Piezo Ceramic Disc 10x2mm, Circular R Electrode, 1 MHz

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Part Number: SMD10T21R111CW

Piezo Electric Ceramic Disc Transducer. Both electrodes on one side (R configuration).  Thickness mode vibration.
This product is the ideal one to work with Texas Instruments TDC1000 which is a fully integrated analog front-end (AFE) for ultrasonic sensing measurements of level, fluid identification/ concentration, flow, and proximity/ distance applications common in automotive, industrial, medical, and consumer markets. When paired with an MSP430/C2000 MCU, power, wireless, and source code, TI provides the complete ultrasonic sensing solution.

Quick Start Guide for the Texas Instruments TIDA00322 with similar transducer SMD10T2R111 => SEE IT HERE

TDC1000 Ultrasonic Sensing Analog Front End (AFE) for Level Sensing, Flow Sensing, Concentration Sensing, and Proximity Sensing Applications (Rev. A)

Piezo Material: SM111
Dimensions: 10.1mm diameter x 2.2mm thickness with circular wrap around electrode
Resonant frequency fr: 1 MHz±2%
Electromechanical coupling coefficient Kt:28%
Resonant impedance Zr: ≤10 Ω
Static capacitance Cs: 227F±15%@1kHz
Dielectric Loss tg δ: ≤0.33 % 
Test Condition: 23±3 °C 40~70% R.H.
fr, Zm, Kp => Thickness mode vibration
Cs => LCR meter at 1KHz 1Vrms

Applications: Piezo transducer vibration, matter dispersion, Ultrasonic Sensor, wall thickness sensor, material stress sensor, pressure sensor,piezo electricity harvesting, compression sensor, piezo expansion sensor, biomedical probe and others.