PKM22EPPH4012-B0 Murata, PKM22EPPH4012-B0 Datasheet - Page 21

Audio Indicators & Alerts 4KHz External Drive Pin Type

PKM22EPPH4012-B0

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

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

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PKM22EPPH4012-B0
Manufacturer:
BEIET
Quantity:
1 978
Company:
Part Number:
PKM22EPPH4012-B0
Quantity:
750
!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
Washing of the component is not acceptable, because
it is not sealed.
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
The following are examples of externally driven circuits.
(1) Unstable multi-vibrator using Tr.
(2) Circuits using inverters or NAND gates.
(1)
510
Circuit
Notice (Soldering and Mounting)
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.
20k
0.01 F
0.01 F
20k
510
Piezoelectric Sounders (External Drive Lead Wire Type) Circuit/Notice
1k
1k
+V
Input
(2)
1M
120k
0.001 F
1k
1k
+V
IC
Fig. A
IC
Fig. B
R
19
P37E.pdf
10.1.28
4

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