Self-driven Piezo Transducer KPT3-3000 series Piezo Transducer DIMENSIONS 19 105dB 20mA Top View 85 12 CIRCUIT OF TEST 65 4 6 12 18 24VDC Side View Model No Rated Voltage Operating Voltage Max. Rated Current Min. Sound Pressure Level Resonant Frequency Tone Nature Operating Temperature Weight KPT3-3000 12VDC 3~24VDC 12mA at 12VDC 80dB at 12VDC / 30cm 3.7¡À0.5KHz Continuous -20~+80¡æ 4g Value applying at rated voltage color Black PBT Housing Material Pin Terminal Bottom View .