PS1927P02 TDK Corporation, PS1927P02 Datasheet - Page 8

• Manufacturer Part Number: PS1927P02
• Description: Audio Indicators & Alerts Round 19mmx10.5mm 2.7kHz Vin=10V
• Manufacturer: TDK Corporation
• Series: PSr

Specifications of PS1927P02

• Resonant Frequency: 2.7 KHz
• Sound Pressure Level: 70 dB
• Voltage Rating: 3 V
• Termination Style: Lead Terminal
• Diameter: 19 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PRECAUTIONS FOR USE
• Do not apply DC bias to the piezoelectric buzzer; otherwise
• Do not supply any voltage higher than applicable to the piezo-
• Do not use the piezoelectric buzzer outdoors. It is designed for
• Do not wash the piezoelectric buzzer with solvent or allow gas to
• A piezoelectric ceramic material of approximately 100µm thick is
• Do not apply any mechanical force to the piezoelectric buzzer;
• Do not place any shielding material or the like just in front of the
• Be sure to solder the buzzer terminal at 350°C max.(80W
• Avoid using the piezoelectric buzzer for a long time where any
• Be careful not to drop the piezoelectric buzzer.
• All specifications are subject to change without notice.
insulation resistance may become low and affect the
performance.
electric buzzer.
indoor use. If the piezoelectric buzzer has to be used outdoors,
provide it with waterproofing measures; it will not operate
normally if subjected to moisture.
enter it while washing; any solvent that enters it may stay inside
a long time and damage it.
used in the sound generator of the buzzer. Do not press the
sound generator through the sound release hole otherwise the
ceramic material may break. Do not stack the piezoelectric
buzzers without packing.
otherwise the case may deform and result in improper operation.
sound release hole of the buzzer; otherwise the sound pressure
may vary and result in unstable buzzer operation. Make sure that
the buzzer is not affected by a standing wave or the like.
max.)(soldering iron trip) within 5 seconds using a solder
containg silver.
corrosive gas (H
generator may corroded and result in improper operation.
2
S, etc.) exists; otherwise the parts or sound
RECOMMENDED OPERATING CIRCUIT EXAMPLE
∗
C-MOS, etc
Resistor to do charging and discharging to a piezoelectric element
( Value of about 1kΩ is good efficiency ) .
R
GND
Tr
( Equivalent to
C1815 )
Piezoelectric
buzzer
VCC
007-01 / 20100902 / ef532_ps.fm
(7/7)