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!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.

• 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.

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.

P37E.pdf

10.1.28

CONTENTS

Part Numbering

Application Matrix

Piezoelectric Diaphragms

External Drive Type

Self Drive Type

Piezoelectric Diaphragms Notice

PIEZORINGERr and "PIEZORINGER" in this catalog are

the trademarks of Murata Manufacturing Co., Ltd.

Piezoelectric Sounders External Drive Pin Type

Piezoelectric Sounders (External Drive Pin Type) Circuit/Notice

Piezoelectric Sounders External Drive Pin Type Taping

Piezoelectric Sounders (External Drive Pin Type Taping) Circuit/Notice

Piezoelectric Sounders External Drive Lead Wire Type

Piezoelectric Sounders (External Drive Lead Wire Type) Circuit/Notice

Piezoelectric Sounders External Drive SMD Type

Piezoelectric Sounders (External Drive SMD Type) Circuit/Notice

Piezoelectric Ringers (PIEZORINGERr)

Pin Type

Lead Wire Type

Piezoelectric Ringers (PIEZORINGERr) Notice

Piezoelectric Sounders Self Drive Pin Type

Piezoelectric Sounders (Self Drive) Notice

Piezoelectric Buzzers

Pin Type

Lead Wire Type

Piezoelectric Buzzers Notice

Piezoelectric Sound Components Notice

Package

!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.

P37E.pdf

10.1.28

Part Numbering

Piezoelectric Diaphragms

(Part Number)

qProduct

Product ID

wMaterial

Code

eProduct

Code

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

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

With Feedback Electrode

Without Feedback Electrode

Ceramic Material

-1R5

-31R2

-1R5

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.

tForm

of Piezoelectric Style

Code

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.

!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.

P37E.pdf

10.1.28

Piezoelectric Sounders/Piezoelectric Buzzers/Piezoelectric Ringers (PIEZORINGERr)

(Part Number)

qProduct

Product ID

wProduct

Code

eOuter

Dimensions

Expressed by two figures in mm.

Ex.)

Code

rDrive

Code

tOuter

Electrode Style

Code

yStructure

Code

Structure

Standing Type

Flat Type Auto-assemble

Flat Type/Available for Taping

Flat Type/Semi-auto-assemble

Exclude above mentioned

Outer Electrode Style

Pin Type

Lead Wire Type

Drive

External-Drive

Self-Drive

Packaging

Code

-B0

-A0

-M0

Packaging

Bulk

Radial Taping

Magazine

Outer Dimensions

ø12.6mm

oSpecial

Quality Guarantee

Code

Special Quality Guarantee

Post Plated Terminal

Blank

Product

Sounder, Ringer

Buzzer

iIndividual

Specification Code

Code

Individual Specification Code

Two digits express custom specification in

characteristics.

Piezoelectric Sound Components

-A0

uOscillating

Frequency Type

Code

Oscillating Frequency Type

Expressed resonant frequency by two-digit

alphanumerics. The unit is in 100 hertz (Hz).

In case of 4kHz (4000Hz), expressed as "40".

e r t

Radial taping or magazines are not available for all types.

Please contact us.

Packaging Code is blank in the case of types for which radial taping or

magazines are not available.

means specification of outer electrode.

SMD Piezoelectric Sounder

(Part Number)

qProduct

Product ID

wProduct

Code

LCS

eDimensions

Code

1212

rDrive

Code

Drive

External Drive

Outer Dimensions

p12mm

uPackaging

Code

-R1

Packaging

Plastic taping

Product

SMD Sounder

yIndividual

Specification Code

Code

Individual Specification Code

Two digits express specific specification

in characteristics.

Piezoelectric Sound Components

PK LCS 1212 E 40 01 -R1

r t

tOscillating

Frequency Type

Code

Oscillating Frequency Type

Expressed resonant frequency by two-digit

alphanumerics. The unit is in 100 hertz (Hz).

In case of 4kHz (4000Hz), expressed as "40".