bird PIEZO SYSTEMS, INC.
65 Tower Office Park    Woburn,    MA   01801   USA
Tel: 781-933-4850    Fax: 781-933-4743    email: sales@piezo.com

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explanation of PART NUMBERS for piezoelectric sheets and plates
The part number pertains to geometry and construction rather than mode of operation. For single sheets, the part number describes the part thickness, piezoceramic material, and size. Generally, single sheets are polarized through the thickness dimension.
EXPLANATION OF PART NUMBERS
Mounting
Style


Number of
Piezo
Layers
Thickness
Designation


Piezoceramic
Material


Reinforcement
Material
(Center Shim)
Size


Polar-
ization


Usage






T ... Transducer





1





05
07
10
20
40
80
-  A4E
-  H4E
-  A4NM



NA





-  073
-  173
-  273
-  373
-  573
-  602
NA





NA





PART NUMBER Example
T
1
07
-   A4E

-   602


This is a single layer piezoelectric transducer, made with PSI-5A4E piezoceramic (nickel electrodes). It is 2.85" long, 2.85" wide, and .0075" thick.
MOUNTING STYLES
T - Single sheets are considered transducer elements. They are generally used as construction stock and are not mounted or wired.
NUMBER OF PIEZOELECTRIC LAYERS
Thicker sheets increase the volume of piezoceramic. Greater volume produces greater energy output in roughly the same space.
1 - designates a single sheet.
THICKNESS
The third and fourth positions indicate the sheet thickness:
05 - .005" (.127mm)
07 - .0075" (.191mm)
10 - .0105" (.267mm)
20 - .020" (.508mm)
40 - .040" (1.02mm)
80 - .080" (2.03mm)
PIEZOCERAMIC MATERIAL
A4E
PSI-5A4E is an industry type 5A (Navy Type II) piezoceramic. Thin vacuum sputtered nickel electrodes produce extremely low current leakage and low magnetic permeability. 5A has a wide temperature range and is the most insensitive to temperature variations.




H4E
PSI-5H4E is an industry type 5H (Navy Type VI) piezoceramic. It has a high motion/volt and charge/newton rating, which is useful when voltage or force is limited. Thin vacuum sputtered nickel electrodes produce extremely low current leakage and low magnetic permeability. However, its temperature range is more limited and its properties are more sensitive to temperature.





A4NM
PSI-5A4E is an industry type 5A (Navy Type II) piezoceramic with non-magnetic (silver) electrodes. It has a wide temperature range and is most insensitive to temperature.
REINFORCEMENT MATERIAL
The shim reinforcement material is not applicable to single sheet elements.
STANDARD SIZE DESIGNATIONS
Sizes of circular piezoceramic single sheets and plates
STANDARD CIRCULAR SHEETS
Size
Designation
Diameter
Inches
(mm)
- 073
- 173
- 273
- 373
- 573
.125
.250
.500
1.25
2.50
(3.2)
(6.4)
(12.7)
(31.8)
(63.5)
Sizes of rectangular piezoceramic single sheets and plates
STANDARD RECTANGULAR SHEETS
Size
Designation
Length
Width
Inches
(mm)
Inches
(mm)
- 602
2.85
(72.4)
2.85
(72.4)
POLARIZATION (The twelfth position)
Single sheets are poled through their thickness.
USAGE
Usage is not applicable to single sheet elements.