Piezo Ultrasonic Transducer for Comestic

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Detailed Product Description

Features

Compact size
High reliability
High energy conversion

Scope of applications

Beauty instrument

Dimensions

Piezo Ultrasonic Transducer for Comestic

Specification

Model	Dimensions	Electrical capacitance	Electromechanical coupling factor	Resonant Frequency	Equivalent Resistance
	D×t	@1KHz,1V	Kp	Fr	R₀
	[mm]	[nF] ±25%	[%]	[MHz] ±5%	[Ω]
HMYA28-2.04-1	Φ28×2.04	3	≥52	1	≤3.5Ω
HMYA28-1.02-1	Φ28×1.02	6	≥54	2	≤3.5Ω
HMYA25-0.41-1	Φ25×0.41	12.3	≥56	5	≤2.5Ω
HMYA20-0.41-1	Φ20×0.41	7.9	≥56	5	≤2.5Ω
HMYA20-0.67-1	Φ20×0.67	5.2	≥56	3	≤2.5Ω
HMYA16-0.41-1	Φ16×0.41	2.45	≥48	5	≤3.5Ω

* Customize on request.

Key Technical Index	Unit	Value
Relative dielectric constant ε_r3^T	-	3500±20%
Electromechanical coupling factor Kp	-	70%
Longitudinal piezoelectric strain coefficient d₃₃	10^-12C/N	≥650
Piezoelectric voltage constant g₃₃	10^-3Vm/N	17
Elastic flexible coefficient S₁₁^E	10^-12m²/N	14.3
Elastic flexible coefficient S₃₃^E	10^-12m²/N	18.5
Dielectric loss tgδ	10^-3	≤1.5
M quality factor Qm	-	45
Curie temperature T_C	℃	240
Density ρ	g/cm³	7.9

Contact Details

hanse-john electronic Co.,Ltd.

Contact Person: Mr. liuhongmao

Tel: 86-0510-13912395130

Fax: 86-510-88213035

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