Ø12 x 3.8 mm 2 kHz 3 V 90 dB 磁性 蜂鸣器
磁性 传感器，外部驱动 3 V 90mA 2kHz 85dB @ 3V，5cm 通孔 PC 引脚
得捷:
BUZZER MAGNETIC 3V 12MM TH
立创商城:
CSQG703BP
艾睿:
Audio Buzzer Magnetic 2Vo-p 4Vo-p 90mA 3Vo-p 85dBA Radial Through Hole Tray
Verical:
Audio Buzzer Magnetic 2Vo-p 4Vo-p 90mA 3Vo-p 85dBA Radial Through Hole Tray