Piezoelectric ceramic

PZT-8 Specification: Dimensions(mm)CapacityC(pF)Weak field dissipationTgδ(12v)Strong field dissipationTgδ(400v)Radial frequencyFr(KHz)Resonance impedanceZm()Thick frequencyFt(KHz)Coupling modulusKr(%)Quality factorQmΦ30/Φ10*51150±10%≤0.5%≤1.0%58.4±5%≤15410≥45≥800Φ32/Φ10*51320±10%≤0.5%≤1.0%56.1±5%≤15410≥45≥800Φ35/Φ15*51430±10%≤0.5%≤1.0%45.5±5%≤15410≥45≥800Φ38/Φ15*51750±10%≤0.5%≤1.0%43.4±5%≤15410≥46≥800Φ40/Φ15*51970±10%≤0.5%≤1.0%42.8±5%≤15410≥45≥800Φ42/Φ15*52200±10%≤0.5%≤1.0%40±5%≤15410≥45≥800Φ42/Φ17*52110±10%≤0.5%≤1.0%38.8±5%≤15410≥45≥800Φ45/Φ15*52580±10%≤0.5%≤1.0%38.1±5%≤15410≥46≥800Φ50/Φ17*53160±10%≤0.5%≤1.0%34.8±5%≤15410≥45≥800Φ50/Φ17*62430±10%≤0.5%≤1.0%34.8±5%≤15315≥45≥800Φ50*35800±10%≤0.5%≤1.0%46±5%≤10681≥50≥800PZT-4 Specification: Dimensions(mm)CapacityC(pF)Weak field dissipationTgδ(12v)Radial frequencyFr(KHz)Resonance impedanceZm()Coupling modulusKp(%)Φ30/Φ10*51440±15%≤0.5%57.5±5%≤20≥40Φ32/Φ10*51660±15%≤0.5%54.8±5%≤20≥40Φ35/Φ15*51700±15%≤0.5%46.0±5%≤20≥39Φ40/Φ15*52470±15%≤0.5%41.8±5%≤18≥39Φ45/Φ15*53140±15%≤0.5%38.3±5%≤18≥40Φ50*37500±15%≤0.5%44.0±5%≤10≥56