电性能介电常数k t 33-1395 1320 1650 1350 1350 1325 k t 11-1303 1331 1400介电损失tanδ%0.20 0.20 0.22 0.30 0.30 0.30 0.35 2.50凝固场 - 0.35 0.33 0.36 0.33 0.34 0.38 k 33 - 0.67 0.70 0.71 0.68 0.70 0.74 k t - 0.42 0.43 k 15 - 0.70 0.71 0.72 0.60 0.70 Charge or Strain Constants d 33 pC/N or pm/V 315 307 372 315 315 325 d 31 pC/N or pm/V 132 125 159 135 130 150 D 15 PC/N或PM/V 511 495 515 480电压或应力常数G 33 x 10 -3 V m/n 25.5 26.3 26.3 25.5 26.4 26.9 30.0 30.0