BESTAR SMD Passive Electromagnetic Buzzer SMT5050-03H02 LF
| Rated Voltage | 3Vo-p |
| Operating Voltage Range | 2...4Vo-p |
| Rated Current (3Vo-p, 4000Hz, 1/2 duty cycle, square wave) | ≤110mA |
| Coil Resistance | 12±3Ω |
| Output Sound Pressure (3Vo-p, 4000Hz, 1/2 duty cycle, square wave, 10cm) | ≥75dB |
| Rated Frequency | 4000Hz |
| Operating Temperature | -20...+70°C |
| Storage Temperature | -30...+80°C |
| Weight | ≈0.3g |
| Housing Material | LCP |
Features:
● Small size
Description
The SMT5050-03H02 LF is a compact Electromagnetic Buzzer designed with a passive SMD structure, making it an excellent choice for consumer electronics and modern household appliances that require reliable audio notifications. This miniature form factor makes the component particularly suitable for smart home devices, compact controllers, and handheld consumer products where every millimeter of board space counts.
As a passive device, the buzzer offers greater flexibility in driving methods, enabling customized tones through different frequency inputs. This adaptability ensures that appliance alerts—whether for washing machines, kitchen equipment, small household devices or smart IoT terminals, can be tailored to match brand sound signatures. Despite its small size, the SMT5050-03H02 LF provides stable acoustic performance with consistent tone clarity, reflecting the precision expected from professional electromagnetic buzzer manufacturers.
Engineers interested in electromagnetic buzzer working mechanisms will appreciate the device’s efficient magnetic structure, which converts electrical signals into mechanical vibrations with high responsiveness. The optimized diaphragm and coil design ensure dependable sound output while keeping power consumption low, making it suitable for battery-powered consumer applications.
Manufactured using high-reliability SMD processes, the SMT5050-03H02 LF supports automated production and offers strong solder durability for high-volume assembly. It is also RoHS-compliant and designed to operate reliably across a broad range of environmental conditions.
With its combination of compact size, passive drive flexibility, and stable acoustic behavior, the SMT5050-03H02 LF delivers an effective alert solution for next-generation household electronics and smart consumer devices.
