電気の特性
Overview
Buzzer – Audio Alert and Alarm Device
Buzzers are widely used for audio indication, alarms, and status alerts in electronic devices, home appliances, industrial equipment, and automotive systems. Available in piezoelectric and electromagnetic types, they offer clear sound output, low power consumption, and long service life.
Specifications
·Rating: 220VAC
·Type: Continuous
·Mounting hole: 22mm
·Contact resistance: 50mΩ Max. (initial)
·Insulation resistance: 100mΩ Min. at 500VDC
·Dielectric strength: 2500 VAC, 50/60HZ for 1 minute
·Ambient temperature: -20°C to 60°C
·Humidity: 45% to 85% RH
·Electrical life: 200,000 operations
·Mechanical life: 300,000 operations