PKM44EWH1001C Murata, PKM44EWH1001C Datasheet - Page 32

• Manufacturer Part Number: PKM44EWH1001C
• Description: Audio Indicators & Alerts 44mm 1kHz LEAD FREE
• Manufacturer: Murata
• Series: PKBr

Specifications of PKM44EWH1001C

• Technology: Piezoelectric
• Sound Pressure Level: 75 dB
• Voltage Rating: 30 V
• Dimensions: 24.3 mm L
• Diameter: 44 mm
• Resonant Frequency: 1000 KHz
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

8
!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
• 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.
sales representatives or product engineers before ordering.
!Note
1. Product Storage Condition
2. Expiration Date on Storage
3. Notice on Product Storage
30
Piezoelectric Sound Components Notice
(1) Please do not store the products in a chemical
Please store the products in room where the
temperature/humidity is stable. And avoid
such places where there are large temperature
changes. Please store the products under the
following conditions:
Expire date (Shelf life) of the products is six
months after delivery under the conditions of a
sealed and an unopened package. Please use the
products within six months after delivery. If you
store the products for a long time (more than six
months), use carefully because the products may
Notice (Storage and Operating Condition)
be degraded in solderability due to storage under
poor conditions.
Please confirm solderability and characteristics
for the products regularly.
Temperature: -10 to + 40 degree C
Humidity: 15 to 85% R.H.
atmosphere (Acids, Alkali, Bases, Organic gas,
Sulfides and so on), because the characteristics
may be reduced in quality, may be degraded in
solderability due to the storage in a chemical
atmosphere.
• Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• 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.
4. Others
(2) Please do not put the products directly on the
(3) Please do not store the products in the places
(4) Please use the products immediately after the
(5) Please do not drop the products to avoid cracking
Please be sure to consult with our sales
representative or engineer whenever the products
are to be used in conditions not listed above.
floor without anything under them to avoid damp
places and/or dusty places.
such as: in a damp heated place, in any place
exposed to direct sunlight or excessive
vibration.
package is opened, because the characteristics
may be reduced in quality, and/or be degraded in
the solderability due to storage under the poor
condition.
of ceramic element.
P37E.pdf
10.1.28