PKM22EPPH4012-B0 Murata, PKM22EPPH4012-B0 Datasheet - Page 31

• Manufacturer Part Number: PKM22EPPH4012-B0
• Description: Audio Indicators & Alerts 4KHz External Drive Pin Type
• Manufacturer: Murata

Specifications of PKM22EPPH4012-B0

• Technology: Piezoelectric
• Sound Pressure Level: 85 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. Resistors should not be connected in series to the power
3. Please pay enough attention not to pull lead wire too
Notice (Soldering and Mounting)
(1) Soldering Iron
(2) Reflow
Notice (Handling)
over this specification is applied.
supply as this will produce irregular oscillation. When
resistor is necessary to control sound volume, use
capacitor (1 F) parallel with the buzzer together.
much because wire may be broken or soldering point may
come off.
• 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.
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
Because it is not sealed.
obstacle as this will produce irregular
oscillation.
top of the component as this will produce
irregular oscillation.
Piezoelectric Buzzers Notice
+Vdc
Buzzer
Capacitor
(1 F)
29
P37E.pdf
10.1.28
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