• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
sales representatives or product engineers before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
P37E.pdf
10.1.28
Piezoelectric Sound
Components
Cat.No.P37E-23
!Note
• This PDF catalog is downloaded and
!CAUTION
(for storage, operating, rating,ltd. Therefore, it’s specifications are subject to change or oursmoking and/or burning, etc.
!Note
• Please read rating from the website of Murata Manufacturing co., soldering, mounting and handling) in this catalog to prevent products in it may be discontinued without advance notice. Please check with our
sales representatives or product engineersspecifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
• This catalog has only typical before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
P37E.pdf
10.1.28
for EU RoHS Compliant
•
•
•
All the products in this catalog comply with EU RoHS.
EU RoHS is "the European Directive 2002/95/EC on the Restriction of the Use
of Certain Hazardous Substances in Electrical and Electronic Equipment".
For more details, please refer to our website 'Murata's Approach for EU RoHS'
(http://www.murata.com/info/rohs.html).
!Note
• This PDF catalog is downloadedand
!CAUTION
(forMurata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
!Note
• Please read rating from the website of storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
sales representatives or product engineers before ordering.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
P37E.pdf
10.1.28
CONTENTS
Part Numbering
Application Matrix
1
Piezoelectric Diaphragms
External Drive Type
Self Drive Type
Piezoelectric Diaphragms Notice
1
PIEZORINGERr and "PIEZORINGER" in this catalog are
(forMurata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
!Note
• Please read rating from the website of storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
sales representatives or product engineers before ordering.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
P37E.pdf
10.1.28
o
Part Numbering
Piezoelectric Diaphragms
(Part Number)
qProduct
ID
Product ID
7
wMaterial
Code
B
N
S
eProduct
Code
B
rMetal
Plate Diameter
Code
-31R2
Metal Plate Diameter
A hyphen (-) plus four digits alphanumerics
express metal plate outer dimensions. A
decimal point is expressed by the capital
letter "R".
Product
Piezoelectric Diaphragms
iProduct
Specification
Code
L
e
oIndividual
Specification Code
Code
Individual Specification Code
These digits express a lead length, lead
number, and presence/absence of a
connector.
Product Specification
With lead (available for RoHS)
No lead (omitted)
Metal Plate Material
Brass
Nickel Alloy
SUS
uWith
Feedback Electrode
Code
C
e
With Feedback Electrode
With Feedback Electrode
Without Feedback Electrode
Ceramic Material
-1R5
7
N
B
-31R2
r
DM
t
-1R5
y
L
10
yResonant
Frequency Type
Code
Resonant Frequency (kHz)
A hyphen (-) and three digits alphanumerics
express resonant frequency. A decimal point
is expressed by the capital letter "R".
q w e
u i o
If there is no decimal point, the decimal point is omitted.
If there is no decimal point, the decimal point code is omitted.
10
tForm
of Piezoelectric Style
Code
DM
Form of Piezoelectric Style
Two digits express shape of ceramics.
If the product has no individual specification, the corresponding code
is omitted.
For an Ag electrode, this digit remains blank, the corresponding code
is omitted.
2
!Note
• This PDF catalog is downloadedand
!CAUTION
(forMurata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
!Note
• Please read rating from the website of storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
sales representatives or product engineers before ordering.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
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