Reliable Electromagnetic Buzzer For Electronic Alarms And Signal Devices

MEIDI KC2512 25mm Electromagnetic Passive Buzzer — a 25 mm electromagnetic passive buzzer available in two coil configurations: the KC2512-30R variant rated at 5Vo-p with 30Ω coil resistance, and the KC2512-120R variant rated at 12Vo-p with 120Ω coil resistance. Both variants share an 800Hz resonant frequency, PBT housing, and -20℃ to +70℃ operating temperature. Requires external square wave drive for tone generation. Contact MEIDI for evaluation samples or volume pricing.

MEIDI HN-1614 16mm 2048Hz Through-Hole Electromagnetic Passive Buzzer — a 16 mm through-hole electromagnetic passive buzzer with 6Vo-p rated voltage, 4–8Vo-p operating range, 2048Hz resonant frequency, 45±5Ω coil resistance, Max. 40mA rated current, and Min. 85dB sound pressure at 10cm. Black Noryl housing, -20℃ to +70℃ operating temperature, RoHS compliant. Requires external square wave drive at resonant frequency for tone generation. Request evaluation samples or submit an RFQ for volume pricing.

MEIDI HN-1295 12mm 2400Hz Through-Hole Electromagnetic Passive Buzzer — a 12 mm through-hole electromagnetic passive buzzer with 5Vo-p rated voltage, 3–7Vo-p operating range, 2400Hz resonant frequency, 42±5Ω coil resistance, Max. 80mA rated current, and Min. 85dB sound pressure at 10cm. Black PPO housing, -20℃ to +70℃ operating temperature, RoHS compliant. Requires external square wave drive at resonant frequency for tone generation. Request evaluation samples or submit an RFQ for volume pricing.

MEIDI HN-1260B 12mm 2730Hz Through-Hole Electromagnetic Passive Buzzer — a 12 mm through-hole electromagnetic passive buzzer with 3Vo-p rated voltage, 2–4Vo-p operating range, 2730Hz resonant frequency, 16±4Ω coil resistance, Max. 60mA current, and Min. 85dB sound pressure at 10cm. Black PPO housing, -20℃ to +70℃ operating temperature, RoHS compliant. Requires external square wave drive at resonant frequency for tone generation in industrial control panels, alarm modules, and legacy equipment designs. Request evaluation samples or submit an RFQ for volume pricing.

MEIDI 9650 Electromagnetic Active Buzzers feature a built-in oscillator across three voltage options: 3V, 5V, and 12V, covering a 1.5–16V operating range. Apply DC power to generate a steady 2700 ± 300 Hz tone, delivering ≥85 dB at 10 cm while drawing ≤30 mA. Built with through-hole polarized pins and a black PBT housing, they operate reliably from -20 to +70 °C and fit standard manufacturing assembly lines. Well-suited for industrial alarm systems and audio alert applications, these buzzers support efficient bulk sourcing for ongoing production needs. Contact MEIDI to request samples.

MEIDI 9042 Electromagnetic Active Buzzer comes with a built-in oscillator in three variants: 3V, 5V, and 12V, covering a 1.5–16V operating range. DC input generates a steady 2700 ± 300 Hz tone, reaching ≥85 dB at 10 cm while drawing ≤30 mA. Measuring only 9.0 × 4.2 mm and weighing 0.71 g, this compact through-hole unit has a black PBT housing and operates from -20 to +70 °C. Tailored for portable electronics, it integrates cleanly into high-volume production lines. A solid option for procurement in battery-powered devices, reach out to MEIDI for full specifications or order inquiries.