Jiakang Piezo Tubes
Jiakang Piezo Tubes

Jiakang Piezo Tubes

Piezoelectric ceramics can ablate lesions, shatter fat particles, and thrombuses using the inverse piezoelectric effect of piezoceramics and high-frequency vibration. The distortion created by the piezoceramic will force the tiny instrument to turn.

Piezo Tubes from Jiakang

Main Parameters

Part Number HTCG
External Diameter φ1.5～φ3mm
Inside Diameter φ0.8～φmm
Length 3～5mm
Electrode Material silver/gold
Recommended Material P-669, P-679
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Main Materials

Electrical Data Symbol Main Materials
P-659 P-660 P-663 P-664 P-666 P-667 P-668 P-669 P-672 P-673 P-676 P-678 P-679 P-690
Piezo-electric coupling coefficient kp 0.58 0.70 0.67 0.67 0.78 0.10 0.68 0.62 0.70 0.68 0.7 0.72 0.65 0.74
k31 0.32 0.39 0.38 0.37 0.42 0.39 0.35 0.41 0.39 0.45 0.42 0.38 0.40
k33 0.60 0.73 0.70 0.70 0.78 0.70 0.68 0.72 0.70 0.80 0.72 0.70 0.75
kt 0.42 0.46 0.45 0.45 0.50 0.45 0.46 0.44 0.46 0.46 0.50 0.47 0.46 0.48
Relative dielectric constant εT33 / ε0 1100 3200 2200 2800 4500 180 2300 1400 3400 2200 6000 2750 1600 3800
Piezo-electric charge constant

d33×10-12C/N

 280 700 400 480 780 70 430 250 600 430 850 540 320 710

d31×10-12C/N

 -120 -350 -200 -350 -230 -130 -280 -230 -420 -260 -150 -360
Mechanical quality factor Qm 100 60 80 500 60 2500 90 1000 80 90 60 80 1000 70
Frequency constant

fr·d     kHz·cm

 230 190 200 220 180 200 230 190 200 180 190 230 190

fr·t     kHz·cm

 210 200 200 225 200 225 200 200
Temp charac-teristics

| TKfr | (-20℃~80℃)
×10-6 / ℃

 100 260 300 120 400 30 150 100 300 100 400 200 100 260

| TKCT | (-20℃~80℃)
×10-6 / ℃

 1500 4500 5000 2500 6000 1800 1500 4000 2000 6000 3000 1500 4000
Curie Temp.

Tc

 

 320 220 220 230 180 450 355 340 230 325 140 280 330 210
Dielectric loss

tgδ（%）

 1.20 1.80 2.00 0.50 2.60 0.70 2.00 0.30 2.30 2.00 2.60 1.50 0.40 1.80
Dielectric loss tgδ（400V/mm，%） 1.00 1.00