PKM22EPPH4012-B0 Murata, PKM22EPPH4012-B0 Datasheet - Page 27

• 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)
2. Washing of the component is not acceptable.
1. The component may be damaged if mechanical stress
2. Take care to protect operating circuit from surge voltage
3. If DC voltage is applied to the component, silver migration
4. The resistor should be used as shown in Fig. A.
5. Avoid excessive pulling of lead wire because wire may
Notice (Soldering and Mounting)
(1) Soldering Iron
(2) Reflow
Because it is not sealed.
Notice (Handling)
exceeding specifications is applied.
resulting from excessive force, falling, shock or
temperature change.
may occur. Please pay full attention to avoid subjecting
the component to DC voltage for long periods.
A suitable resistance value should be chosen, preferably
1k to 2k . Instead of this measure, a diode may also be
applied as shown in Fig. B.
break 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.
Piezoelectric Ringers (PIEZORINGERr) Notice
IC
Fig. A
IC
Fig. B
R
25
P37E.pdf
10.1.28
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