes, and quality management, Meidi provides buzzer products that meet different PCB integration and operating requirements.

For SMD Magnetic Active Buzzer development, Meidi's engineering team focuses on component structure design, electrical compatibility analysis, SMT assembly requirements, and acoustic verification. From prototype samples to production batches, the company provides technical communication and manufacturing support to help customers integrate reliable sound indicators into their electronic products.

Product Description

Surface Mount Magnetic Buzzer with Integrated Driving Circuit

SMD Magnetic Active Buzzer is a compact electromagnetic sound component designed for direct PCB assembly. It combines a magnetic transducer structure with a built-in oscillation circuit, allowing the buzzer to generate a fixed tone when connected to the specified DC voltage.

Unlike passive electromagnetic designs that require an external signal source, active magnetic buzzers simplify circuit design by integrating the driving function inside the component. This configuration reduces the workload of the main controller and is suitable for electronic devices requiring simple and stable audible indication.

Designed for Modern SMT Manufacturing Processes

The surface-mount package enables automated placement using standard SMT production equipment. This design helps manufacturers reduce manual assembly steps and improve consistency during high-volume PCB production.

When selecting an SMD acoustic component, engineers normally consider package size, mounting direction, soldering conditions, electrical parameters, and available board space. Meidi supports customized requirements according to different product structures and assembly environments.

Magnetic Transducer Technology for Audible Feedback

The internal electromagnetic mechanism produces sound through the interaction between the coil, magnetic field, and vibrating diaphragm. This structure provides a recognizable alert tone commonly used for equipment status indication, warning signals, and operation feedback.

Compared with piezoelectric structures, magnetic buzzers generally provide different frequency characteristics and acoustic response. For applications requiring external frequency control, engineers may consider a Magnetic Passive Buzzer instead.

Common Uses in Electronic Equipment

SMD Magnetic Active Buzzer components are commonly integrated into products where compact size and fixed audio output are required, including:

• Control panels and electronic interfaces
• Industrial monitoring equipment
• Smart home devices
• Security and alarm systems
• Medical electronic instruments
• Automotive electronic modules

In these applications, the buzzer acts as an audible feedback component to notify users of operating status, abnormal conditions, or system responses.

Electrical and Mechanical Selection Guide

Before integrating an SMD magnetic active buzzer into a product, engineers usually evaluate several key parameters:

• Operating voltage and current consumption
• Sound pressure requirements
• PCB layout limitations
• Operating temperature conditions
• Assembly and soldering process compatibility

Proper matching between the buzzer specification and the application environment helps maintain consistent acoustic performance during long-term operation.

Manufacturing Capability and Custom Support

Jiangsu Meidi provides customized support for different electronic product requirements, including acoustic parameter adjustment, housing modification, packaging selection, and sample verification.

The production process includes component inspection, assembly control, acoustic testing, and quality verification to maintain product consistency between prototype development and mass production.

For customers looking for different surface-mount acoustic options, Meidi also supplies related products such as SMD Buzzer and customized audible indication components.

FAQ

Q: How does an SMD Magnetic Active Buzzer generate sound?

A: The buzzer uses an internal oscillator and electromagnetic transducer structure. When DC power is applied, the internal circuit drives the coil and diaphragm to produce a preset sound output.

Q: What is the advantage of choosing an active buzzer for PCB designs?

A: An active buzzer does not require an external audio signal from the controller, which can simplify circuit design and reduce software or hardware complexity for fixed alert applications.

Q: Can Meidi customize SMD magnetic active buzzer specifications?

A: Yes. Meidi supports customization related to electrical parameters, mechanical dimensions, packaging requirements, and acoustic performance according to customer product designs.

Q: What other acoustic products does Jiangsu Meidi provide?

A: Meidi manufactures various buzzer components, including Alarm Buzzer, magnetic buzzer series, piezoelectric buzzer products, and customized acoustic solutions for electronic applications.

The table below lists all standard specifications of products in this series. Customized solutions are available upon your request; please feel free to contact us for further customization requirements.

Model	Product Image	Rated Voltage (VDC)	Operating Voltage (VDC)	Sound Pressure Level @10cm (dB)	Operating Current (mA)	Resonant Frequency (Hz)	Operating Temperature (℃)	Weight (g)	Dimensions (mm)
MLT-13065Y-5V		5	4~7	≥85	≤50	2700±300	-40~+105	25	12.8×12.8×6.5
MLT-9650Y-5V		5	4~7	≥85	≤30	3000±300	-30~+70	1.5	9.6×9.6×5.0