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Double-sided 2.8khz External Drive Piezo Element with Leads

Quantity:
  • KD-27B2-28TEW50
  • KD
  • 27mm*0.38mm
  • 2.8±0.5kHz

Product Description

Thin 2-layer elements are the most versatile configuration. They may be used like single element, they can be used to bend, or they can be used to extend. “Benders” achieve large deflections relative to other piezo transducers. “Extenders”, being much stiffer, produce smaller deflections but higher forces.

A 2-layer element produces curvature when one layer expands while the other layer contracts. These transducers are often referred to as benders, bimorphs, or flexural elements.

■ Product Features:

1, Clear, ultra thin and light weight

2, No electromagnetic interference

3, Low voltage and low power consumption.

4, High reliability and higher spund pressure level.

■ Applications

Consumer electronics, home appliances, various office equipment such as PPCs, printers and keyboards, telephone ringers, micro atomizers, medical devices, security and gas detection systems.

 ■ Data Sheet

No.

Part Number

 KD-27B2-28TEW50

1

Resonant Frequency

2.8±0.5kHz

2

Resonant Impedance

100Ωmax.

3

Static Capacitance

130.0nF±20% at 100Hz

4

Allowable input Voltage

30Vp-p max.

5

Operating Temperature Range 

 -20℃~+70

6

Storage Temperature Range

 -30℃~+80

7

Plate Diameter

D=27.0±0.1mm

8

Ceramic Disc Diameter

d=25.0±0.3mm

9

Plate Thickness

 t=0.10±0.02mm

10

Total Thickness

T=0.38±0.10mm

11

Plate Material

Brass

12

Lead wire Specification

Φ0.45mm braiding wire

13

Lead wire Lengths

 L=50.0±5.0mm

 

■ Dimension Drawing

KD-27B2 dimension drawing


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   +8620-82981109
   SS2822239819 
   Silvia Shen
   No. 8th, Jingquan Yi Road, Yonghe Economic Zone, Huangpu, Guangzhou, China