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2.2MHZ 25mm Half Moon Piezoelectric Ceramic For Fetal Doppler

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2.2MHZ 25mm Half Moon Piezoelectric Ceramic For Fetal Doppler

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Brand Name :	Yujie
Model Number :	HJ-25/2.2M
Certification :	ISO9001
Price :	Negotiable
Payment Terms :	T/T, Western Union
Supply Ability :	100000 Piece/Pieces per Month
Delivery Time :	3~30 working days

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Product Details
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2.2MHZ 25mm Half Moon Piezoelectric Ceramic For Fetal Doppler

Dia.25mm Half Moon Piezoelectric Ceramic With Low Dielectric Loss Used For Fetal Doppler

1. Product description

Piezoelectricity is a type of electricity that occurs when materials possessing piezoelectric properties are exposed to pressure or stress. Examples of these materials are ceramics, also called piezoceramics , and crystals.

Piezoelectric Ceramics (piezoceramics), such as Piezoelectric Ceramic Ring, Piezoelectric Ceramic Disc, Piezoelectric Ceramic Tube, Piezoelectric Ceramic Ball/Hemisphere, Piezoelectric Ceramic Cylinder and Piezoelectric Ceramic Square/Rectangular.

2. Brief description of piezo ceramic element & Attributive Characters

1. Electrode form/ Modulating: External drive (diode); Self drive (transistor);
2. Thickness: Thick (T>0.5mm); Standard (0.5mm>T>0.2mm);
3. Dimension: Smallest diameter is 5mm, Biggest is 100mm;
4. Metal plate type: Silver
5. Connection terminal: Solder wire or not.

3. Applications for ceramics

Piezo Ceramic Element: Applications (Piezoceramics element; Piezo diaphragm, piezo plate)

1. For sound making:Clocks,Calculators,Telephones,Washing machines,Various(Burglar alarms,etc);
2. For transduction: Embryo monitor,Heart reflectoscope reflector,pedometer, car alarm sensor.

3. For face lift beauty devices.

4. For medical devices.

5. For distance measuring.

6. Hydrophone

7. Oceanography

Specifications:

Dimension:	Ø25x0.88mm
Material type	P-51
Resonant Frequency	2.2 MHZ±5%
Resonant Resistance (R)	< 20ohm
Coupling Factor (KP)	>60%
Capacitance (Cp)	10500PF ± 20%
Dielectric loss (tgδ)	< 2.5%

Applications:

Ultrasonic beauty machine

Ultrasonic medical machine

Fetal doppler

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