PKM22EPPH4005-B0 Murata, PKM22EPPH4005-B0 Datasheet - Page 29

• Manufacturer Part Number: PKM22EPPH4005-B0
• Description: Audio Indicators & Alerts PIEZOELECTRIC SOUNDERS
• Manufacturer: Murata

Specifications of PKM22EPPH4005-B0

• Technology: Piezoelectric
• Sound Pressure Level: 75 dB
• Tone: Sounder, Ringer
• Voltage Rating: 25 V
• Resonant Frequency: 4000 Hz
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

!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. Notice (Soldering and Mounting)
1. The component may be damaged if mechanical stress
2. Take care to protect operating circuit from surge
3. If DC voltage is applied to the component, silver
Notice (Soldering and Mounting)
(1) Soldering Iron
(2) Reflow
Notice (Handling)
exceeding specifications is applied.
voltage resulting from excessive force, falling,
shock or temperature change.
migration may occur. Please pay full attention to
avoid subjecting the component to DC voltage for
long periods.
• 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.
(a) Lead terminals are immersed up to 1.5mm from
(b) Lead terminal is directly contacted with the
The component cannot withstand reflow soldering.
components body in soldering bath of +260+/-5
degrees C for 10+/-1.0 seconds, and then
components shall be left in natural condition
for 4 hours.
tip of soldering iron of +350+/-0.5 seconds, and
then components shall be left in natural
condition for 4 hours.
Piezoelectric Sounders (Self Drive) Notice
2. Washing of the component is not acceptable.
3. Please do not cover the hole with tape or other
4. There should not be any obstacle within 15mm from
4. The standard self-driven circuits utilizes
Because it is not sealed.
obstacle as this will produce irregular
oscillation.
top of the component as this will produce
irregular oscillation.
transistor switching. Since the circuit constants
for hfe of the transistor are optimally chosen to
maintain stable oscillation, please design a circuit
following the standard.
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P37E.pdf
10.1.28
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