PF-21N31PQ

BUZZER PIEZO 12V 24MM RADIAL

压电 指示灯，内部驱动 12 V 12mA 3kHz 80dB @ 12V，30cm 通孔 PC 引脚

得捷:
BUZZER PIEZO 12V 24MM TH

艾睿:
Audio Indicator Piezo 3VDC 30VDC 12mA 12VDC 80dBA 2500Hz to 3500Hz Through Hole Pin Bulk

Allied Electronics:
PULSE TONE IND-PIN-FAST ROHS