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SeriesLangevin Ultrasonic Transducers 

Applicationsultrasonic cleaning,welding , ultrasonic scalper and ultrasonic atomization etc.

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Detail Introduction

Mainly used in the field of power ultrasonic and underwater acoustics, a sandwich piezoelectric transducer composed of metal blocks on both end faces of a piezoelectric ceramic disc is used.

Since the transducer of this structure was proposed by French physicist Lang Zhiwan, it is sometimes called the Langevin transducer.

The advantage of this transducer structure is that it utilizes both the longitudinal effect of the piezoelectric ceramic vibrator and the lower resonance frequency. On the other hand, due to the characteristics of the piezoelectric ceramic itself, that is, the tensile strength is poor, at high power. It is prone to cracking under working condition. Prestressing is applied to the piezoelectric ceramic disc by using metal blocks and pre-stressed bolts, so that the piezoelectric ceramic disc is always in a compressed state during intense vibration, thereby avoiding cracking of the piezoelectric ceramic sheet. .


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Type

Resonant Frequency

Resonant Resistance

Capacitance

Maximum electric power

Applications




PTC50K154TLL

49KHz-51.1KHz

35Ω

2750pF±10%

20W

Used in the portable equipment for collar cleaning.

 

 









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Type

Resonant Frequency

Resonant Resistance

Capacitance

Maximum electric power

Applications




PTC45K152BLG

44.1KHz-45.9KHz

100Ω

1375pF±10%

10W

Used in the portable

equipment for collar   cleaning.









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Type

Resonant Frequency

Resonant Resistance

Capacitance

Maximum electric power

Applications




PTC40K252LLG

39KHz-40.5KHz

45Ω

4900pF±10%

100W

Used in High-Power ultrasonic cleaning equipment.










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Zhejiang Jiakang Electronics Co., Ltd.
浙江嘉康电子股份有限公司

Tel:+86-573-82600913

Fax:+86-573-82600916

E-mail:sales@jkelec.com

Address:No.1188 Jiahang Road, Jiaxing City, Zhejiang Province, China