These digits express a lead length, lead
10
number, and presence/absence of a
connector.
If the product has no individual specification, the corresponding code is omitted.
CONTENTS
1
PIEZORINGERr and "PIEZORINGER" in this catalog are
the trademarks of Murata Manufactuபைடு நூலகம்ing Co., Ltd.
Part Numbering Application Matrix 1 Piezoelectric Diaphragms
External Drive Type Self Drive Type
Piezoelectric Diaphragms Notice
2 Piezoelectric Sounders External Drive Pin Type 3 Piezoelectric Sounders External Drive Pin Type Taping 4 Piezoelectric Sounders External Drive Lead Wire Type 5 Piezoelectric Sounders External Drive SMD Type
iProduct Specification Code L e
Product Specification With lead (available for RoHS)
No lead (omitted)
oIndividual Specification Code
Code
Individual Specification Code
tForm of Piezoelectric Style
Code
Form of Piezoelectric Style
DM
Two digits express shape of ceramics.
For an Ag electrode, this digit remains blank, the corresponding code is omitted.
-31R2
express metal plate outer dimensions. A decimal point is expressed by the capital
letter "R".
If there is no decimal point, the decimal point code is omitted.
7 Piezoelectric Sounders Self Drive Pin Type
Piezoelectric Sounders (Self Drive) Notice
8 Piezoelectric Buzzers Pin Type Lead Wire Type
Piezoelectric Buzzers Notice
Piezoelectric Sounders (External Drive) Circuit/Notice
6 Piezoelectric Ringers (PIEZORINGERr) Pin Type Lead Wire Type
Piezoelectric Ringers (PIEZORINGERr) Notice
If there is no decimal point, the decimal point is omitted.
uWith Feedback Electrode
Code C e
With Feedback Electrode With Feedback Electrode Without Feedback Electrode
P37E.pdf
06.12.28 • 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.
Piezoelectric Sound Components Notice Package
2
4
2
5
5
6
3
7
8
13
15
4
17
19
20
5
20
20
22
6
23
24
25
25
7
25
26
27
8
28
• The RoHS compliance means that we judge from EU Directive 2002/95/EC the products do not contain lead, cadmium, mercury, hexavalent chromium, PBB and PBDE, except exemptions stated in EU Directive 2002/95/EC annex and impurities existing in natural world.
Recycled Paper
P37E.pdf !Note • Th!is PNDoFteca•taPlolegasisedroewadnlroaatdinegdafnrodm!thCeAwUeTbIOsiNte(ofof rMsutoraratageM, aonpuefraactitnugri,nrgatcinog.,,ltsdo.ldTehreinregf,omreo,uint’tsinsgpaencdifichaatniodnlisnga)reinstuhbisjeccatttaolocghatongpereovreonut rsmprookdiuncgtsanind/iot rmbauyrnbiengd,isectco.ntinued without advance notice. Please check with our sales repres•eTnthaistivceastaolor gprhoadsucotnelyntgyipniecearlsspbeecfoifriceaotirodnesribnegc. ause there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. 06.12.28 • 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.
o Part Numbering
Piezoelectric Diaphragms
(Part Number)
qProduct ID Product ID 7
7 N B -31R2 DM -1R5
L 10
qwe r t y u i o
Ceramic Material
wMaterial Code B N S
• This statement does not insure the compliance of any of the listed parts with any laws or legal imperatives developed by any EU members individually with regards to the RoHS Directive.
!Note • 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.
Metal Plate Material Brass
Nickel Alloy SUS
eProduct Code B
Product Piezoelectric Diaphragms
rMetal Plate Diameter
Code
Metal Plate Diameter
A hyphen (-) plus four digits alphanumerics
Piezoelectric Sound Components
Cat.No.P37E-21
Murata Manufacturing Co., Ltd.