20mm Humidifier Ultrasonic Sheet Piezoelectric Ceramic Ultrasonic Microporous Beauty Instrument Atomization Sheet

20mm Humidifier Ultrasonic Sheet Piezoelectric Ceramic Ultrasonic Microporous Beauty Instrument Atomization Sheet
sku: 1934140
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$2.99
Shipping from: China
   Description
Specification Name Humidifier ultrasonic sheetNominal frequency 108kHz±3MHzAdjust frequency difference 0 01MHzTemperature frequency difference 0 001MHzTotal frequency difference 0 002MHzLoad capacitance 2800pFLoad resonance resistance 60ΩExcitation level 70mWReference temperature 40℃ 80℃Insertion loss 0 1dBStop Band Attenuation 0 1dBInput impedance 0 1kΩOutput impedance 0 1kΩThis accessory can be used as a replacement for ID 1693190Package included 1 x Humidifier ultrasonic sheetNote the driver board and humidifier are not includes
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