50mm ultrasonic transducer 46khz Electrode on the same side use for FaceMaster (Rohs&CE)
1. Diameter:50mm;
2.Thickeness:3.5mm
3.resonance frequency:43.0±5%KHz
4.Resonant impedance:≤5 Ω
5.electrostatic capacity:6500±20% pF
6. Dimension :
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