BESTAR SMD Passive Electromagnetic Buzzer SMT4040-03H02

The SMT4040-03H02 is a highly compact Electromagnetic Buzzer designed for the use in electronics of the last few years, where board space is extremely limited. Its small size makes it suitable for compact consumer products, handheld instruments, portable medical devices and smart IoT-modules which require reliable audio alerts in small space.

Despite being a miniature element, SMT4040-03H02, is designed to produce loud and consistent tone in a stable output. It makes use of optimized magnetic circuit internally so that it can continue to generate dependable sound performances under low voltage condition. This coming into alignment in terms of size, efficiency and tone clarity is a reflection on the advanced engineering that is normally anticipated from professional electromagnetic buzzer manufacturers.

The buzzer is assembled with the aid of SMT technology to facilitate automatic assembly and has good solderability and mechanical resilience. It is made in a manner that will ensure  that stable performance during vibration, transportation and long term favoring. Fully compliant with environmental requirements, it satisfies the requirements set by the RoHS directive and still provides reliable electrical characteristics in different applications.

For engineers interested in the working principles of electromagnetic buzzers the SMT4040-03H02 shows how a refined design of a coil and diaphragm combination will be able to provide a powerful acoustic output within a compact form-factor design. The buzzer is quick to react to drive signals, it is frequency stable and therefore it's well-suited for use in battery-powered devices or miniaturised devices.

In such product designs where optimization of space is of paramount importance, the SMT4040-03H02 offers a practical and quality acoustic solution. Its compact structure, stable performance and easy SMT assembly provide it with a reliable part for next generation compact electronics.