Ultrasonic Transducer Ring OD6xID2.5x2mm

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Product Description

Product Attributes
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Product Attributes

Model No.: OD6xID2.5x2mm PZT-41

Packaging & Delivery

Selling Units:: Piece/Pieces

Piezoelectric ceramic ring

Electrode direction: thickness

Applications: ultrasonic vibration tranducer for inkjet printer

Vibration mechanism of inkjet printer:

Generally, it is composed of piezoelectric ceramics and driving rods. By high-frequency electric excitation, piezo ceramics produce high-frequency ultrasonic vibration (above 60 kHz or higher), which is transmitted to the driving rod and generates high-frequency micro-displacement (back and forth expansion) at its front end.

Piezo ceramics components features :

1. High vibration amplitude and can withstand higher power.
2. The product has high reliability, strong maintainability, and is not easy to break down or off-line.
3. The frequency can be adjusted in a wide range, generally within the range of 10KHz.

Piezoelectric Ceramic Material: PZT-41 (equal to PZT-4D)

Piezoelectric Elements technical data:
Dimensions:	out diameter 6mm, inner diamter 2.5mm, height 2 mm
Radial Frequency Fr:	789KHz ± 5%
Resonant Impedance R:	< 20 Ω
Mechanical Coupling coefficient K33	＞0.50
Dielectric Loss tg δ:	≤ 0.3%
Static capacitance Cs:	110pF±12.5%

Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms

The following piezo materials is for the vibration transducer :

P-41	is equal to PZT-4D hard PZT. It is designed for higher dielectric constant, high Q m , high coercive field, high coupling and high stiffness required high power high driving transducers etc.
P-42	Is a modified hard PZT, higher dielectric constant of P-41.
P-43	is a modified hard PZT. It is developed for higher dielectric constant, high coupling and high stiffness required high power high driving etc. transducers
P-82	Is equal to PZT-8, hard PZT for higher mechanical quality factor, lower dielectric loss required and much higher power handling capability etc. transducers.
PCrN-4	is a modified PZT dedicated for extremely high power high driving etc. transducers with higher power handling capability than DL-43, dual function of receiver and transmiting transducer.
PbaS-4	is a modified hard PZT developed for extremely high dielectric constant, high Q m , high stiffness and low dissipation factor required high frequency transducers etc.

Typical value of Piezoelectric ceramic materials performance
"Hard" PZT materials
Properties			PZT-41	PZT-42	PZT-43	PZT-82	PCrN-4	PBaS-4
Dielectric Constant	ɛ^T_r3		1050	1250	1420	1100	1600	1900

Coupling factor	K_P		0.58	0.58	0.58	0.52	0.6	0.59
	K₃₁		0.32	0.33	0.34	0.3	0.35	0.34
	K₃₃		0.66	0.67	0.68	0.57	0.68	0.68
	K_t		0.48	0.48	0.48	0.4	0.45	0.49
Piezoelectric coefficient	d31	10^-12m/v	-106	-124	-138	-100	-156	-160
	d33	10^-12m/v	260	280	300	240	350	380
	g31	10^-3vm/n	-11.4	-11.2	-11	-10.3	-11	-9.5
	g33	10^-3vm/n	28	25.3	24	25	24.7	22.6
Frequency coefficients	N_p		2280	2200	2160	2280	2100	2200
	N₁		1671	1613	1583	1671	1539	1613
	N₃		1950	1900	1875	1950	1850	1850
	N_t		2250	2200	2200	2300	2200	2200
Elastic compliance coefficient	S^e₁₁	10^-12m²/n	11.8	12.7	13.2	11.6	14	13.2
Machanical quality factor	Qm		1000	800	600	1200	400	2200

Dielectric loss factor	Tg δ	%	0.3	0.4	0.5	0.3	0.6	0.5
Density	ρ	g/cm³	7.5	7.5	7.5	7.6	7.5	7.5
Curie Temperature	Tc	°C	320	320	320	310	310	310
Young's modulus	Y^E₁₁	<10⁹N/m2	85	79	76	86	71	76
Poison Ratio			0.3	0.3	0.3	0.3	0.3	0.33

Product Categories : Piezoelectric Elements For Inkjet Piezo Transducer

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