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Product Detailed Parameters
- Description:BUZZER PIEZO 2.5V 9X9MM W SMD
- Series:PK
- Mfr:Murata Electronics
- Package:Tape & Reel (TR),Cut Tape (CT)
- Driver Circuitry:Transducer, Externally Driven
- Input Type:Zero-Peak Signal
- Frequency:4.8kHz
- Technology:Piezo
- Operating Mode:-
- Duration:-
- Sound Pressure Level (SPL):72dB @ 2.5V, 10cm
- Current - Supply:-
- Port Location:Top
- Operating Temperature:-40°C ~ 85°C
- Approval Agency:-
- Ratings:-
- Ingress Protection:-
- Mounting Type:Surface Mount
- Termination:Solder Pads
- Height - Seated (Max):0.126" (3.20mm)
- Voltage - Rated:2.5 V
- Voltage Range:12.5V (Max)
- Size / Dimension:0.354" L x 0.354" W (9.00mm x 9.00mm)
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Overview
The PKMCS0909E48H0-R1 is a piezoelectric buzzer manufactured by Murata Electronics, designed for surface-mount applications. It operates at a resonant frequency of 4.8 kHz with a typical sound pressure level of 75 dB and a minimum of 72 dB. The device features an external drive mechanism and is rated for a maximum voltage of 25 V. Its compact dimensions are 9 mm in length, 9 mm in width, and 1.9 mm in height. The component utilizes a single-tone configuration suitable for audio indication.
Feature Summary
- External drive piezoelectric construction
- Surface-mount package design
- Single-tone audio output
Applications
- Audio indicators
- Alerts
- Alarm systems
Procurement Notes
Verify the specific suffix against official documentation to confirm the 4.8 kHz frequency rating. Ensure that the selected variant matches the required sound pressure specifications for the target application environment. Confirm compliance with relevant environmental standards prior to integration.
Selection Notes
Select this component based on the requirement for a 4.8 kHz operating frequency and external drive capability. Consider the physical dimensions and surface-mount form factor when designing the PCB layout. Evaluate the sound pressure requirements to ensure adequate audibility for the intended use case.
Part Context
This part belongs to the PKMCS series of piezoelectric buzzers from Murata Electronics. The series offers various frequencies and sound pressure levels within a standardized 9x9 mm footprint. This specific model provides a higher frequency option compared to other variants in the same package size.
Replacement Considerations
Consult official Murata documentation for direct substitutes within the PKMCS series. Verify compatibility regarding frequency, sound pressure, and voltage ratings before considering alternative part numbers.
FAQ
What is the operating frequency of this buzzer?
The operating frequency is 4.8 kHz.
Is this buzzer internally driven?
No, it requires an external drive signal.
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