Piezoelectric Constants for 3203HD 3800 KT3 T K 1 3200 KS3 1200 Charge Coefficients d31 (m/V or C/N) -320 x 10-12 d33 (m/V or C/N) 650 x 10-12 d15 (m/V or C/N) 1000 x 10-12 Coupling Coefficients k31 0.43 kp 0.75 k33 0.78 kt 0.55 k15 0.78 Elastic Constants cD33 (N/m2) 17.7 x 10-12 * sE11 (m2/N) 16.6 x 10-12 E 2 s 12 (m /N) -4.2 x 10-12 * sE13 (m2/N) -8.2 x 10-12 * E 2 s 33 (m /N) 21 x 10-12 sE15 (m2/N) 52.4 x 10-12 sD11 (m2/N) 13.2 x 10-12 D 2 s 33 (m /N) 7.6 x 10-12 sD15 (m2/N) 20.6 x 10-12 * S. Sherit, H. D. Wiederick, B. K. Mukherjee, “A Complete Characterization of the Piezoelectric, Dielectric, and Elastic Properties of Motorola PZT 3203HD including Losses and Dispersion.” All other data based on CTS measurements. Dielectric Constant January 24, 2005 CTS Proprietary