Send Inquiry
Description:
Piezoelectric Ceramic:Ultrasonic cleaning transducer
Ultrasonic welding transducer
Ultrosonic beauty heads
Fast delivery
20mm 2.8MHZ Piezo ceramic element for beauty application
Piezoceramic for Ultrasonic Cleaning,
forUltrasonic Welding,
forTooth-brushing,
PiezoceramicVibrator
forbeauty devices
PiezoceramicVibrator for beauty devices
Part No:A-812810N
Unit:mm
Dimension:20mm
ElectricalCharacteristics:
1.Capacitance : 3400pf10%
2.Frequency : 1MHz5%
3.Resistance : 2
4. d33 :310x10-12C/N
5. tg :0.6%
Specification:
| Properties | Unit | Alumina | Zirconia | ||
| Content | % | ≥95 | ≥99 | ≥99.7 | ≥94 |
| Density | g/cm3 | 3.65 | 3.8 | 3.9 | 6 |
| Hardness(Hv0.5) | GPa | 13.1 | 15 | 17.1 | 13.2 |
| Flexuralstrength | MPa≥ | 340 | 310 | 370 | 1000 |
| Modulusof elasticity | GPa | 300 | 330 | 350 | 200 |
| Poisson’sratio | 0.23 | 0.23 | 0.23 | 0.30 | |
| Max usetemperature | °C≥ | 1400 | 1750 | 1800 | 1050 |
| Thermalexpansion coeff. | ×10-6/°C(40-800°C) | 7.8 | 8 | 8 | 11 |
| Thermalconductivity | W/m·K(20°C) | 22 | 28 | 31 | 2.6 |
| Thermalshock resistance(in water) | °C | 200 | 200 | 230 | 300 |
| DielectricStrength | V/m | 15×106 | 15×106 | 15×106 | 11×106 |
| Dielectricloss angle (1MHz) | ×10-4 | 4 | 2 | 1 | 16 |
| DielectricConstant(1MHz) | 9.2 | 9.8 | 9.9 | 33 | |
| NitricAcid (60%)90°C | WT Lossmg/cm2/day≤ | 0.12 | 0.1 | 0.05 | ≠0 |
| CausticSoda(30%)80°C | WT Lossmg/cm2/day≤ | 0.53 | 0.26 | 0.04 | 0.08 |
PiezoceramicVibrator for beauty devices
PartNo:P200902
Unit:mm
Dimension:Φ28×2mm
ElectricalCharacteristics:
1.Capacitance : 3400pf±10%
2.Frequency : 1MHz±5%
3.Resistance : 2Ω
4. d33 :310x10-12C/N
5. tgδ :0.6%
